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Linear Bushings Straight Single / Double (E-LB20LUU)

Linear Bushings Straight Single / Double E-LB20LUU
  • Volume Discount
Check FAQ of this product (9 items)

MISUMI

MiSUMi Economy

MISUMI

Linear Bushings Straight Single / Double
These Linear Bushings are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Features]
● Support Shaft Diameter Minimum/Maximum (mm.): 5 and 50
● Overall Length Minimum/Maximum (mm.): 15 and 151
● Shape : Straight
● Ball Recirculating Type : Single or Double
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Part Number

Configured Part Number is shown.

E-LB20LUU



Economy Straight Linear Bushing

Linear bushingDurablePrecise

- Precision straight linear bushing for accurate linear motion.

- High-quality SUJ2 equivalent material for durability.

- Available in various shaft diameters

- Single and double ball recirculating types for different needs.

- Ideal for conveyor systems and robotic equipment.

Economy Straight Linear Bushing
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support


Product Overview
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.


 

Dimensional Drawing

This product is delivered at the initial stage, the color of the packing may be inconsistent with the photo, which shall be subject to the actual product.

Specifications Overview
Typedr[Φ:mm]HousingBallRetainerOperating environment temperature Accessories
 Material Hardness Surface Treatment Material Material
C-LM_UU6~30Equivalent to SUJ258HRC～－Equivalent to SUJ2Resin-20~80℃Seal packing
 Material
Nitrile Rubber
E-LB_UU5~50
E-LBM_UU6~45Electroless Nickel Plating
If there are requirements for rust prevention, give priority to MISUMI standard products with surface treatment of electroless nickel plating or those with low temperature hard chromium plating.

 

Specification Table
 Part Number  ( Type ・Diameter ・Length )    
 C-LM8UU
E-LB6UU
 


■ Dimension Specification Table
 
Part NumberO.D. D ToleranceOverall Length L
(Single)		Overall Length L
(Double)		BWD1Eccentricity
(maximum)		Number of
ball rows		Mass
(g)		Basic Rated LoadDouble Type
Allowable
Statice Moment
(N・m)
TypedrLengthTolerance E-LBE-LBMLToleranceLToleranceSingleDoubleToleranceSingleDouble
SingleDoubleSingleDoubleSingleDoubleSingleDoubleC (Dynamic) NCo (Static) NC (Dynamic) NCo (Static) N
E-LB_UU
(No surface
treatment)

E-LBM_UU
(Electroless
Nickel Plating)		5UU+0.003
-0.012		100
-0.013		-0
-0.015		-15+0.2
-0.4		--8-0
-0.4		1.19.60.024-44-167206---
6UU
(Single)

LUU
(Double)		120
-0.015		0
-0.015		1935+0.3
-0.6		11.324.811.50.038.5162062653245292.18
815244515.332.814.317312653804317844.31
10190
-0.015		0
-0.016		0
-0.016		295519.441.41.318316237254958811007.24
12210
-0.018		305720.443.4204180412598657120010.9
13233261224690510784813157011.6
1628377023.349.81.62757314577511801230235019.7
20+0.003
-0.013		320
-0.018		0
-0.021		0
-0.018		0
-0.019		428027.357.830.50.030.049818088213701400274026.8
254059+0.2
-0.5		112+0.3
-0.7		37.378.30
-0.5		1.8538623644098015701560314043.4
30456412340.885.343262480157027402490549082.8
35+0.003
-0.014		520
-0.025		0
-0.028		0
-0.023		0
-0.025		7013545.394.82.1490.0350.0454257951670314026506270110
40608015156.3116.85765411702160402034308040147
50UU+0.003
-0.015		800
-0.028		-0
-0.025		-100--68.8-2.676.5-1700-38207940----
If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating.
Specification of "E-LB" corresponds to the spec of "C-LM". Difference between these 2 type is only Part No.

■ Dimension Specification Table
Part NumberDLBWD1Lateral Misalignment
(maximum)		Number of
ball rows		Weight
(g)		Basic Rated Load
TypedrTolerance Tolerance Tolerance ToleranceC (Dynamic) NCo (Static) N
C-LM_UU6+0.003
-0.012		120
-0.013		19+0.2
-0.4		11.30
-0.4		1.111.50.02447.4206265
8152415.314.313265380
10190
-0.015		2919.41.31824372549
12213020.42027412598
16283723.31.6275747751180
20+0.003
-0.013		320
-0.018		4227.330.50.030838821370
254059+0.2
-0.5		37.30
-0.5		1.93862069801570
30456440.84322915702740
If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating or those with low temperature hard chromium plating.


 
Usage Method
Product DrawingsInstructions for use
Usage MethodWhen 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.
Usage MethodLinear 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.
Usage MethodLinear bearing is not suitable for repeated plugging and unplugging.
Usage MethodWhen 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
■ 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.
③ Recommended grease filling interval: Usually every 6 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.

■ Dust prevention measures:
If dust or foreign matter enters the inside of the linear bearing, 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 combined with guide shaft with quenching g6 tolerance.

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

Related Products
Guide shaft Straight bar type Linear bearing holder assembly Widened square shape Linear bearing Standard type Straight type
Linear bearing Economic type linear bearing Linear bearing standard type Sliding bushing Linear motion bearing Sliding bearing Linear motion specification Sliding bearing with housing Sliding linear ball bushing LINEAR BUSHINGS STANDARD TYPE -SINGLE BUSHING LENGTH- Linear bearing Economic type linear bearing Linear bearing standard type Sliding bushing Linear motion bearing Sliding bearing Linear motion specification Sliding bearing with housing Sliding linear ball bushing LINEAR BUSHINGS STANDARD TYPE -SINGLE BUSHING LENGTH- Linear bearing Economic type linear bearing Linear bearing standard type Sliding bushing Linear motion bearing Sliding bearing Linear motion specification Sliding bearing with housing Sliding linear ball bushing LINEAR BUSHINGS STANDARD TYPE -SINGLE BUSHING LENGTH-
Typical model: SFJ20-75 Typical model: LHBB8 Typical model: LMU8
 

Part Number 

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  1. 1
Part Number
E-LB20LUU
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInscribed Circle Dia. dr
(Ø) 		Overall Length L
(mm) 		Outer Cylinder Surface Treatment Outer Dia. D
(Ø) 		Ball Recirculating Type Length Eccentricity
(µm) 		Basic Load Rating: Dynamic Load (Details)
(N) 		Basic Load Rating: Static Load
(N) 		Inscribed Circle Dia. Tolerance (Negative Side)
(mm)

41,636 IDR

1 Piece(s)Available 19 Day(s) -2080No Surface Treatment32DoubleDouble4014002740+0.003 -0.013

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  1. 1

■ Test conditions
•Linear bearing (inner diameter 16) is matched with MISUMI guide shaft (PSFJ) to apply 63kg load and walk for 30km, and confirm the product damage and sliding noise.
Product Feature Drawings

■ Test results
The economy series product ensures smooth sliding of steel ball, which have good durability and low noise
Product Feature Drawings
*Products circulating on the market are similar products randomly purchased by our company from online or offline markets
*The test data are obtained through testing by our company, which are for reference only




Example of Use
Example of Use
Equipment Name:
Stamping die position adjustment component

Design Purpose:
Adjust the position of the stamping die to correct the deviation of the opening position in the width direction of the sheet workpiece.

Application Description:
By matching with the cylinder, it realizes the guidance of the linear motion of the workpiece in the horizontal direction.
 
Application Industries
Electronic & Electrical Appliances Automotive Lithium battery
Electronic & Electrical Appliances Automotive Lithium battery
LCD Smart phone Semiconductor
LCD Smart phone Semiconductor

Basic Information

Type Straight Style Standard Outer Cylinder Material SUJ2 Equivalent
Lubrication Type Not Provided Accuracy Standard Grade Motion Linear
Types Straight Ball Material SUJ2 Equivalent Retainer Material Plastic
Seal Provided

Please check the type/dimensions/specifications of the part E-LB20LUU in the Linear Bushings Straight Single / Double series.

Configure

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Specification/Dimensions

  • type

    • C-LBM
    • C-LM
    • E-LB
    • E-LBL
    • E-LBM

    Clear

  • Inscribed Circle Dia. dr(Ø)

    • 5
    • 6
    • 8
    • 10
    • 12
    • 13
    • 16
    • 20
    • 25
    • 30
    • 35
    • 40
    • 50

    Clear

  • Overall Length L(mm)

    • 15
    • 19
    • 24
    • 28
    • 29
    • 30
    • 32
    • 35
    • 37
    • 42
    • 45
    • 55
    • 57
    • 59
    • 61
    • 64
    • 70
    • 80
    • 100
    • 112
    • 123
    • 135
    • 151

    Clear

  • Outer Cylinder Surface Treatment

    • No Surface Treatment
    • Surface Treatment
      • Electroless Nickel Plating

    Clear

  • Outer Dia. D(Ø)

    • 10
    • 12
    • 15
    • 19
    • 21
    • 23
    • 28
    • 32
    • 40
    • 45
    • 52
    • 60
    • 80

    Clear

  • Ball Recirculating Type

    • Single
    • Double

    Clear

  • Length

    • Single
    • Double

    Clear

  • Eccentricity(µm)

    • 0.024
    • 0.03
    • 0.035
    • 0.04
    • 0.045
    • 24
    • 30
    • 40

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 10 Day(s) or Less
    • 19 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: What brand is the linear bearing of FA?
Answer: The linear bearing of FA is MISUMI brand.
Question: What is the difference between the single liner type and the double liner type of linear bearing of FA?
Answer: Single liner type is one row of steel balls, and double liner type is two rows of steel balls. Generally, the length of the double liner type is more than twice that of the single liner type, and the contact area of steel balls is longer, the radial sway is smaller, and the rated load is larger.
Question: How is linear bearing maintained regularly?
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: Comparison of antirust ability of linear bearings?
Answer: Antirust ability from strong to weak: Low Temp. Black Chrome Plating → No-Electro Nickel Plated → No Surface Treatment.
Ordinary bearing steel and stainless steel (SUS440C) are easy to rust, so it is necessary to apply anti-rust oil regularly.
Question: Is there a product stamp on the linear bearing?
Answer: There is no stamp on the product body, and the product model is on the packaging box.
Question: When the linear bearing and the guide shaft are used together, some are closely matched, but some have relatively large clearance. Does it affect the use?
Answer: The linear bearing and the guide shaft are in point contact and rolling fit through the circulating steel ball structure. Because of point contact and non-interference fit, it is normal to Provided Clearance between the shaft and the bearing, which will not affect the use. The use of this structure greatly reduces the friction resistance and prolongs the service life of the workpiece.
Question: How to deal with oil leakage in the received linear bearing?
Answer: Linear bearing is coated with anti-rust oil (except for MX grease device) when leaving the factory, which has little influence on grease. It is recommended to clean it with ultrasonic cleaner or engine oil before use and apply grease after drying.
Question: How much load does linear bearing carry?
Answer: For specific load carried, please refer to Load Carried information
Question: Can linear bearing be rotated?
Answer: The linear bearing is not suitable for rotating motion in structure. If it is forcibly rotated, it may cause damage to the product. If rotating motion is required, please give priority to linear type rotating bushings.

Check other FAQ (6 items) Hide

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Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInscribed Circle Dia. dr
(Ø) 		Overall Length L
(mm) 		Outer Cylinder Surface Treatment Outer Dia. D
(Ø) 		Ball Recirculating Type Length Eccentricity
(µm) 		Basic Load Rating: Dynamic Load (Details)
(N) 		Basic Load Rating: Static Load
(N) 		Inscribed Circle Dia. Tolerance (Negative Side)
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