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Compact Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole (E-LBHM20UU)

Economy
Volume Discount

MiSUMi Economy

Compact Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole
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 192
● Shape : Double-sided Cutting Flange
● 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.

RoHS

Part Number

Configured Part Number is shown.

E-LBHM20UU

Drawing/Specifications
3D Preview
Part Numbers
More Information

Economy Compact Flanged Linear Bushing

Compact Space-Saving Flexible

- Compact design for space-saving applications.

- Single and double ball recirculating options for flexibility.

- Supports a range of shaft diameters

- Optional surface treatments for enhanced rust protection.

- Ideal for robotic equipment and precision machinery.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview

The flanged linear bearing integrates the linear bearing with the housing, resulting in a compact structure that allows for accurate and simple assembly onto equipment.
Manufactured domestically with strict cost control, it is the optimal choice for medium-precision and simple guiding applications.

Product Feature Image

The actual sealing ring is black, and the resin retainer will gradually be changed to yellow. Please refer to the actual product received.

Dimensional Drawing

Economy Single Liner Flanged Linear Bushing Size Specification Table LINEAR BUSHINGS

The flange part of this product is not heat treated and may have dents or scratches.

Counterbore Type	Type		Housing			Balls	Retainer	Operating Environment Temperature	Accessory: Seal ring
	Single Liner	Double Liner	Material	Hardness	Surface Treatment	Material	Material		Material
Reverse Counterbore Type	E-LBHZ□□UU	E-LBHZ□□LUU	Equivalent to SUJ2	58 HRC or more	—	Equivalent to SUJ2	Resin	-20 to 80°C	Nitrile Rubber
Standard Type	E-LBH□□UU	E-LBH□□LUU
	E-LBHM□□UU	E-LBHM□□LUU			Electroless Nickel Plating

Specification Table

*For inner diameter 5, the retainer is black; for inner diameters 6 to 50, the retainer is yellow.

Type					Outer Diameter D Tolerance					Overall Length L			H	T	d	d₁	t
Type	dr	Single Liner Tolerance	Double Liner Tolerance	Type		Single Liner Type No surface treatment	Double Liner Type No surface treatment	Single Liner Type With surface treatment	Double Liner Type With surface treatment	Single Liner Type	Double Liner Type	Tolerance
E-LBH E-LBHM	5	+0.003 -0.013	0 -0.013	UU (Single Liner Type) LUU (Double Liner Type)	10	0 -0.013	0 -0.015	0 -0.015	0 -0.015	15	28	±0.3	25	5	3.5	6	3.3
E-LBHZ E-LBH E-LBHM	6		+0.003 -0.013		12	0 -0.015	0 -0.016			19	35		28
	8				15					24	45		32
	10				19		0 -0.018	0 -0.018	0 -0.018	29	55	±0.6	40	6	4.5	7.5	4.1
	12				21	0 -0.018				30	57		42
	13				23					32	61		43
	16				28					37	70		48
	20	+0.003 -0.015	+0.003 -0.015		32	0 -0.021	0 -0.021	0 -0.021	0 -0.021	42	80		54	8	5.5	9	5.1
	25				40					59	112		62
	30				45					64	123		74	10	6.6	11	6.1
E-LBH E-LBHM	35	+0.003 -0.016	+0.003 -0.016		52	0 0.028	0 0.03	0 0.025	0 0.028	70	135		82
	40				60					80	151		96	13	9	14	8.1
	50				80	0 -0.03	0 -0.032	0 -0.028	0 -0.03	100	192		116

Inscribed Circle Diameter dr	P.C.D.	A	F	Eccentricity (mm)		Balls	Perpendicularity		Basic Dynamic Load Rating C (N)		Basic Static Load Rating Co (N)		Weight (g)		Double Liner Type Static Allowable Moment
Inscribed Circle Diameter dr	P.C.D.	A	F	Single Liner Type	Double Liner Type	Number of Rows	Single Liner Type	Double Liner Type	Single Liner Type	Double Liner Type	Single Liner Type	Double Liner Type	Single Liner Type	Double Liner Type	(N⋅m)
5	17	17	-	0.02	0.025	4	0.02	0.025	167	261	206	412	16	20	2
6	20	20		0.024	0.028		0.024	0.028	206	324	265	529	21	28	2.18
8	24	24			0.028			0.028	265	431	380	784	33	47	4.31
10	29	29			0.03			0.03	372	588	549	1100	64	90	7.24
12	32	32							412	657	598	1200	68	102	10.9
13	33	33							510	813	784	1570	81	123	11.6
16	38	31	22			5			775	1230	1180	2350	112	182	19.7
20	43	36	24	0.03	0.04	5	0.03	0.04	882	1400	1370	2740	167	247	26.8
25	51	40	32			6			980	1560	1570	3140	325	525	43.4
30	60	49	35						1570	2490	2740	5490	388	645	82.8
35	67	55	38	0.04	0.045		0.04	0.045	1670	2650	3140	6270	575	945	110
40	78	64	45						2160	3430	4020	8040	913	1423	147
50	98	76	62						3820	6080	7940	15900	2037	3437	397

Product Features

Linear bearings are linear motion guiding mechanisms used in conjunction with linear guide shafts. The steel balls circulate and roll along the track grooves formed by the outer shell and the retainer, allowing the linear bearing to move back and forth linearly relative to the guide shaft.
The rolling of the steel balls enables highly efficient movement with low friction resistance.

Feature 1: Up to 60% price reduction compared to MISUMI standard products
Feature 2: High durability and low noise

■Test Conditions
· Linear bearing (inner diameter 16) used with MISUMI guide shaft (PSFJ), subjected to a 63 kg load and run for 30 km to check for product damage and sliding noise.
Product Feature Image

■Test Results
The economy model ensures smooth ball movement, with good durability and low noise.
Product Feature Image

*Market-available products refer to similar items randomly purchased by our company from online or offline markets.
*Experimental data is based on our company’s testing and is for reference only.

Usage Method

Product Drawings	Instructions for use
	When 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.
	Linear 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.
	Linear bearing is not suitable for repeated plugging and unplugging.
	When 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, apply grease to the ball rows inside the linear bearing, and replenish as needed thereafter. The grease forms an oil film on the surface of the steel balls and the rolling surfaces (guide shaft and bushing) in the linear bearing, effectively reducing friction and preventing seizure. A decrease or deterioration of grease can greatly affect the service life of the linear bearing.
(2) Recommended grease: lithium soap-based grease.
(3) Recommended greasing interval: typically every 6 months.
(4) If the travel distance is long, it is recommended to grease every 3 months, or if the travel distance exceeds 1000 km within the interval, use 1000 km as the standard.
(5) When the linear bearing is subjected to a large moment load (eccentric load), a single bushing type is not suitable. It is recommended to use a double bushing type or multiple single bushing types.

■ Dust Protection Measures:
If dust or foreign matter enters the inside of the linear bearing, it may damage the circulation of the steel balls, which can lead to unexpected failures. When used in harsh environments, please additionally install dust covers and protective covers.

■ MISUMI linear bearings are recommended to be used with hardened guide shafts with g6 tolerance.

■ MISUMI linear bearings are recommended to be installed in housings with H7 tolerance. The linear bearing and the housing have a clearance fit.

Example of Use

Equipment Name:
Transfer Direction Change Mechanism

Design Purpose:
To change the transfer direction of workpieces conveyed by the conveyor belt by 90°

Part Application Description:
By working together with the cylinder, it enables changing the direction of workpiece transfer.

Application Industries

Electronics and Electrical Appliances	Automotive	Lithium batteries

LCD	Smartphones	Semiconductors

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.

CAD Download

: 30; 45; 60

Part Number
E-LBHM20UU

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve 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)	Style of Mounting Hole
	MYR 26.20	1 Piece(s)	Available	1 Day(s)	20	42	[Surface Treatment] Electroless Nickel Plating	32	Single	Single	30	882	1370	-0.015	Standard Counterbore Hole

Dimensional Drawing

Basic Information

Type	Flange	Flange Type	Standard Flange	Style	Standard
Outer Sleeve Material	SUJ2 Equivalent	Lubrication Type	Not Provided	Accuracy	Standard Grade
Motion	Linear	Types	Standard Flange	Ball Material	SUJ2 Equivalent
Retainer Material	Plastic	Seal	Provided	Greased Filled	Not Provided
Flange Shape	Double-sided Cutting Flange

Please check the type/dimensions/specifications of the part E-LBHM20UU in the Compact Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

type
- C-LBH
- C-LBHM
- C-LBHZ
- C-LMH
- E-LBH
- E-LBHL
- E-LBHM
- E-LBHZ
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

192
Clear
Outer Sleeve 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)
20

24

25

28

30

40

45
Clear
Style of Mounting Hole
- Reverse Counterbore Hole
- Standard Counterbore Hole
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

5 Day(s) or Less

6 Day(s) or Less

9 Day(s) or Less

10 Day(s) or Less

20 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: Is there a product stamp or marking on the linear bushing itself?: Answer: No, linear bushings do not have any product model stamped directly on the bushing body. Instead, the product model or part number is clearly labelled on the packaging box for easy identification during inventory or installation. Always check the label before opening or using the product.
Question: How should linear bushings be maintained regularly for optimal performance?: Answer: MISUMI recommends that linear bushings be lubricated with grease periodically to maintain smooth motion and prevent wear.
•For general use, reapply grease every 6 months.
•If the moving distance exceeds 1000 km within that period, lubrication should be done at the 1000 km mark.
•In high-duty applications or where stroke distance is long, grease should be replenished every 3 months.
•Proper lubrication greatly enhances the life and performance of flanged linear bushings and other linear motion components.
Question: What is the rust resistance of different surface finishes on linear bushings?: Answer: The anti-rust ability of linear bushings varies by surface treatment. From strongest to weakest:
•Nickel-plated (No-Electro) – Best corrosion resistance
•No surface treatment – Standard, more susceptible to rust
Bearings made from standard-grade steel are prone to corrosion if not maintained, so it’s essential to apply anti-rust oil regularly, especially in humid or corrosive environments.
Question: What’s the difference between single liner and double liner types of linear bushings?: Answer: The single liner type contains one row of steel balls, while the double liner type includes two rows, effectively increasing its load capacity and stability.
•Double liner bushings are typically longer than single liner variants.
•They offer reduced radial play, greater load rating, and better durability. This distinction is particularly relevant in selecting Compact Flanged Linear Bushings for high-precision or load-bearing applications.
Question: Some linear bushings have tight fits with the guide shaft, while others seem loose. Will clearance affect performance?: Answer: No, clearance between the linear bushing and guide shaft is normal and expected due to their point-contact rolling structure using circulating steel balls.
•This structure reduces friction and allows smooth linear motion.
•Slight clearance does not impact functionality and is designed to prevent jamming or misalignment.
Even in flanged linear bushings, this clearance helps absorb misalignment and ensures long service life.
Question: What should I do if the linear bushing appears oily when received?: Answer: All linear bushings are coated with anti-rust oil (except those pre-filled with MX grease) before shipment to prevent oxidation.
•This oil has minimal impact on new grease but should be removed before final assembly.
•Clean the bushing with a solvent or lint-free cloth, allow it to dry, then apply fresh grease.
This process ensures consistent lubrication and optimal performance of your Compact Flanged Linear Bushings.
Question: Can linear bushings be used in rotational applications?: Answer: No, linear bushings are not structurally designed for rotational motion. Their internal rolling ball design supports linear movement only.
•Forcing rotation can cause premature wear or mechanical failure.
•If your application requires both rotation and linear motion, consider linear rotary bushings or specialized flanged linear bushing variants with rotational capabilities.

Check other FAQ (4 items) Hide

Products like this...

Part Number
C-LMH25UU
C-LMH30UU
E-LBH10LUU
E-LBHM25LUU
E-LBHM25UU
E-LBHM30LUU

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve 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)	Style of Mounting Hole
MYR 20.58	1 Piece(s)	Available	1 Day(s)	25	59	No Surface Treatment	40	Single	Single	30	980	1570	-0.021	Standard Counterbore Hole
MYR 28.90	1 Piece(s)	Available	1 Day(s)	30	64	No Surface Treatment	45	Single	Single	30	1570	2740	-0.021	Standard Counterbore Hole
MYR 29.10	1 Piece(s)	Available	5 Day(s)	10	55	No Surface Treatment	19	Double	Double	30	588	1100	-0.013	Standard Counterbore Hole
MYR 56.12	1 Piece(s)	Available	1 Day(s)	25	112	[Surface Treatment] Electroless Nickel Plating	40	Double	Double	40	1560	3140	-0.015	Standard Counterbore Hole
MYR 35.50	1 Piece(s)	Available	1 Day(s)	25	59	[Surface Treatment] Electroless Nickel Plating	40	Single	Single	30	980	1570	-0.015	Standard Counterbore Hole
MYR 67.12	1 Piece(s)	Available	1 Day(s)	30	123	[Surface Treatment] Electroless Nickel Plating	45	Double	Double	40	2490	5490	-0.015	Standard Counterbore Hole

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Compact Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole (E-LBHM20UU)

Economy Compact Flanged Linear Bushing

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Inscribed Circle Dia. dr(Ø)

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Outer Dia. D(Ø)

Ball Recirculating Type

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Eccentricity(µm)

Style of Mounting Hole

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Guide Shaft Straight Rod Type		Economy Linear Bearing Standard Type Single Bushing Type		Retaining Ring Open Type