How is linear bearing maintained regularly?

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.

Comparison of antirust ability of linear bearings?

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.

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E-LBF20DUU

type Inscribed Circle Dia. dr Overall Length L Outer Cylinder Surface Treatment Outer Dia. D Eccentricity CAD Days to Ship

Specification/Dimensions

type
- C-LMF□DMUU
- C-LMF□DUU
Clear
Inscribed Circle Dia. dr(Ø)
6

8

10

12

16

20

25

30
Clear
Overall Length L(mm)
29

37

47

56

65

83

90
Clear
Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
  - Electroless Nickel Plating
Clear
Outer Dia. D(Ø)
12

15

19

21

28

32

40

45
Clear
Eccentricity(µm)
0.018

0.025
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Round Flanged Linear Bushings, Medium (E-LBF20DUU)

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MiSUMi Economy

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Product Description

Round Flanged Linear Bushings, Medium
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.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 6 and 30
● Overall Length Minimum/Maximum (mm.): 29 and 90
● Shape : Round Flanged
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Economy Round Flanged Linear Bushing

Optimized Space High-efficiency Cost-effective

- Efficient round flanged design for optimized space usage.

- Available in multiple sizes

- High-precision SUJ2 equivalent housing and ball material.

- Low friction resistance for high-efficiency movement.

- Cost-effective alternative to more expensive guides.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview of Linear Bushings

The flanged Linear Bushings, linear bearing integrates the linear bearing with the support, which is compact in structure and easy to assemble to the mechanism accurately and simply.
With an overall length about 1.5 times and allowable moment about 4.3 times that of the single liner type, it is an ideal choice when there is no sufficient space for the double liner type.

Product Features of 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.

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: With an overall length about 1.5 times and allowable moment about 4.3 times that of the single liner type, it is an ideal choice when there is no sufficient space for the double liner type.
Linear Bushings Feature 3: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
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

Specifications Overview of Linear Bushings

■Material Specification Table of Linear Bushings

Housing			Ball	Retainer	Operating Environment Temperature	Accessories
Material	Hardness	Surface Treatment	Material	Material
Equivalent to SUJ2	58HRC～	-	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber
		Electroless Nickel Plating

If 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 Bushings	Instructions for use Linear Bushings
	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 Bushings 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 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.

■ Linear Bushings 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.

Application Industries of Linear Bushings

Electronic & Electrical Appliances	Automotive	Lithium battery

LCD	Smart phone	Semiconductor

Related Products of Linear Bushings

Linear Bushings Straight Single / Double		Compact Flanged Linear Bushings, Single / Double / Opposite Couterbored Hole		Round Flanged Linear Bushings, Single / Double / Opposite Couterbored Hole

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
E-LBF20DUU

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inscribed 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)
	₹ 951.58	1 Piece(s)	Available	Same day	10	20	65	No Surface Treatment	32	0.025	1554	2068

Dimensional Drawing

Specification Table

■Material Specification Table

Housing			Ball	Retainer	Operating Environment Temperature	Accessories
Material	Hardness	Surface Treatment	Material	Material
Equivalent to SUJ2	58HRC～	-	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber
		Electroless Nickel Plating

■Dimension Specification Table

Part Number		D Tolerance			L		H	T	d	d₁	t	P.C.D.	Lateral Misalignment (maximum)	Number of ball rows	＊ Perpendicularity	Basic Rated Load		Allowable Static Moment (N·m)	Weight (g)
dr	Tolerance		No Surface Treatment	With Surface Treatment		Tolerance										C (Dynamic) N	Co (Static) N		Round Flanged
6	0 -0.012	12	0 -0.013	0 -0.018	29	±0.4	28	5	3.5	6	3.1	20	0.018	4	0.018	226	310	1.42	27
8		15			37		32					24				310	452	2.12	47
10		19	0 -0.016	0 -0.023	47		40	6	4.5	7.5	4.1	29				508	718	4.37	85
12		21					42					32				634	814	6.2	89
16		28	0 -0.018	0 -0.025	56		48					38		5	0.02	1164	1448	13.1	157
20	0 -0.015	32	0 -0.021	0 -0.028	65		54	8	5.5	9	5.1	43	0.025		0.025	1554	2068	18.3	232
25		40			83		62					51		6		1725	3068	25.3	479
30	0 -0.018	45			90		74	10	6.6	11	6.1	60				2440	3974	42.7	559

Basic Information

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

Please check the type/dimensions/specifications of the part E-LBF20DUU in the Round Flanged Linear Bushings, Medium series.

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

Frequently asked question (FAQ)

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.
Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.

Product variants

Part Number
E-LBF12DUU
E-LBF16DMUU
E-LBF16DUU
E-LBF25DMUU
E-LBF25DUU
E-LBF30DMUU

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inscribed 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)
₹ 724.00	1 Piece(s)	Available	Same day Stock	10	12	47	No Surface Treatment	21	0.018	634	814
₹ 883.00	1 Piece(s)	Available	Same day Stock	10	16	56	[Surface Treatment] Electroless Nickel Plating	28	0.018	1164	1448
₹ 782.00	1 Piece(s)	Available	Same day Stock	10	16	56	No Surface Treatment	28	0.018	1164	1448
₹ 1,832.99	1 Piece(s)	Available	Same day Stock	10	25	83	[Surface Treatment] Electroless Nickel Plating	40	0.025	1725	3068
₹ 1,660.00	1 Piece(s)	Available	Same day Stock	10	25	83	No Surface Treatment	40	0.025	1725	3068
₹ 2,012.00	1 Piece(s)	Available	Same day Stock	10	30	90	[Surface Treatment] Electroless Nickel Plating	45	0.025	2440	3974

For usage method, refer to		Clickhere
For anti-rust performance of metal materials and surface treatment, refer to		Clickhere

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