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Roller Bearings（Precision (JIS)：Class 0）
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One End Cone Type Tapered Roller Bearings
NSK
Designed so the conical vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing. Products on this page: HR model
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 380 35 ～ 520 Cylindrical Roller / Cone Roller Radial 11.75 ～ 150 With Outer Ring Single Row / Double Row Steel Standard Flat / With V-Shaped Groove Class 0 Steel Metric System From: 127,170 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more 
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NSK
This bearing includes an outer ring with a spherical raceway as well as an inner ring with two rows of rolling elements, and aligns itself according to the axial tilt, allowing it to bear large loads. Products on this page: 600 series
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 20 ～ 300 52 ～ 500 Self-Aligning Roller Radial 15 ～ 160 With Outer Ring Double Row Steel / Stainless Steel Standard With V-Shaped Groove / With U-Shaped Groove Class 0 Steel / Stainless Steel Metric System From: 814,419 VND Days to Ship: Số ngày giao hàng: Same day or more
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NSK
Cylindrical roller bearings are suitable for applications involving high-speed rotation because the friction between the rolling elements and the flange of the track wheel is small. Products on this page: N type
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 ～ 340 32 ～ 520 Cylindrical Roller / Cone Roller Radial 12 ～ 122 With Outer Ring Single Row / Double Row Steel Standard Flat / With Retaining Ring Grooves Class 0 Steel Metric System From: 403,435 VND Days to Ship: Số ngày giao hàng: Same day or more
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Thrust Roller Bearing(Φ10～Φ160)
NTN
A roller bearing with thrust cage into which needle rollers are radially incorporated into the cage.Products on this page: AXK type, AS type, GS type and WS type
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 ～ 160 24 ～ 200 Needle Roller Thrust 2 ～ 5 W/o Outer Ring Single Row Steel Standard - Class 0 Steel Metric System From: 25,429 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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Solid Type Needle Roller Bearing
NTN
A solid needle roller bearing.[Features]·The solid (machined) outer race enables high rigidity.·The bearing accuracy can also be increased, making it ideal for applications that require high speed, high load, and high rotational accuracy.·In addition to the type with inner race, the type without inner race is also available in which the shaft can be used directly as a raceway instead of inner race.[Application]・ Heavy load, high speed, gearbox for automobiles, etc.・ Steel equipment, mining / construction machinery, machine tools.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 5 ～ 330 10 ～ 380 Needle Roller Radial 8 ～ 100 With Outer Ring Single Row / Double Row Steel Standard Flat Class 0 Steel Metric System / Inch System From: 122,170 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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MISUMI
It consists of 1 thrust retainer and 2 washers, and can receive axial loads.
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Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 4 ～ 30 14 ～ 47 Needle Roller Thrust 2 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 83,617 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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Shell-Style Needle Roller Bearing
NSK
This shell-style needle roller bearing includes a needle roller and retainer installed following formation of an outer ring from a thin steel plate via precision drawing and surface curing of the corresponding raceway. Products on this page: F model
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 8 ～ 45 12 ～ 55 Needle Roller Radial 10 ～ 20 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System / Inch System From: 131,801 VND Days to Ship: Số ngày giao hàng: Same day or more
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Cylindrical Roller Bearing (Single Row)
NACHI(FUJIKOSHI)
[Features]· Designed to carry large radial load· High speed rotation performance· Little friction between rollers and raceways[Applications]· Machine tool spindles, electric motors, reduction gears, axle for railway vehicles
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 100 52 ～ 190 Cylindrical Roller - 15 ～ 43 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 431,209 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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MISUMI
Bearings are on both ends of the clutch to support radial loads.
- Volume Discount
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 6 ～ 35 - One-Way Clutch Radial - - - - Standard - Class 0 - - From: 352,810 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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Single Row Tapered Roller Bearing (Steel)
JTEKT KOYO
Designed so the tapered vertex of the raceway surfaces of the cone (inner ring) and cup (outer ring) and rollers converge at one point on the centerline of the bearing. Suitable for heavy load and impact load applications.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 300 40 ～ 480 Cone Roller Radial 13.25 ～ 137 - Single Row Steel Standard Flat Class 0 Steel Metric System From: 179,806 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Cylindrical Roller Bearing (Radial)
NTN
A bearing with a simple shape in which cylindrical rollers and a raceway are in linear contact.[Features]·Large load capacity primarily for receiving radial loads.·The friction between the rolling elements and the flange of bearing ring is small making it ideal for high-speed rotation.·Various options can be selected according to applications, such as flange on both inner and outer races, no flange, separable type, and axial load bearable.[Application]·For machine tools, motors, pumps, etc.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 20 ～ 280 47 ～ 420 Cylindrical Roller Radial 12 ～ 120 - Single Row Steel Standard - Class 0 Steel - From: 388,340 VND Days to Ship: Số ngày giao hàng: Same day or more
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SL Type Cylindrical Roller Bearing
NTN
Designed as a thin wall type, the SL Model double-row cylindrical roller bearing supports enormous radial and impact loads. Therefore, it is ideal for use in parts subject to medium low-speed large loads. This bearing has various uses, such as in construction machinery, vehicles, steel machinery and lifting equipment, etc.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 40 ～ 190 68 ～ 240 Cylindrical Roller Radial 22 ～ 95 With Outer Ring Single Row Steel Standard Flat / With Retaining Ring Grooves Class 0 Steel Metric System From: 1,808,608 VND Days to Ship: Số ngày giao hàng: Same day or more
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NTN
A basic component of needle roller bearing, in which needle rollers are assembled with retainer to prevent separation.[Features]·A shaft or housing can be used directly as a raceway without an inner race or outer race, realizing the compact and lightweight design.·The retainer allows needle rollers to be guided more accurately than full complement rollers, enabling high-speed rotation.·Rigidity and load capacity are large for the space.[Application]·Ideal for heavy duty, high speeds, automobile gearboxes, etc.·Ideal for steel equipment, mining/construction machinery, and machine tools.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 3 ～ 165 6 ～ 173 Needle Roller Radial 7 ～ 35 W/o Outer Ring Single Row / Double Row Steel Standard - Class 0 Steel Metric System From: 51,840 VND Days to Ship: Số ngày giao hàng: Same day or more
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Combined Needle Roller Bearing NKIB
INA
Radial needle roller bearing with thrust bearing
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 70 28 ～ 100 Complex Shape Roller Radial / Thrust 20 ～ 45 With Outer Ring Single Row Steel Standard With Semicircular Groove Class 0 Steel Metric System From: 889,031 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Single Row Cylindrical Roller Bearing
JTEKT KOYO
These types of bearings feature high radial load capacity as the rollers and raceway are in linear contact. Equally suitable for heavy radial and impact loading. Having a separable inner or outer ring, these bearings can be easily mounted and dismounted.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 20 ～ 200 47 ～ 360 Cylindrical Roller Radial 14 ～ 68 - Single Row Steel Standard Flat Class 0 Steel Metric System From: 443,545 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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NSK
[Features]·The drawn cup roller clutch is a very compact one-way clutch with a unique drawn cup outer ring structure.·It is lightweight and has a large torque capacity for a small section height.·Accurate operation and low friction torque during overrunning.·Installation is as easy as drawn cup needle bearings.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 4 ～ 30 8 ～ 37 Cylindrical Roller / One-Way Clutch Radial 6 ～ 30 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 120,785 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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IKO
[Features]·Specifications: for standard / high speed. ·Allowable rotational speed is compatible with oil lubrication. With grease lubrication, up to 25% of the allowable rotational speed is allowed.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 ～ 100 24 ～ 135 Needle Roller Radial / Thrust 2 ～ 4 With Outer Ring - - Standard / For High Speed - Class 0 - Metric System From: 149,283 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
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Thrust Self-Aligning Roller Bearings
JTEKT KOYO
Designed to carry large axial load and can support a certain amount of radial load while carrying an axial load. However, these bearings are not suitable for high-speed rotation.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 120 ～ 320 240 ～ 440 Self-Aligning Roller Thrust 48 ～ 115 - Single Row Steel Standard Flat Class 0 Steel Metric System From: 21,073,506 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
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INA
Can transmit torque in only one direction, with high lock accuracy[Features]· This one-way clutch comprises a thin‑walled, drawn outer ring with a series of ramps on the inside diameter, plastic cages, pressure springs and needle rollers.· Can transmit torque in only one direction.· The height of the radial direction cross-section is particularly low.· High lock accuracy.· The individual spring loading of the needle rollers ensures continuous contact between the shaft, needle rollers and ramps.· High lock speed.· This is due to the small mass of the locking parts and the resulting low moment of inertia.· Low free-wheeling frictional torque.· Lubricated using a lithium soap grease (DIN 51825-K2 E-25).· Easy to install.· The outer ring is press-fitted into the hole of the housing.· It is not necessary to fix the direction of the shaft.· Can be combined with drawn cup needle roller bearings from the HK and BK series.· The height of the radial cross-section is the same.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 6 ～ 35 10 ～ 42 One-Way Clutch Radial 12 ～ 20 - - - Standard - Class 0 - - From: 165,079 VND Days to Ship: Số ngày giao hàng: Same day or more
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Bearing-Integrated Shell Type One-Way Clutch HFL
INA
Can transmit torque in only one direction, with high lock accuracy
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 6 ～ 35 10 ～ 42 One-Way Clutch Radial 15 ～ 30 - - - Standard - Class 0 - - From: 319,583 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Self-Aligning Roller Bearing (0 Grade)
JTEKT KOYO
Self-aligning roller bearings feature a large load rating capacity. Suitable for low and medium speed applications which involve heavy and impact loading.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 480 52 ～ 700 Self-Aligning Roller Radial 18 ～ 208 - Double Row Steel Standard Flat Class 0 Steel Metric System From: 1,495,531 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Thrust Needle Roller Bearing with Outer Ring
NSK
A cage that has two pieces joined together, to which surface hardening is applied after the precision press processing of a steel plate, and in which high accuracy rollers are incorporated. Many rollers are retained securely in the cage, taking large axial load, and yet rotating smoothly. Mounting space is so small that it is easy to replace a conventional sliding thrust washer.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 ～ 45 24 ～ 65 Cylindrical Roller Radial 2 ～ 4 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 57,225 VND Days to Ship: Số ngày giao hàng: Same day or more
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Self-Aligning Thrust Roller Bearing
NTN
The roller bearing has a self-aligning property and uses barrel-shaped rollers as rolling elements.[Features]·The spherical bearing raceway of the housing race disc and the center shaft of the bearing share the same center point.·Has a large load capacity for axial load.·While being under an axial load, a certain level of radial load can also be applied.·The retainer is a machined copper alloy retainer and has a guiding sleeve attached on the inner race, which guides the retainer.·Lubrication is necessary even for rotation at a low speed.[Application]·Ideal for areas subject to large axial loads, machine tools, construction machinery, etc.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 60 ～ 380 130 ～ 520 Self-Aligning Roller Thrust 39 ～ 115 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 5,722,500 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Combined Needle Roller Bearing
JTEKT KOYO
Bearing that integrates a radial bearing (needle roller bearing) with a thrust bearing (ball bearing or roller bearing).
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 21 Complex Shape Roller Radial / Thrust 23 - Double Row Steel Standard Flat Class 0 Steel Metric System From: 656,256 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Needle Roller Bearings with Thrust Ball Bearings - With Inner Ring
MISUMI
The dust-proof cover is provided on the thrust bearing side to prevent intrusion of dirt and lubricant leakage.
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Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 7 ～ 50 19 ～ 72 Complex Shape Roller Radial / Thrust 16 ～ 25 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 693,260 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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INA
Can support axial load in one direction only
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 4 ～ 70 14 ～ 95 Needle Roller Thrust 1 ～ 2 W/o Outer Ring Single Row - Standard / Related Part - Class 0 - Metric System From: 27,500 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Needle Roller Bearings with Thrust Roller Bearings - With Inner Ring
MISUMI
[Features]·The dust-proof cover is provided on the thrust bearing side to prevent intrusion of dirt and lubricant leakage. ·Since it can receive both radial load and axial load at the same time, compact design is possible as a fixed side bearing part.
- Volume Discount
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 ～ 45 24 ～ 62 Complex Shape Roller Radial / Thrust 16 ～ 25 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 1,301,390 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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Solid Type Needle Roller Bearing NK / RNA
JTEKT KOYO
The thick outer ring provides maximum load capacity and shock resistance with a relatively small radial cross section.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 ～ 80 19 ～ 95 Needle Roller Radial 13 ～ 30 - Single Row Steel Standard Flat Class 0 Steel Metric System From: 221,115 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
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Shell Type Needle-Shaped Roller Bearings, HK Series
JTEKT KOYO
Designed to support radial load and reduce friction during rotation. Uses a pressed steel plate outer ring, and exhibits a high load carrying capacity in installation spaces with a small cross-sectional area.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 4 ～ 25 8 ～ 32 Needle Roller Radial 8 ～ 20 - Single Row Steel Standard Flat Class 0 Steel Metric System From: 80,933 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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NACHI(FUJIKOSHI)
[Features]· Can be used in combination to withstand combined radial and axial load, and can also be used as a double row type.[Applications] Automotive transmission / automotive final reduction gear / vehicle wheels / axle for railway vehicles / other general use
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 95 ～ 120 200 ～ 260 Cone Roller - 45 ～ 55 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 3,900,162 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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INA
Space saving design without inner ring and with a low cross-sectional height
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 20 28 Needle Roller Radial 23 With Outer Ring Single Row Steel Standard With Semicircular Groove Class 0 Steel Metric System From: 354,848 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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NSK
The solid type needle roller bearing is a type of bearing that includes needle rollers and a retainer embedded in its outer ring. Products on this page: LM, NA, RL and RN models
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 17 Needle Roller Radial 10 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 228,543 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Combined Needle Roller Bearing NKX
INA
Radial needle roller bearing with thrust bearing
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 30 24 ～ 42 Complex Shape Roller Radial / Thrust 23 ～ 30 With Outer Ring Single Row Steel Standard / Dust Resistant With Semicircular Groove Class 0 Steel Metric System From: 617,111 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Shell Type Needle Roller Bearing HK
INA
Open-ended thin space-saving design
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 4 ～ 16 8 ～ 22 Needle Roller Radial 8 ～ 12 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 79,065 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Needle Roller Bearing with Thrust Roller Bearing (No inner ring / open type / with cover)
MISUMI
■Features: It can be used to support low-speed rotating bodies with a large dynamic load rating that supports radial loads.Since the one with a cover is equipped with a dust-proof cover to prevent dust from entering and lubricant from leaking.
- Volume Discount
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards - - Complex Shape Roller Radial - - - Stainless Steel Standard - Class 0 - - From: 1,552,330 VND Days to Ship: Số ngày giao hàng: 5 Day(s) or more
5 Day(s) or more
-
You can add up to 6 items per a category to the compare list.
Combined Needle Roller Bearing NKXR
INA
Radial needle roller bearing with thrust bearing
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 17 ～ 25 26 ～ 37 Complex Shape Roller Radial / Thrust 25 ～ 30 With Outer Ring Single Row Steel Standard / Dust Resistant With Semicircular Groove Class 0 Steel Metric System From: 974,779 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
| BrandNhãn hiệu |
|---|
| Product SeriesDòng sản phẩm |
| CADCAD |
| From |
| Days to ShipSố ngày giao hàng |
| Inner Dia. d(Ø) |
| Outer Dia. D(Ø) |
| Raceway Ring Shape |
| Load Direction |
| Width B(mm) |
| Outer Ring |
| Number of Raceway Ring Rows |
| Inner/Outer Ring Material |
| Specifications |
| Outer Ring Type |
| Precision (JIS) |
| Rolling Element Material |
| Size Standards |
You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.        | You can add up to 6 items per a category to the compare list.      | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.      | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.      | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | NSK | NSK | NSK | NTN | NTN | MISUMI | NSK | NACHI(FUJIKOSHI) | MISUMI | JTEKT KOYO | NTN | NTN | NTN | INA | JTEKT KOYO | NSK | IKO | JTEKT KOYO | INA | INA | JTEKT KOYO | NSK | NTN | JTEKT KOYO | MISUMI | INA | MISUMI | JTEKT KOYO | JTEKT KOYO | NACHI(FUJIKOSHI) | INA | NSK | INA | INA | MISUMI | INA |
| Product SeriesDòng sản phẩm | Needle Roller Bearings with Thrust Ball Bearings - With Inner Ring | Needle Roller Bearings with Thrust Roller Bearings - With Inner Ring | Needle Roller Bearing with Thrust Roller Bearing (No inner ring / open type / with cover) | |||||||||||||||||||||||||||||||||
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| From | 127,170 VND Special Price On Sale Till 31/03/2025 | 814,419 VND | 403,435 VND | 25,429 VND Special Price On Sale Till 31/03/2025 | 122,170 VND Special Price On Sale Till 31/03/2025 | 83,617 VND Special Price On Sale Till 31/03/2025 | 131,801 VND | 431,209 VND | 352,810 VND Special Price On Sale Till 31/03/2025 | 179,806 VND | 388,340 VND | 1,808,608 VND | 51,840 VND | 889,031 VND | 443,545 VND | 120,785 VND Special Price On Sale Till 31/03/2025 | 149,283 VND | 21,073,506 VND | 165,079 VND | 319,583 VND | 1,495,531 VND | 57,225 VND | 5,722,500 VND | 656,256 VND | 693,260 VND Special Price On Sale Till 31/03/2025 | 27,500 VND | 1,301,390 VND Special Price On Sale Till 31/03/2025 | 221,115 VND | 80,933 VND | 3,900,162 VND | 354,848 VND | 228,543 VND | 617,111 VND | 79,065 VND | 1,552,330 VND | 974,779 VND |
| Days to ShipSố ngày giao hàng | Same day or more | Same day or more | Same day or more | Same day or more | Same day or more | Same day or more | Same day or more | 4 Day(s) or more | Same day or more | 4 Day(s) or more | Same day or more | Same day or more | Same day or more | 4 Day(s) or more | 4 Day(s) or more | Same day or more | 6 Day(s) or more | 6 Day(s) or more | Same day or more | 4 Day(s) or more | 4 Day(s) or more | Same day or more | 4 Day(s) or more | 4 Day(s) or more | Same day or more | 4 Day(s) or more | Same day or more | 6 Day(s) or more | 4 Day(s) or more | 7 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 5 Day(s) or more | 4 Day(s) or more |
| Inner Dia. d(Ø) | 15 ～ 380 | 20 ～ 300 | 10 ～ 340 | 10 ～ 160 | 5 ～ 330 | 4 ～ 30 | 8 ～ 45 | 25 ～ 100 | 6 ～ 35 | 15 ～ 300 | 20 ～ 280 | 40 ～ 190 | 3 ～ 165 | 15 ～ 70 | 20 ～ 200 | 4 ～ 30 | 10 ～ 100 | 120 ～ 320 | 6 ～ 35 | 6 ～ 35 | 25 ～ 480 | 10 ～ 45 | 60 ～ 380 | 12 | 7 ～ 50 | 4 ～ 70 | 12 ～ 45 | 12 ～ 80 | 4 ～ 25 | 95 ～ 120 | 20 | 10 | 15 ～ 30 | 4 ～ 16 | - | 17 ～ 25 |
| Outer Dia. D(Ø) | 35 ～ 520 | 52 ～ 500 | 32 ～ 520 | 24 ～ 200 | 10 ～ 380 | 14 ～ 47 | 12 ～ 55 | 52 ～ 190 | - | 40 ～ 480 | 47 ～ 420 | 68 ～ 240 | 6 ～ 173 | 28 ～ 100 | 47 ～ 360 | 8 ～ 37 | 24 ～ 135 | 240 ～ 440 | 10 ～ 42 | 10 ～ 42 | 52 ～ 700 | 24 ～ 65 | 130 ～ 520 | 21 | 19 ～ 72 | 14 ～ 95 | 24 ～ 62 | 19 ～ 95 | 8 ～ 32 | 200 ～ 260 | 28 | 17 | 24 ～ 42 | 8 ～ 22 | - | 26 ～ 37 |
| Raceway Ring Shape | Cylindrical Roller / Cone Roller | Self-Aligning Roller | Cylindrical Roller / Cone Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Cylindrical Roller | One-Way Clutch | Cone Roller | Cylindrical Roller | Cylindrical Roller | Needle Roller | Complex Shape Roller | Cylindrical Roller | Cylindrical Roller / One-Way Clutch | Needle Roller | Self-Aligning Roller | One-Way Clutch | One-Way Clutch | Self-Aligning Roller | Cylindrical Roller | Self-Aligning Roller | Complex Shape Roller | Complex Shape Roller | Needle Roller | Complex Shape Roller | Needle Roller | Needle Roller | Cone Roller | Needle Roller | Needle Roller | Complex Shape Roller | Needle Roller | Complex Shape Roller | Complex Shape Roller |
| Load Direction | Radial | Radial | Radial | Thrust | Radial | Thrust | Radial | - | Radial | Radial | Radial | Radial | Radial | Radial / Thrust | Radial | Radial | Radial / Thrust | Thrust | Radial | Radial | Radial | Radial | Thrust | Radial / Thrust | Radial / Thrust | Thrust | Radial / Thrust | Radial | Radial | - | Radial | Radial | Radial / Thrust | Radial | Radial | Radial / Thrust |
| Width B(mm) | 11.75 ～ 150 | 15 ～ 160 | 12 ～ 122 | 2 ～ 5 | 8 ～ 100 | 2 | 10 ～ 20 | 15 ～ 43 | - | 13.25 ～ 137 | 12 ～ 120 | 22 ～ 95 | 7 ～ 35 | 20 ～ 45 | 14 ～ 68 | 6 ～ 30 | 2 ～ 4 | 48 ～ 115 | 12 ～ 20 | 15 ～ 30 | 18 ～ 208 | 2 ～ 4 | 39 ～ 115 | 23 | 16 ～ 25 | 1 ～ 2 | 16 ～ 25 | 13 ～ 30 | 8 ～ 20 | 45 ～ 55 | 23 | 10 | 23 ～ 30 | 8 ～ 12 | - | 25 ～ 30 |
| Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | W/o Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | - | - | - | With Outer Ring | W/o Outer Ring | With Outer Ring | - | With Outer Ring | With Outer Ring | - | - | - | - | With Outer Ring | With Outer Ring | - | With Outer Ring | W/o Outer Ring | With Outer Ring | - | - | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | - | With Outer Ring |
| Number of Raceway Ring Rows | Single Row / Double Row | Double Row | Single Row / Double Row | Single Row | Single Row / Double Row | Single Row | Single Row | Single Row | - | Single Row | Single Row | Single Row | Single Row / Double Row | Single Row | Single Row | Single Row | - | Single Row | - | - | Double Row | Single Row | Single Row | Double Row | Single Row | Single Row | Single Row | Single Row | Single Row | Single Row | Single Row | Single Row | Single Row | Single Row | - | Single Row |
| Inner/Outer Ring Material | Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | - | - | Steel | Steel | Steel | Steel | Steel | - | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel | Steel |
| Specifications | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard / For High Speed | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard / Related Part | Standard | Standard | Standard | Standard | Standard | Standard | Standard / Dust Resistant | Standard | Standard | Standard / Dust Resistant |
| Outer Ring Type | Flat / With V-Shaped Groove | With V-Shaped Groove / With U-Shaped Groove | Flat / With Retaining Ring Grooves | - | Flat | Flat | Flat | Flat | - | Flat | - | Flat / With Retaining Ring Grooves | - | With Semicircular Groove | Flat | Flat | - | Flat | - | - | Flat | Flat | Flat | Flat | Flat | - | Flat | Flat | Flat | Flat | With Semicircular Groove | Flat | With Semicircular Groove | Flat | - | With Semicircular Groove |
| Precision (JIS) | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 | Class 0 |
| Rolling Element Material | Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | - | - | Steel | Steel | Steel | Steel | Steel | - | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel |
| Size Standards | Metric System | Metric System | Metric System | Metric System | Metric System / Inch System | Metric System | Metric System / Inch System | Metric System | - | Metric System | - | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | - | - | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | - | Metric System |
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ConfigureTạo
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
-
Inner Dia. d(Ø)
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 12
- 12.7
- 12.700(1/2)
- 13
- 14
- 14.288
- 15
- 16
- 17
- 17.462
- 18
- 19
- 19.05
- 20
- 21
- 21.430
- 21.986
- 22
- 22.225
- 24
- 25
- 25.4
- 26
- 28
- 29
- 30
- 31.75
- 32
- 34.925
- 34.925(1 3/8)
- 34.988
- 35
- 37
- 38
- 38.1
- 40
- 41.275
- 42
- 43
- 45
- 47
- 48
- 50
- 50.8
- 52
- 55
- 57
- 58
- 60
- 62
- 63
- 63.5
- 65
- 67
- 68
- 70
- 72
- 73
- 75
- 77
- 80
- 82
- 85
- 87
- 90
- 92
- 95
- 100
- 102
- 105
- 110
- 112
- 115
- 120
- 122
- 125
- 130
- 132
- 135
- 140
- 145
- 150
- 155
- 160
- 162
- 165
- 170
- 175
- 180
- 190
- 195
- 200
- 205
- 220
- 225
- 240
- 245
- 260
- 265
- 280
- 285
- 290
- 300
- 320
- 330
- 340
- 360
- 380
- 400
- 420
- 440
- 460
- 480
-
Outer Dia. D(Ø)
- 6
- 6.5
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 17.462(11/16)
- 18
- 19
- 19.05
- 20
- 20.638
- 21
- 22
- 23
- 23.812
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 30.162
- 31
- 32
- 33
- 33.338
- 34
- 35
- 36
- 37
- 38
- 38.1
- 39
- 39.878
- 40
- 42
- 43
- 44
- 44.45
- 45
- 45.237
- 45.974
- 47
- 47.625(1 7/8)
- 48
- 49
- 50
- 50.005
- 50.292
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 59.131
- 59.974
- 60
- 61
- 62
- 63
- 64
- 65
- 65.088
- 66
- 66.5
- 67
- 68
- 70
- 71.5
- 72
- 73
- 73.025
- 74
- 75
- 76.2
- 77
- 78
- 80
- 81
- 82
- 83
- 85
- 86
- 88
- 89
- 90
- 92
- 93.264
- 95
- 98
- 100
- 102
- 105
- 108
- 110
- 112.712
- 115
- 117
- 120
- 125
- 127
- 130
- 135
- 137
- 140
- 145
- 150
- 153
- 155
- 160
- 165
- 170
- 173
- 175
- 178
- 180
- 188
- 190
- 200
- 210
- 215
- 220
- 225
- 230
- 240
- 250
- 260
- 270
- 280
- 290
- 300
- 310
- 320
- 340
- 360
- 370
- 380
- 400
- 420
- 440
- 460
- 480
- 500
- 520
- 540
- 560
- 580
- 600
- 620
- 650
- 680
- 700
-
Raceway Ring Shape
- Angular Contact Ball
- Cylindrical Roller
- Needle Roller
- Cone Roller
- Self-Aligning Roller
- Complex Shape Roller
- One-Way Clutch
-
Load Direction
- Radial
- Thrust
-
Width B(mm)
- 1
- 2
- 2.5
- 2.75
- 3
- 3.5
- 4
- 4.25
- 4.75
- 5
- 5.25
- 5.5
- 5.75
- 6
- 6.5
- 7
- 7.5
- 8
- 8.25
- 8.5
- 9
- 9.5
- 10
- 10.5
- 11
- 11.5
- 11.75
- 12
- 12.5
- 12.7
- 12.700(1/2)
- 13
- 13.25
- 13.5
- 14
- 14.25
- 14.605
- 14.732
- 15
- 15.25
- 15.88
- 16
- 16.25
- 16.637
- 16.764
- 17
- 17.25
- 17.462
- 18
- 18.25
- 18.288
- 19
- 19.05
- 19.25
- 19.75
- 20
- 20.75
- 21
- 21.25
- 21.75
- 22
- 22.25
- 22.75
- 23
- 23.75
- 24
- 24.25
- 24.75
- 25
- 25.25
- 25.4
- 25.40(1)
- 25.650
- 25.654
- 26
- 26.25
- 26.75
- 27
- 27.25
- 28
- 28.25
- 28.75
- 29
- 29.25
- 29.75
- 30
- 30.162
- 30.302
- 30.5
- 31
- 31.5
- 31.75
- 32
- 32.5
- 32.75
- 33
- 33.25
- 33.5
- 34
- 34.5
- 35
- 35.25
- 36
- 37
- 38
- 38.25
- 38.5
- 39
- 40
- 41
- 42
- 42.25
- 42.5
- 43
- 43.5
- 43.75
- 44.5
- 45
- 45.5
- 45.75
- 46
- 46.5
- 47
- 48
- 48.5
- 49
- 49.5
- 50
- 51
- 51.5
- 52
- 53
- 53.5
- 54
- 54.5
- 55
- 56
- 57
- 58
- 59
- 59.5
- 60
- 60.5
- 61
- 61.5
- 62
- 63
- 63.5
- 63.75
- 64
- 65
- 67
- 67.5
- 67.75
- 68
- 69
- 70
- 71.5
- 71.75
- 72
- 73
- 74
- 75
- 76
- 77
- 77.5
- 78
- 79
- 80
- 81.5
- 82
- 83
- 84
- 84.5
- 85
- 86
- 87
- 88
- 89
- 90
- 90.5
- 91
- 92
- 93
- 95
- 96
- 97
- 98
- 98.75
- 100
- 102
- 103
- 104
- 106
- 107.75
- 108
- 109
- 110
- 112
- 114
- 115
- 118
- 120
- 121
- 122
- 126
- 127
- 128
- 130
- 132
- 133
- 134
- 135
- 137
- 138
- 140
- 144
- 145
- 146
- 148
- 150
- 155
- 157
- 160
- 163
- 165
- 174
- 175
- 176
- 190
- 192
- 200
- 208
-
Outer Ring
- With Outer Ring
- W/o Outer Ring
-
Number of Raceway Ring Rows
-
Inner/Outer Ring Material
- Steel
- Stainless Steel
-
Specifications
-
Outer Ring Type
-
Precision (JIS)
- Class 0
- Class 4
- Class 5
-
Rolling Element Material
-
Size Standards
Related Categories to Roller BearingsDanh mục liên quan đến Roller Bearings
FAQ Roller Bearings
- Question: What are the different types of roller bearings?
- Answer: The different types of roller bearings are:
1. Cylindrical Roller Bearings: Suitable for moderate-speed operations with high radial-load capacity and moderate thrust loads.
2. Spherical Roller Bearings: Designed to carry heavy axial and radial loads at high speeds, even with misalignment or shaft deflection. Available with cylindrical or tapered bores.
3. Needle Roller Bearings: Feature thin, long rollers for high radial load capacities in limited space and high-speed rotational applications.
4. Tapered Roller Bearings: Support radial and thrust loads, commonly used in automotive wheel hubs, gearboxes, and industrial equipment. Available in inch and metric sizes. These bearings find applications in various industries, including heavy equipment, machinery and manufacturing. - Question: What are the advantages of using roller bearings?
- Answer: Here are some Advantages of roller bearings:
1. Reduced friction for lower starting and running friction, except at very high speeds.
2. Ability to withstand momentary shock loads.
3. Accurate shaft alignment.
4. Low manufacturing cost.
5. Moderate lubricant requirements and low friction.
6. Capability to support both radial and axial loads.
7. Long bearing life.
8. Suitable for mass production with stable quality.
9. Can support combined radial and thrust loads simultaneously. - Question: How do I choose the right roller bearing for my application?
- Answer: Here are some steps to guide you in selecting the appropriate bearing:
1. Load Requirements: Understand the magnitude and direction of the load to determine the appropriate load capacity.
2. Speed: Consider the rotational speed of the application to ensure it aligns with the bearing's capabilities.
3. Environmental Conditions: Evaluate temperature, humidity, and exposure to contaminants to select a bearing that can withstand the operating environment.
4. Bearing Type: Choose from various types like cylindrical, spherical, needle, or tapered roller bearings based on load, speed, and operating conditions.
5. Bearing Material: Select suitable materials such as stainless steel, chrome steel, ceramic, or plastic, considering load, speed, temperature, and environmental factors.
6. Lubrication Needs: Determine lubrication requirements, including type, viscosity, and replenishment intervals, to ensure smooth operation and longevity.
7. Special Features or Requirements: Consider any specific features like seals, shields, precision tolerances, or coatings needed for your application. - Question: Can roller bearings handle axial loads?
- Answer: Yes, Roller bearings can indeed handle axial loads, though most are designed primarily for radial loads. Certain designs, such as cylindrical roller bearings with flanges on both inner and outer rings, and axial spherical roller bearings, are capable of supporting axial loads. However, roller bearings generally have lower axial load capacities compared to radial loads.
- Question: How do I maintain and lubricate roller bearings?
- Answer: The guidelines for maintaining and lubricating roller bearings effectively including
1. Selection of Lubricant: Choose lubricant based on application and environment, such as mineral oil, synthetic oil, or greases like lithium soap or polyalphaolefin.
2. Lubrication Techniques: Utilize methods such as oil drip feed or grease lubrication.
3. Lubrication Schedule: Establish a schedule based on application and environmental factors and regularly inspect bearings for wear and adjust the schedule accordingly.
4. Monitoring Performance: Regularly monitor for signs of issues such as increased vibration, excessive heat, lubricant loss, or contamination and address any problems promptly to prevent premature bearing failure. - Question: What are the signs of roller bearing failure?
- Answer: Signs of roller bearing failure include excessive vibration, increased temperature, noise, lubricant contamination, and friction. Initial indicators often begin with abnormal vibration, progressing to elevated temperature and noise. Contaminated lubricants exacerbate friction, leading to heat generation and eventual failure.
- Question: How long do roller bearings typically last?
- Answer: The lifespan of roller bearings is determined by factors like rotations or operating hours, with fatigue symptoms indicating failure. The L10 life, representing the hours or rotations before 90% of bearings fail, estimates bearing life. Ratings are based on hours at a set speed, influenced by load, speed, lubrication, and conditions. Average roller bearing life is usually 4 to 5 times the L10 life, potentially longer under favorable conditions.
- Question: Can roller bearings be used in extreme temperatures?
- Answer: Roller bearings have differing temperature thresholds depending on their design, lubrication, and operational conditions. Traditional bearings can typically function in temperatures up to 149°C, while specialized high-temperature bearings can endure temperatures up to 450°C. However, excessive heat can decrease efficiency, induce wear and expansion, and compromise seals or grease. It's vital to select appropriate bearings and lubricants tailored to specific applications and environmental conditions to ensure optimal performance and longevity.
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