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-LBKC6LUU

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

Specification/Dimensions

Inscribed Circle Dia. dr(Ø)
6

8

10

12

16

20

25

30

40
Clear
Overall Length L(mm)
35

45

55

57

70

80

112

123

151
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

60
Clear
Eccentricity(µm)
0.04

0.050
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Square, Center Flanged Linear Bushings, Double (E-LBKC6LUU)

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Brand :

MiSUMi Economy

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Product Description

Square, Center Flanged Linear Bushings, 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.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 6 and 40
● Overall Length Minimum/Maximum (mm.): 35 and 151
● Shape : Square Flanged
● Ball Recirculating Type : Double
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Economy Square Center Flanged Double Linear Bushing

StabilityLong-LastingSmooth Motion

- Robust square flange for enhanced stability.

- Wide range of sizes to suit different applications.

- High-quality SUJ2 equivalent material for long-lasting performance.

- Double ball recirculating type for smooth motion.

- Ideal for packaging machines and robotic equipment.

Economy Square Center Flanged Double Linear Bushing

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 middle flanged linear bearing allows workpieces to be installed near the center of the linear bearing body, ensuring good balance on two sides of the flange, as well as decentralized load space.

Product Features 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.

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, and the retainer is made of stainless steel for harsh conditions or resin for low noise.
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

When this product of Linear Bushings is initially delivered, its color may be partially inconsistent with the photo, in which case the actual product shall prevail, without prior notice.

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～	No Surface Treatment Electroless Nickel Plating	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber (-20 to 120℃)

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 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 Bushings, 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

Compact Flanged Linear Bushings, Single / Double / Opposite Couterbored Hole		Round Flanged Linear Bushings, Single / Double / Opposite Couterbored Hole		Square 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-LBKC6LUU

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)
	₹ 740.57	1 Piece(s)	Available	Same day	10	6	35	No Surface Treatment	12	0.04	324	529

Dimensional Drawing

When this product is initially delivered, its color may be partially inconsistent with the photo, in which case the actual product shall prevail, without prior notice.

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～	No Surface Treatment Electroless Nickel Plating	Equivalent to SUJ2	Resin	-20 to 80℃	Seal packing Material Nitrile Rubber (-20 to 120℃)

■Dimension Specification Table

dr		D Tolerance			L		ℓ	H	T	d	d₁	t	P.C.D.	W	Lateral misalignment	Number of ball rows	* Perpendicularity	Basic Rated Load		Static allowable (N·m)	Weight (g)
I.D.	Tolerance		No Surface Treatment	With Surface Treatment		Tolerance	ℓ	H	T	d	d₁	t	P.C.D.	W	Lateral misalignment	Number of ball rows	* Perpendicularity	C (Dynamic) N	Co (Static) N	Static allowable (N·m)	Square Flanged
6	0 -0.010	12	0 -0.025	0 -0.020	35	±0.3	15	28	5	3.5	6	3.1	20	22	0.030	4	0.04	324	529	2.18	25
8		15			45		20	32	5	3.5	6	3.1	24	25				431	784	4.31	43
10		19			55		24.5	40	6	4.5	7.5	4.1	29	30				588	1100	7.24	78
12		21			57		25.5	42					32	32				657	1200	10.9	90
16		28			70		32	48					38	37		5		1230	2350	19.7	165
20	0 -0.012	32	0 -0.035	0 -0.030	80		36	54	8	5.5	9	5.1	43	42	0.040	5		1400	2740	26.8	225
25		40			112		52	62	8	5.5	9	5.1	51	50		6		1560	3140	43.4	500
30		45			123		56.5	74	10	6.6	11	6.1	60	58				2490	5490	82.8	590
35	0 -0.014	52			135		62.5	82	10	6.6	11	6.1	67	64	0.050		0.05	2650	6270	110	930
40	0 -0.014	60			151		69	96	13	9	14	8.1	78	75	0.050		0.05	3430	8040	147	1380

If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating on other pages.

* 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	Center Flanged	Style	Standard
Outer Cylinder Material	SUJ2 Equivalent	Lubrication Type	Not Provided	Accuracy	High Grade
Ball Recirculating Type	Double	Motion	Linear	Types	Center Flanged
Length	Double	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-LBKC6LUU in the Square, Center Flanged Linear Bushings, Double 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-LBKC20LUU
E-LBKC25LUU
E-LBKC30LUU
E-LBKC8LUU
E-LBKCM10LUU
E-LBKCM12LUU

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)
₹ 1,432.00	1 Piece(s)	Available	Same day Stock	10	20	80	No Surface Treatment	32	0.04	1400	2740
₹ 1,620.55	1 Piece(s)	Available	Same day Stock	10	25	112	No Surface Treatment	40	0.04	1560	3140
₹ 2,200.00	1 Piece(s)	Available	Same day Stock	10	30	123	No Surface Treatment	45	0.04	2490	5490
₹ 759.93	1 Piece(s)	Available	Same day Stock	10	8	45	No Surface Treatment	15	0.04	431	784
₹ 922.65	1 Piece(s)	Available	Same day Stock	10	10	55	[Surface Treatment] Electroless Nickel Plating	19	0.04	588	1100
₹ 944.72	1 Piece(s)	Available	Same day Stock	10	12	57	[Surface Treatment] Electroless Nickel Plating	21	0.04	657	1200

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