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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Part Number Complete

E-LBKP20DMUU

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

Specification/Dimensions

type
- C-LMKP□DMUU
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 Dia. D(Ø)
12

15

19

21

28

32

40

45
Clear
Eccentricity(µm)
0.03

0.038
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Square Flanged Linear Bushings With Pilot, Medium (Part Number)

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MiSUMi Economy

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Economy Square Flanged Linear Bushing with Pilot

Robust DesignVersatileIndustrial

- Robust square flange for stable and secure installation.

- Available in various sizes

- Durable construction with SUJ2 equivalent material.

- Suitable for varied industrial applications.

- Excellent interchangeability with different shafts.

Economy Square Flanged Linear Bushing with Pilot

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.
The embedded flanged linear bearing does not extend to the opposite side of the mounting surface, so there is sufficient space on the opposite side of the mounting surface.

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: Good interchangeability. Linear bearings have good interchangeability because they can be used with shafts randomly.
Linear Bushings Feature 3: Overall length is about 1.5 times and allowable moment about 4.3 times that of the single liner type.
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	Operating Environment Temperature	Accessories
Equivalent to SUJ2	58HRC～	Electroless Nickel Plating	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber (-20 to 120℃)

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.
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 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; 60; 90

Part Number
E-LBKP20DMUU

Part Number	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)
	₹ 1,623.36	1 Piece(s)	Available	Same day	10	20	65	32	0.038	1554	2068

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～	Electroless Nickel Plating	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber (-20 to 120℃)

■Dimension Specification Table

Part Number		D		L		ℓ	H	T	d	d₁	t	P.C.D.	W	Lateral misalignment	Number of ball rows	* Perpendicularity	Basic Rated Load		Allowable Static Moment (N·m)	Weight (g)
dr	Tolerance		Tolerance		Tolerance												C (Dynamic) N	Co (Static) N		Square Flanged
6	0 -0.01	12	0 -0.021	29	±0.3	5	28	5	3.5	6	3.1	20	22	0.03	4	0.04	226	310	1.42	21
8		15		37			32					24	25				310	452	2.12	39
10		19	0 -0.023	47		6	40	6	4.5	7.5	4.1	29	30				508	718	4.37	65
12		21					42					32	32				634	814	6.2	69
16		28		56			48					38	37		5		1164	1448	13.1	132
20	0 -0.012	32	0 -0.028	65		8	54	8	5.5	9	5.1	43	42	0.038		0.04	1554	2068	18.3	197
25		40		83			62					51	50		6		1725	3068	25.3	442
30		45		90		10	74	10	6.6	11	6.1	60	58				2440	3974	42.7	482

* mark shows the verticality between Part D and the flange mounting surface.

For information on the flanged height adjusting ring, please refer to the

Adjusting Ring.

Basic Information

Type	Flange	Flange Type	Male-Female Joint Flanged	Style	Standard
Outer Cylinder Material	SUJ2 Equivalent	Outer Cylinder Surface Treatment	Electroless Nickel Plating	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Double	Motion	Linear
Types	Pilot Flanged	Length	Medium	Flange Shape	Square 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-LBKP20DMUU in the Square Flanged Linear Bushings With Pilot, 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-LBKP10DMUU
E-LBKP12DMUU
E-LBKP16DMUU
E-LBKP25DMUU
E-LBKP30DMUU
E-LBKP6DMUU

Standard Unit Price	Minimum order quantity	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)
₹ 1,468.00	1 Piece(s)	Available	Same day Stock	10	10	47	19	0.03	508	718
₹ 1,261.00	1 Piece(s)	Available	Same day Stock	10	12	47	21	0.03	634	814
₹ 1,683.00	1 Piece(s)	Available	Same day Stock	10	16	56	28	0.03	1164	1448
₹ 2,337.00	1 Piece(s)	Available	Same day Stock	10	25	83	40	0.038	1725	3068
₹ 2,859.00	1 Piece(s)	Available	Same day Stock	10	30	90	45	0.038	2440	3974
₹ 1,290.00	1 Piece(s)	Available	Same day Stock	10	6	29	12	0.03	226	310

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