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-LB6TUU

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

Specification/Dimensions

Inscribed Circle Dia. dr(Ø)
6

8

10

12

13

16

20
Clear
Overall Length L(mm)
16

20

25

30

35
Clear
Outer Dia. D(Ø)
12

15

19

21

23

28

32
Clear
Eccentricity(µm)
0.015

0.02
Clear
type
- C-LM□TUU
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Linear Bushings Straight Short

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MiSUMi Economy

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Product Description

Linear Bushings Straight Short
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 (mm.): 6, 8, 10, 12, 13, 16, and 20
● Overall Length (mm.): 16, 20, 25, 30, and 35
● Shape : Straight
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Economy SUJ2 Short Straight Linear Bushing

Space-savingAssured QualityOperating Environment

- Effective utilization of space in small mechanism designs.

- Selection based on operating environment, suitable for various conditions.

- Good interchangeability due to standardized sizing.

- Short length contributes to space-saving design.

- Assured quality at a lower price.

Economy SUJ2 Short Straight Linear Bushing

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

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: Selection can be made based on operating environment. The outer cylinder of the linear bearing is made of steel or stainless steel.
Linear Bushings Feature 3: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
Linear Bushings Feature 4: Overall length (L dimension) is shorter than the single liner type, which contributes to the space-saving design in the direction of L dimension.
Linear Bushings Feature 5: Appropriate specifications can be selected according to the conditions of use.
Linear Bushings Feature 6: The holder size can be reduced with the short linear bearing.
Linear Bushings Feature 7: More cost effective than the linear guide.
Linear Bushings Feature 8: The economy series linear bearing has assured quality at lower price.

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	Operating Environment Temperature	Accessories
Equivalent to SUJ2	58HRC～	-	Equivalent to SUJ2	Resin (Equivalent to DURACON M90)	-20 to 80℃	Seal packing Material Nitrile Rubber

Due to short guiding part, it is not suitable for applications where moment is applied.

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 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 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.

■ Due to short guiding part, the short linear bearing is not suitable for applications where moment is applied.

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-LB6TUU
E-LB8TUU
E-LB10TUU
E-LB12TUU
E-LB13TUU
E-LB16TUU
E-LB20TUU

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Dia. D (Ø)	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)
₹ 437.00	1 Piece(s)	Available	Same day	10	6	16	12	0.015	113	155
₹ 437.00	1 Piece(s)	Available	Same day	10	8	20	15	0.015	155	226
₹ 437.00	1 Piece(s)	Available	Same day	10	10	25	19	0.015	254	359
₹ 437.00	1 Piece(s)	Available	Same day	10	12	25	21	0.015	317	407
₹ 475.00	1 Piece(s)	Available	Same day	10	13	25	23	0.015	320	413
₹ 542.00	1 Piece(s)	Available	Same day	10	16	30	28	0.015	582	724
₹ 601.00	1 Piece(s)	Available	Same day	10	20	35	32	0.02	777	1034

Dimensional Drawing

Specification Table

■Material Specification Table

Housing			Ball	Retainer	Operating Environment Temperature	Accessories
Material	Hardness	Surface Treatment	Material	Material	Operating Environment Temperature	Accessories
Equivalent to SUJ2	58HRC～	-	Equivalent to SUJ2	Resin (Equivalent to DURACON M90)	-20 to 80℃	Seal packing Material Nitrile Rubber

■Dimension Specification Table

Part Number		D		L		Lateral Misalignment (maximum)	Number of ball rows	Basic Rated Load		Weight (g)
dr	Tolerance		Tolerance		Tolerance	Lateral Misalignment (maximum)	Number of ball rows	C (Dynamic) N	Co (Static) N	Weight (g)
6	0 -0.01	12	0 -0.011	16	0 -0.3	0.015	4	113	155	6.6
8	0 -0.01	15	0 -0.011	20	0 -0.3			155	226	14.7
10	0 -0.012	19	0 -0.016	25	0 -0.3			254	359	26.1
12	0 -0.012	21	0 -0.016		0 -0.3			317	407	28.6
13	0 -0.015	23	0 -0.018		0 -0.3			320	413	36.3
16	0 -0.015	28	0 -0.018	30	0 -0.3		5	582	724	60
20	0 0.018	32	0 -0.02	35	0 -0.35	0.02	5	777	1034	81.6

Due to short guiding part, it is not suitable for applications where moment is applied.

Basic Information

Type	Straight	Style	Standard	Outer Cylinder Material	SUJ2 Equivalent
Outer Cylinder Surface Treatment	No Surface Treatment	Lubrication Type	Not Provided	Accuracy	High Grade
Ball Recirculating Type	Single	Motion	Linear	Types	Straight
Length	Short	Ball Material	Equivalent to SUJ2	Retainer Material	Resin
Seal	Provided	Greased Filled	Not Provided

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.

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