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Linear Bushings Straight Medium

Linear Bushings Straight Medium

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Product Overview of Linear Bushings

Linear Bushings, Linear bearing is a linear type motion guiding mechanism matched with linear guide shaft. The steel ball rolls circularly along the track groove formed by the shell and the retainer, and the linear bearing reciprocates linearly relative to the guide shaft.
Through the rolling of steel ball, high-efficiency movement with low friction resistance can be realized.

Product Features of Linear Bushings

Linear Bushings Feature 1: Effective utilization of space. The combination of the guide shaft and the linear bearing enables effective use of space, suitable for small mechanism designs.
Linear Bushings Feature 2: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
Linear Bushings Feature 3: Overall length is about 1.5 times and allowable moment about 4.3 times that of the single liner type.
Linear Bushings Feature 4: Appropriate specifications can be selected according to the conditions of use.
Linear Bushings Feature 5: More cost effective than the linear guide.

Dimensional Drawing of Linear Bushings

Linear Bushings

Specifications Overview of Linear Bushings

■Material Specification Table of Linear Bushings
HousingBallRetainerOperating Environment TemperatureLinear Bushings Accessories
Linear Bushings MaterialLinear Bushings HardnessLinear Bushings Surface TreatmentLinear Bushings MaterialLinear Bushings Material
Equivalent to SUJ258HRC~-Equivalent to SUJ2Resin-20 to 80℃Seal packing
Linear Bushings Material
Nitrile Rubber
Electroless Nickel PlatingEquivalent to SUJ2
Linear BushingsIf there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating.

Usage Method of Linear Bushings

Product Drawings of Linear BushingsInstructions for use Linear Bushings
Usage method of the middle flanged linear bushingWhen the linear bearing is under heavy load (unbalanced load), one piece of single liner type is not applicable. It is recommended to use one piece of double liner type or multiple pieces of single liner type.
The middle flanged linear bushing has low price and short delivery timeLinear bearing is not suitable for rotating motion in structure. If you rotate forcibly, it may cause damage to the product. Please pay attention during use.
The middle flanged linear bearing has large inventory and assured qualityLinear bearing is not suitable for repeated plugging and unplugging.
The middle flanged linear bushing is cost effective and has abundant stockWhen inserting the guide shaft into the linear bearing, please align the center and insert it slowly, otherwise the steel ball will fall off or the retainer will be deformed.

Precautions of Linear Bushings

■ Linear Bushings Regular maintenance:
① Before use, please apply grease to the ball row inside the linear bearing, and then replenish it in due course. Grease forms an oil film on the surfaces of steel ball and rolling surface (guide shaft·bushing) of linear bearing, which effectively reduces friction and prevents sintering. Grease reduction and aging will greatly affect the life of linear bearing.
② Recommended grease: lithium soap grease.
for details. ③ Recommended grease filling interval: Usually every 6 months.
④When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
⑤ When the linear bearing is subjected to large moment load (eccentric load), one piece of single liner type is not applicable, so it is recommended to use one piece of double liner type or multiple pieces of single liner type.

■ Linear Bushings Dust prevention measures:
If dust or foreign matter enters the inside of the Linear Bushings, it may damage the circulation of steel balls, resulting in unexpected failures. When used in harsh environment, please install dust cover and protection cover, etc.

■ MISUMI linear bearing is recommended to be installed on the holder with H7 tolerance. The linear bearing is in clearance fit with the holder.

■ MISUMI linear bearing is recommended to be combined with guide shaft with quenching g6 tolerance.

Related Documents of Linear Bushings

For the usage method, please refer to Linear BushingsUsage Method of Linear Bushings.
For anti-rust performance and maintenance of metal materials and their surface treatment, please refer to Linear Bushings Anti-rust Performance.

Application Industries of Linear Bushings

Electronic & Electrical Appliances Automotive Lithium battery
The middle linear bearing has complete specifications, low price and high precision The middle flanged linear bearing is sold directly by the manufacturer, with low price and short delivery time The middle flanged linear bearing has complete specifications, low price and high precision
LCD Smart phone Semiconductor
The middle flanged linear bearing is widely used in multiple industries The middle flanged linear bearing is sold directly by the manufacturer, with low price and short delivery time The middle flanged linear bearing has complete specifications, low price and high precision

Related Products of Linear Bushings

Part Number 

  • Incomplete part number.
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    Incomplete part number.
    Please use left hand selections to complete a part number.
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Part Number
E-LB6DMUU
E-LB6DUU
E-LB8DMUU
E-LB8DUU
E-LB10DMUU
E-LB10DUU
E-LB12DMUU
E-LB12DUU
E-LB16DMUU
E-LB16DUU
E-LB20DMUU
E-LB20DUU
E-LB25DMUU
E-LB25DUU
E-LB30DMUU
E-LB30DUU
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàngInscribed Circle Dia. dr
(Ø)
Overall Length L
(mm)
Outer Cylinder Surface Treatment Outer Dia. D
(Ø)
Eccentricity
(µm)
Basic Load Rating: Dynamic Load (Details)
(N)
Basic Load Rating: Static Load
(N)

81,895 VND

1 Piece(s) Available Same day 629[Surface Treatment] Electroless Nickel Plating120.02226310

62,981 VND

1 Piece(s) Available Same day 629No Surface Treatment120.02226310

80,766 VND

1 Piece(s) Available Same day 837[Surface Treatment] Electroless Nickel Plating150.02310452

61,926 VND

1 Piece(s) Available Same day 837No Surface Treatment150.02310452

81,895 VND

1 Piece(s) Available Same day 1047[Surface Treatment] Electroless Nickel Plating190.02508718

62,981 VND

1 Piece(s) Available Same day 1047No Surface Treatment190.02508718

84,153 VND

1 Piece(s) Available Same day 1247[Surface Treatment] Electroless Nickel Plating210.02634814

64,113 VND

1 Piece(s) Available Same day 1247No Surface Treatment210.02634814

98,550 VND

1 Piece(s) Available Same day 1656[Surface Treatment] Electroless Nickel Plating280.0211641448

74,132 VND

1 Piece(s) Available Same day 1656No Surface Treatment280.0211641448

124,168 VND

1 Piece(s) Available Same day 2065[Surface Treatment] Electroless Nickel Plating320.02515542068

94,105 VND

1 Piece(s) Available Same day 2065No Surface Treatment320.02515542068

184,153 VND

1 Piece(s) Available Same day 2583[Surface Treatment] Electroless Nickel Plating400.02517253068

128,613 VND

1 Piece(s) Available Same day 2583No Surface Treatment400.02517253068

238,632 VND

1 Piece(s) Available Same day 3090[Surface Treatment] Electroless Nickel Plating450.02524403974

166,368 VND

1 Piece(s) Available Same day 3090No Surface Treatment450.02524403974

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  1. 1

Dimensional Drawing
Linear Bushings
Specification Table
■Material Specification Table
HousingBallRetainerOperating Environment Temperature Accessories
 Material Hardness Surface Treatment Material Material
Equivalent to SUJ258HRC~-Equivalent to SUJ2Resin-20 to 80℃Seal packing
 Material
Nitrile Rubber
Electroless Nickel PlatingEquivalent to SUJ2

■Dimension Specification Table
Part NumberD ToleranceLBWD1Lateral Misalignment
(maximum)
Number of
ball rows
Basic Rated LoadAllowable
Static Moment
(N·m)
Weight
(g)
drTolerance No Surface TreatmentWith Surface Treatment Tolerance ToleranceC (Dynamic) NCo (Static) N
60
-0.12
120
-0.013
0
-0.018
290
-0.3
200
-0.5
1.111.50.0242263101.4212
815372514.33104522.1227
10190
-0.016
0
-0.023
47301.3185087184.3749
12210
-0.3
206348146.254
1323226408266.269
16280
-0.018
0
-0.025
56351.62751164144813.1112
200
-0.15
320
-0.021
0
-0.028
650
-0.35
400
-0.8
30.50.02551554206818.3152
254083551.853861725306825.3332
300
-0.18
459071.342.52440397442.7422
If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating.
 

Basic InformationThông tin cơ bản

Type Straight Style Standard Outer Cylinder Material SUJ2 Equivalent
Lubrication Type Not Provided Accuracy High Grade Ball Recirculating Type Double
Motion Linear Types Straight Length Medium
Ball Material Equivalent to SUJ2 Retainer Material Resin Seal Provided
Greased Filled Not Provided

Frequently asked question (FAQ)FAQ

Question:Question: How is linear bearing maintained regularly?
Answer:Answer: MISUMI recommends that linear bearing is regularly replenished with grease, and it is recommended to do so once every six months. When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
Question:Question: Comparison of antirust ability of linear bearings?
Answer:Answer: Antirust ability from strong to weak: Low Temp. Black Chrome Plating → No-Electro Nickel Plated → No Surface Treatment.
Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.