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Linear Bushing - Standard, Medium[RoHS Compliant]

Linear Bushing - Standard, Medium[RoHS Compliant]

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  • Volume Discount

MISUMI

MiSUMi Economy

MISUMI

RoHS10 compliant.
Medium-precision linear bushing with relaxed O.D. tolerances such as I.D. and L dimension.

(i)Caution

  • Bushings are applied with anti-rust oil harmless to lubricants. After cleaning (recommended cleaning method: ultrasonic cleaner or white kerosene) and drying the bushings, grease application is recommended before use.

Part Number

Configured Part Number is shown.

Dimensional Drawing of Linear Bushings

Middle straight type linear bushing dimension diagram
 
Type of Linear BushingsOuter cylinderballretainerOperating atmosphere temperature[A] Accessories
[M]Material[H]Hardness[S]Surface treatment[M]Material[M]Material
C-LMUDEquivalent to SUJ258HRC～−Equivalent to SUJ2resin−20～80℃Seal [M] Material:
Nitrile rubber
C-LMUDMElectroless nickel plating

Specification Table of Linear Bushings

Order example of Linear Bushings Model (Type・dr)
  C-LMUD10
C-LMUDM20
 
 dr D L BWD1Eccentricity
(maximum)		ball
row		Basic load ratingStatic allowable
moment (N/m)		Reference
mass
(g)
 tolerance tolerance tolerance tolerance
C(dynamic)NCo(static)N
6
0
-0.010 ​
12
0
-0.013 ​
29+0.3
-0.6		200
-0.5		1.1120.0342263101.4212
8153725143104522.1227
1019
0
-0.016 ​
47301.3185087184.3749
1221206348146.254
1323226408266.269
162856351.62751164144813.1112
20
0
-0.012 ​
32
0
-0.019 ​
65400
-0.6		310.041554206818.3152
25408354.91.93861725306825.3332
30459071.2432440397442.7422
[ ! ] Anti-rust oil is applied at the time of delivery.
[ ! ] For shaft and housing tolerances, please check "Recommended tolerances for shaft diameter and housing diameter."
kgf＝N×0.101972

■Price list of Linear Bushings
・The price list below is information as of March 2019
.・For the latest price, please click the "Check Price" button after confirming the model number.
dr￥ standard unit price
C-LMUDC-LMUDM
6300450
8290440
10300450
12320470
13340500
16390580
20540770
257301,100
309801,480

Product Summary of Linear Bushings

[Features of Linear Bushings]
♢ Get up to 50% discount on similar products from our company by purchasing in bulk! !

[Product comparison information of Linear Bushings]
♢There are some differences in specifications from our similar products. Please be careful when selecting.
The dimensional tolerances of the inner diameter (dr) and outer diameter (D) have been improved to the same tolerance as our similar products.
 Our similar product
LMUD20		Economy series
C-LMUD20
Inner diameter tolerance 0－0.012
​		 0－0.012
​
Outer diameter tolerance 0－0.019
​		 0－0.019
​
Total length tolerance0-0.3
​
+ 0.3-0.6
Eccentricity (maximum)0.020.04

[Price comparison with our similar products of Linear Bushings]
Order quantityOur similar product
LMUD16		This product
C-LMUD16		price
reduction rate
166039041%
5159435141%
10154127350%
■Detailed example of discount rate of Linear Bushings
Order quantityDiscount rate
C-LMUD16
1-50-
51～10010%
101～100030%
To check the price and delivery date by quantity for each model number, please click Check Price after confirming the model number.

Cautions/Prohibitions of Linear Bushings

■Regular maintenance of Linear Bushings
① For grease lubrication, apply grease to the ball rows on the inner surface of the linear bushing before use, and then lubricate at appropriate times.
Grease forms an oil film on the surfaces of the steel balls and raceway surfaces (shaft bushing) of linear bushings, reducing friction and preventing seizure.
Grease loss and deterioration greatly affect the lifespan of linear bushings.
② Recommended lubrication grease: Lithium-based soap-based grease
③ Recommended lubrication interval: Normally every 6 months
If the mileage is long, we recommend lubrication every 3 months, and if the mileage exceeds 1000km within the period, we recommend lubrication every 1000km.
④If a large moment load (unbalanced load) is applied to the linear bushing, it is not suitable to use the single type alone.
We recommend using a double type or multiple single types.

■Dust-proof measures of Linear Bushings
Please be aware that if foreign matter or dust gets inside the linear bushing, it will interfere with the circulation of the steel balls and cause an unexpected accident.
When using the product in harsh environments, attach a dustproof cover or protective cover.

■We recommend a hardened shaft with G6 tolerance for Miss Millinial Bushing.

How to Use of Linear Bushings

IllustrationInstructions for use
How to use the middle straight type linear bushingIf a large load (unbalanced load) is applied to the linear bushing, it is not suitable to use the single type alone.
We recommend using a double type or multiple single types.
Middle straight type linear bushings are low priced and have short delivery times.Linear Bushings are not suitable for rotational motion due to their structure. Please be careful not to force the rotation as it may cause damage.
Middle straight type linear bushings are abundant in stock and quality is guaranteed.Linear Bushings are not suitable for applications where they are repeatedly inserted and removed.
 When inserting the shaft into the linear bushing, if the shaft is inserted in a strained state, the balls may fall off or the retainer may become deformed, so please align the centers and insert it gently.

Example use of Linear Bushings

Example use of Linear Bushings

Part Number 

CAD Data download and 3D preview are not available because the part number has not yet been determined.

  • *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
  • Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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30
45
60
  1. 1
Part Number
C-LMUDM6
C-LMUDM8
C-LMUDM10
C-LMUDM12
C-LMUDM13
C-LMUDM16
C-LMUDM20
C-LMUDM25
C-LMUDM30
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSOverall Length L
(mm) 		Outer Cylinder Surface Treatment Eccentricity
(µm) 		Basic Load Rating: Dynamic Load (Details)
(N) 		Basic Load Rating: Static Load
(N) 		Inscribed Circle Dia. Tolerance (Negative Side)
(mm)

SGD 8.06

1 Piece(s)Available 4 Day(s) or more 10-[Surface Treatment] Electroless nickel plating24226310-0.01

SGD 8.80

1 Piece(s)Available 4 Day(s) or more 10-[Surface Treatment] Electroless nickel plating24310452-0.01

SGD 8.90

1 Piece(s)Available 4 Day(s) or more 1047[Surface Treatment] Electroless nickel plating24508718-0.01

SGD 9.30

1 Piece(s)Available 4 Day(s) or more 1047[Surface Treatment] Electroless nickel plating24634814-0.01

SGD 9.90

1 Piece(s)Available 4 Day(s) or more 1047[Surface Treatment] Electroless nickel plating24640826-0.01

SGD 11.50

1 Piece(s)Available 4 Day(s) or more 1056[Surface Treatment] Electroless nickel plating2411641448-0.01

SGD 15.50

1 Piece(s)Available 4 Day(s) or more 1065[Surface Treatment] Electroless nickel plating3015542068-0.012

SGD 19.93

1 Piece(s)Available 4 Day(s) or more 1083[Surface Treatment] Electroless nickel plating3017253068-0.012

SGD 26.82

1 Piece(s)Available 4 Day(s) or more 1090[Surface Treatment] Electroless nickel plating3024403974-0.012

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  1. 1
Cautions/Prohibitions
■Regular Maintenance
(1) For grease lubrication, apply grease to the ball rows within the linear bushings before use, then periodically apply grease during the use.
 The grease has an effect of reducing friction by forming a layer between the balls and shaft rolling surfaces, preventing seizures.
 Grease loss and deterioration will cause shorter life of linear guides.
(2) Recommended Grease: Lithium soap based grease
(3) Recommended Lubrication Intervals: Every 6 months
Recommended lubrication is that every 3 months when travel distance is extensive, or every 1000 km when travel distance exceeds 1000 km within the period.
(4) If large moment load (offset load) is to be applied, Short / Single Type Linear Bushings are not suitable.
 Use of Double Type or Multiple Linear Bushings is recommended.

■Dust-Proofing Measures
 Please be aware that if foreign objects or dusts get inside the linear bushing, it will interfere with the circulation of the steel balls and cause failures.
 Please attach a dust cover or protection cover for harsh usage environments.

■Use of a hardened shaft with g6 tolerance is recommended for MISUMI Linear Bushings.
How to Use
IllustrationInstructions for Use
How to use Medium, Straight Linear BushingIf large load (offset load) is to be applied, Single Type Linear Bushings are not suitable.
Use of Double Type or Multiple Linear Bushings is recommended.
Medium, Straight Linear Bushing has reasonable prices and short lead timesLinear Bushings are not suitable for rotating motion due to their structure. Forcing to rotate may cause failures.
Medium, Straight Linear Bushings is available in large quantities and quality is guaranteedLinear Bushings are not suitable for usage with repetitive insertion and extraction of shafts.
Medium, Straight Linear Bushing has high cost performance and is available in large quantities.When assembling with linear shafts, forcing the shaft into the bushing with angular misalignment may cause the ball retainers to deform and balls to fall out. Be sure to align the centers and insert the shaft gently.
App. Example

▲Oil Seal Press Fitting Jig

Basic Information

Type Straight Lubrication Type Not Provided Types Standard Flange
Length Medium Linear Motion / Rotational Motion Linear Bushing (Linear Motion Only) Ball Material SUJ2 Equivalent
Retainer Material Plastic Seal With Seal

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Specification/Dimensions

  • Overall Length L(mm)

    • 47
    • 56
    • 65
    • 83
    • 90

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  • Eccentricity(µm)

    • 24
    • 30

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  • type

    • C-LMUD
    • C-LMUDM

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  • Outer Cylinder Surface Treatment

    • No Surface Treatment
    • Surface Treatment
      • Electroless nickel plating

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    • 2D
    • 3D

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Days to Ship

    • All
    • 4 Day(s) or Less

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