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Roller Bearings（Outer Ring Type：Flat）
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MiSUMi EconomyMiSUMi EconomyMISUMI
Thrust Needle Roller Bearings is an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.[Feature]● Support high axial loads and limited axial space● Bearing Inner Diameter Minimum/Maximum (mm.) : 4 and 30● Material : Equivalent to SUJ2● Surface treatment : Not Provided[Application]Thrust Needle Roller Bearings are commonly used in automation machines system
- 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 4 ～ 30 14 ～ 47 Needle Roller Thrust 2 - Single Row Steel Standard Flat - Steel Metric System
From: 8,359 VND Days to Ship: Số ngày giao hàng: Same day or more 
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Tapered Roller Bearing (Separate Type)
NTN
Bearing with a tapered raceway on the inner and outer races.Tapered trapezoidal rollers are assembled as a rolling element and guided by a large flange of the inner race.[Features]·It can support radial loads and unidirectional axial loads.·The separated design allows the inner race and outer race to be installed separately.[Application]·For machine tools, motors, pumps, etc.
- 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 15 ～ 260 35 ～ 400 Cone Roller Radial / Thrust 11.75 ～ 87 - Single Row Steel Standard Flat Class 4 / Class 5 Steel Metric System / Inch System From: 81,250 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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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 ～ 127 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 165,795 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
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Drawn Cup Needle Roller Bearing, Outer Ring
NTN
A bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled.[Features]・ It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.・ Compact design is possible with the shaft directly as the raceway surface without using the inner ring.・ The outer ring has a structure in which the needle roller and the retainer are not separated.・ Retaining rings are not required for fixing in the axial direction by simply press-fitting into a rigid housing with an appropriate fit.[Applications]・ 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 3 ～ 50 6.5 ～ 62 Needle Roller Radial / Thrust 6 ～ 40 With Outer Ring Single Row / Double Row Steel Standard Flat - Steel Metric System / Inch System From: 36,250 VND Special Price 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 Class 0 Steel Metric System From: 403,435 VND Days to Ship: Số ngày giao hàng: Same day or more
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Shell Type Needle Roller Bearing
IKO
Light weight bearings with large load ratings. They employ a shell type outer ring made from a thin special steel plate which is accurately drawn, carburized and quenched, thus providing the lowest sectional height among the needle roller 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 ～ 70 8 ～ 82 Needle Roller Radial 8 ～ 50 With Outer Ring Single Row / Double Row Steel Standard / Abrasion Resistant / For High Speed Flat - Steel Metric System / Inch System From: 147,255 VND Days to Ship: Số ngày giao hàng: 4 Day(s) 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 / Class 4 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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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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MISUMI
It consists of 1 thrust retainer and 2 washers, and can receive axial 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 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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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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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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IKO
[Features]· Has superior allowable load and durability than a ball bearing because line runs tangential to the raceway.
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 22 ～ 30 Cylindrical Roller Radial / Thrust 13 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed Flat - Steel Metric System From: 647,348 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Self-Aligning Roller Bearing (Double Row)
NTN
A roller bearing with an inner race featuring a two-row raceway groove, an outer race featuring a spherical raceway, and barrel-shaped rolling elements.[Features]·The raceway center of the outer race coincides with the center of the bearing. Has a self-aligning property.·It is capable to operate despite a tilting of the inner race and outer race caused by installation error to the housing or deflection of the shaft.[Application]·Areas where it is difficult to center the shaft and housing.·Such as transmission shaft and other areas prone to shaft deflection.·Where large axial loads can be applied.·Steel equipment, paper manufacturing machines, mining machines, etc.·Ideal for applications subject to radial loads, axial loads in both directions, and their combined loads.
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 ～ 400 52 ～ 600 Self-Aligning Roller Radial 18 ～ 192 - Double Row Steel Standard Flat - Steel Metric System From: 1,233,431 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 50 ～ 190 72 ～ 240 Cylindrical Roller Radial 22 ～ 50 With Outer Ring Single Row Steel Standard Flat Class 0 Steel Metric System From: 1,808,608 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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Needle Roller Bearing with Separable Cage
IKO
[Features]· "N" is added to the end of the identification number for bearings with embedded synthetic resin cages.· RNAF does not have an oil hole.· RNAFW has an oil groove and one oil hole in the outer ring.· Not filled with grease.· Perform proper lubrication for 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 5 ～ 90 10 ～ 110 Needle Roller Radial 8 ～ 30 With Outer Ring Single Row Steel Standard / Abrasion Resistant / For High Speed Flat - Steel Metric System From: 223,733 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Needle Roller Bearing, Thrust Roller Bearing, WS Type Raceway Ring
NTN
Disc-shaped raceway that is used for the inner race of thrust needle roller bearings.[Features]·Suitable for high-load applications and has a large axial rigidity allowing it to receive axial load only.[Application]·Ideal for steel equipment, pumps, machine tools, wind power generation, 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 35 ～ 140 62 ～ 200 Cylindrical Roller Thrust 5 ～ 13.5 - Single Row Steel Standard Flat - Steel Metric System From: 246,096 VND Days to Ship: Số ngày giao hàng: 7 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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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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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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Needle Roller Bearings with Thrust Ball Bearings
NTN
Thrust roller bearing with single, double, three, and four-row series as well as their combinations.[Features]·Only axial loads can be received.·The large axial rigidity makes it ideal for high-load applications.[Application]Ideal for steel equipment, pumps, machine tools, wind power generation, 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 10 ～ 70 19 ～ 85 Needle Roller Thrust 23 ～ 40 - Single Row Steel Standard Flat - Steel Metric System From: 426,670 VND Days to Ship: Số ngày giao hàng: Same day 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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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.
- 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 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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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 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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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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Cylindrical Thrust Roller Bearing
NTN
[Features]·Able to receive axial load only and ideal for high load applications.·Has one of the greatest axial rigidity.[Application]·Ideal for steel equipment, pumps, machine tools, wind power generation, 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 15 ～ 160 28 ～ 200 Cylindrical Roller Thrust 2.75 ～ 12 - Single Row Steel Standard Flat - Steel Metric System From: 248,340 VND Days to Ship: Số ngày giao hàng: Same day or more
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Double-Row Cylindrical Roller Bearing
NTN
A roller bearing with a simple shape in which the cylindrical rollers and the raceway are in linear contact.[Features]·The friction between the rolling elements and the flange of bearing ring is small, making it ideal for high-speed rotation.·Thin wall yet capable to bear high loads.·Able to receive a larger radial load than a single-row bearing.[Application]·Ideal for spindles of machine tools that require thin-wall bearings.·Ideal for rolls of rolling machines, printing cylinders of printing machines, 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 25 ～ 110 47 ～ 170 Cylindrical Roller Radial / Thrust 16 ～ 45 - Double Row Steel Standard Flat Class 4 / Class 5 Steel Metric System From: 2,539,649 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
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Thrust Cylindrical Roller Bearings, GS-shaped bearing ring
NTN
[Features]·The bearing combines rollers, a disk-shaped bearing ring, and a thrust retainer in which needle-shaped or cylindrical rollers are installed radially, and bears an unidirectional axial load.·A shaft and housing can also be used directly as a raceway without a bearing ring, which enables low-profile, lightweight and compact design structures.·This type of thrust roller bearing is not capable of performing a theoretically perfect rolling motion and will experience slippage on the raceway surface; however, in most cases, it does not hinder practical use and can rotate at a relatively high speed.
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 30 ～ 140 52 ～ 200 Cylindrical Roller Radial 4.25 ～ 13.5 - Single Row Steel Standard Flat - Steel Metric System From: 220,916 VND Days to Ship: Số ngày giao hàng: 4 Day(s) 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
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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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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Double Row Tapered Roller Bearing
NTN
Designed so the tapered 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: 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 40 ～ 120 90 ～ 200 Cone Roller Radial / Thrust 49 ～ 83 With Outer Ring Double Row Steel Standard Flat - Steel Metric System From: 4,194,368 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
| BrandNhãn hiệu |
|---|
| Product SeriesDòng sản phẩm |
| CADCAD |
| From |
| Days to ShipSố ngày giao hàng |
| SpecificationsĐặc điểm kĩ thuật |
| 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 |
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| BrandNhãn hiệu | MISUMI | NTN | NSK | NTN | NSK | IKO | NTN | NSK | MISUMI | NACHI(FUJIKOSHI) | JTEKT KOYO | IKO | NTN | NTN | JTEKT KOYO | NSK | IKO | NTN | JTEKT KOYO | NTN | JTEKT KOYO | NTN | NSK | MISUMI | JTEKT KOYO | MISUMI | NACHI(FUJIKOSHI) | NTN | NTN | NTN | JTEKT KOYO | JTEKT KOYO | INA | NSK | NTN |
| Product SeriesDòng sản phẩm | Needle Roller Bearing, Thrust Roller Bearing, WS Type Raceway Ring | Needle Roller Bearings with Thrust Ball Bearings - With Inner Ring | Needle Roller Bearings with Thrust Roller Bearings - With Inner Ring | ||||||||||||||||||||||||||||||||
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| From | 8,359 VND | 81,250 VND Special Price On Sale Till 31/03/2025 | 165,795 VND Special Price On Sale Till 31/03/2025 | 36,250 VND Special Price On Sale Till 31/03/2025 | 403,435 VND | 147,255 VND | 122,170 VND Special Price On Sale Till 31/03/2025 | 131,801 VND | 83,617 VND Special Price On Sale Till 31/03/2025 | 431,209 VND | 179,806 VND | 647,348 VND | 1,233,431 VND | 1,808,608 VND | 443,545 VND | 120,785 VND Special Price On Sale Till 31/03/2025 | 223,733 VND | 246,096 VND | 21,073,506 VND | 5,722,500 VND | 1,495,531 VND | 426,670 VND | 57,225 VND | 693,260 VND Special Price On Sale Till 31/03/2025 | 656,256 VND | 1,301,390 VND Special Price On Sale Till 31/03/2025 | 3,900,162 VND | 248,340 VND | 2,539,649 VND | 220,916 VND | 221,115 VND | 80,933 VND | 79,065 VND | 228,543 VND | 4,194,368 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 | 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 | 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 | 7 Day(s) or more | 6 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | Same day or more | Same day or more | Same day or more | 4 Day(s) or more | Same day or more | 7 Day(s) or more | Same day or more | 6 Day(s) or more | 4 Day(s) or more | 6 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 7 Day(s) or more |
| SpecificationsĐặc điểm kĩ thuật | |||||||||||||||||||||||||||||||||||
| Inner Dia. d(Ø) | 4 ～ 30 | 15 ～ 260 | 15 ～ 380 | 3 ～ 50 | 10 ～ 340 | 4 ～ 70 | 5 ～ 330 | 8 ～ 45 | 4 ～ 30 | 25 ～ 100 | 15 ～ 300 | 10 ～ 17 | 25 ～ 400 | 50 ～ 190 | 20 ～ 200 | 4 ～ 30 | 5 ～ 90 | 35 ～ 140 | 120 ～ 320 | 60 ～ 380 | 25 ～ 480 | 10 ～ 70 | 10 ～ 45 | 7 ～ 50 | 12 | 12 ～ 45 | 95 ～ 120 | 15 ～ 160 | 25 ～ 110 | 30 ～ 140 | 12 ～ 80 | 4 ～ 25 | 4 ～ 16 | 10 | 40 ～ 120 |
| Outer Dia. D(Ø) | 14 ～ 47 | 35 ～ 400 | 35 ～ 520 | 6.5 ～ 62 | 32 ～ 520 | 8 ～ 82 | 10 ～ 380 | 12 ～ 55 | 14 ～ 47 | 52 ～ 190 | 40 ～ 480 | 22 ～ 30 | 52 ～ 600 | 72 ～ 240 | 47 ～ 360 | 8 ～ 37 | 10 ～ 110 | 62 ～ 200 | 240 ～ 440 | 130 ～ 520 | 52 ～ 700 | 19 ～ 85 | 24 ～ 65 | 19 ～ 72 | 21 | 24 ～ 62 | 200 ～ 260 | 28 ～ 200 | 47 ～ 170 | 52 ～ 200 | 19 ～ 95 | 8 ～ 32 | 8 ～ 22 | 17 | 90 ～ 200 |
| Raceway Ring Shape | Needle Roller | Cone Roller | Cylindrical Roller / Cone Roller | Needle Roller | Cylindrical Roller / Cone Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Cylindrical Roller | Cone Roller | Cylindrical Roller | Self-Aligning Roller | Cylindrical Roller | Cylindrical Roller | Cylindrical Roller / One-Way Clutch | Needle Roller | Cylindrical Roller | Self-Aligning Roller | Self-Aligning Roller | Self-Aligning Roller | Needle Roller | Cylindrical Roller | Complex Shape Roller | Complex Shape Roller | Complex Shape Roller | Cone Roller | Cylindrical Roller | Cylindrical Roller | Cylindrical Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Cone Roller |
| Load Direction | Thrust | Radial / Thrust | Radial | Radial / Thrust | Radial | Radial | Radial | Radial | Thrust | - | Radial | Radial / Thrust | Radial | Radial | Radial | Radial | Radial | Thrust | Thrust | Thrust | Radial | Thrust | Radial | Radial / Thrust | Radial / Thrust | Radial / Thrust | - | Thrust | Radial / Thrust | Radial | Radial | Radial | Radial | Radial | Radial / Thrust |
| Width B(mm) | 2 | 11.75 ～ 87 | 11.75 ～ 127 | 6 ～ 40 | 12 ～ 122 | 8 ～ 50 | 8 ～ 100 | 10 ～ 20 | 2 | 15 ～ 43 | 13.25 ～ 137 | 13 | 18 ～ 192 | 22 ～ 50 | 14 ～ 68 | 6 ～ 30 | 8 ～ 30 | 5 ～ 13.5 | 48 ～ 115 | 39 ～ 115 | 18 ～ 208 | 23 ～ 40 | 2 ～ 4 | 16 ～ 25 | 23 | 16 ～ 25 | 45 ～ 55 | 2.75 ～ 12 | 16 ～ 45 | 4.25 ～ 13.5 | 13 ～ 30 | 8 ～ 20 | 8 ～ 12 | 10 | 49 ～ 83 |
| Outer Ring | - | - | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | - | With Outer Ring | - | With Outer Ring | - | With Outer Ring | With Outer Ring | - | - | With 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 | Single Row | Single Row | Single Row / Double Row | Single Row / Double Row | Single Row / Double Row | Single Row / Double Row | Single Row | Single Row | Single Row | Single Row | Double 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 | Double Row | Single Row | Single Row | Single Row | Double Row | Single Row | Single Row | Single Row | Single Row | Single Row | Double Row |
| Inner/Outer Ring Material | 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 | Steel | Steel | Steel | Steel | Steel | Steel |
| Specifications | Standard | Standard | Standard | Standard | Standard | Standard / Abrasion Resistant / For High Speed | Standard | Standard | Standard | Standard | Standard | Standard / Abrasion Resistant / For High Speed | Standard | Standard | Standard | Standard | Standard / Abrasion Resistant / For High Speed | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Outer Ring Type | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat | Flat |
| Precision (JIS) | - | Class 4 / Class 5 | Class 0 | - | Class 0 | - | Class 0 / Class 4 | 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 4 / Class 5 | - | Class 0 | Class 0 | Class 0 | Class 0 | - |
| Rolling Element Material | 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 | Steel | Steel | Steel | Steel | Steel | Steel |
| Size Standards | Metric System | Metric System / Inch System | Metric System | Metric System / Inch System | Metric System | Metric System / Inch System | Metric System / Inch 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 | 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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