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Square Flanged Linear Bushings With Pilot, Single / Double (E-LBKP20LUU)

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E-LBKP20LUU

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Economy Square Flanged Linear Bushing with Pilot

SecureHigh PrecisionEconomical

- Square flange with pilot for secure and accurate mounting.

- Supports a range of shaft diameters

- High durability and low noise operation.

- Available in single and double ball recirculating types.

- Economical solution with high precision for factory automation systems.

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.
Linear Bushing Change

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

Part Number

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Part Number
E-LBKP20LUU

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)	Accuracy	Ball Recirculating Type	Length	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)
	MYR 36.26	1 Piece(s)	Available	1 Day(s)	20	80	No Surface Treatment	32	High Grade	Double	Double	40	1400	2740

Specification Table

■Material Specification Table of Linear Bushings

Ball Retainer	Type	Housing			Ball	Retainer	Ambient Operating Temperature	Accessories：Seal Ring
		Material	Hardness	Surface Treatment	Material	Material		Material
Single	E－LBKP□□UU	Equivalent to SUJ2	58HRC～	－	Equivalent to SUJ2	Resin	－20～80℃	Nitrile Rubber (-20 to 120℃)
Double	E－LBKP□□LUU
Single	E－LBKPM□□UU			Electroless Nickel Plating
Double	E－LBKPM□□LUU

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

		Part Number (Type ・Diameter of Inscribed Circle dr ・Ball Retainer)
		E-LBKP8UU E-LBKPM20LUU

■Dimension Specification Table

Part Number					O.D			Overall Length L			ℓ	H	T	d	d₁
Type	dr			Ball Retainer
		Tolerance			O.D.D	Tolerance		Single	Double	Tolerance
		Single	Double			No Surface Treatment	With Surface Treatment
E－LBKP E－LBKPM	6	0 －0.009	0 －0.010	UU (Single) LUU (Double)	12	0 －0.025	0 －0.020	19	35	±0.3	5	28	5	3.5	6
	8				15			24	45			32
	10				19			29	55		6	40	6	4.5	7.5
	12				21			30	57			42
	13				23			32	61			43
	16				28			37	70			48
	20	0 －0.010	0 －0.012		32	0 －0.035	0 －0.030	42	80		8	54	8	5.5	9
	25				40			59	112			62
	30				45			64	123		10	74	10	6.6	11
	35	0 －0.012	0 －0.015		52			70	135			82
	40				60			80	151		13	96	13	9	14
	50				80			100	192			116

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

Adjusting Ring.

dr	t	P.C.D.	W	Eccentricity (Max.)		Rows of balls	Perpendicularity		Basic Load Rating				Double Type Allowable Static Moment （N·m）	Mass(g)
				Eccentricity (Max.)			Perpendicularity		Basic Load Rating
				Single	Double		Single	Double	C (Dynamic) N		Co (Static) N
				Single	Double		Single	Double	Single	Double	Single	Double		Single	Double
6	3.1	20	22	0.024	0.03	4	0.035	0.040	206	324	265	529	2.18	18	25
8	3.1	24	25						265	431	380	784	4.31	29	43
10	4.1	29	30						372	588	549	1100	7.24	52	78
12		32	32						412	657	598	1200	10.9	57	90
13		33	34						500	810	770	1570	11.6	72	108
16		38	37			5			775	1230	1180	2350	19.7	104	165
20	5.1	43	42	0.030	0.040	5			882	1400	1370	2740	26.8	145	225
25	5.1	51	50			6			980	1560	1570	3140	43.4	300	500
30	6.1	60	58						1570	2490	2740	5490	82.8	375	590
35	6.1	67	64				0.045	0.050	1670	2650	3140	6470	110	560	930
40	8.1	78	75	0.040	0.050		0.045	0.050	2160	3430	4020	8040	147	880	1380
50	8.1	98	92	0.040	0.050		0.05	0.055	3820	6080	7940	15900	397	2000	3400

Usage Method of Linear Bushings

Product Drawings of Linear Bushings	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 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

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

Dimensional Drawing

Counterbored Hole Type	Type	Housing			Ball	Retainer	Operating environment temperature	Accessory: Seal ring
		Material	Hardness	Surface Treatment	Material	Material		Material
Single Liner Type	E-LBKP□□UU	Equivalent to SUJ2	58HRC～	－	Equivalent to SUJ2	Resin	-20 to 80°C	Nitrile Rubber
Double Liner Type	E-LBK□□LUU
Single Liner Type	E-LBKPM□□UU			Electroless Nickel Plating
Double Liner Type	E-LBKPM□□LUU

Specification Table

Part Number					Outer Diameter D			Total length L			ℓ	H	T	d	d₁	t	P.C.D.	W	Eccentricity (Max)		Number of ball rows	Verticality		Basic Rated Load				Double-shim type static allowable torque (N⋅m)	Co (Static) N
Type	Inscribed Circle Diameter dr			Shape
		Tolerance				Tolerance		Single Liner Type	Double Liner Type	Tolerance									Single Liner Type	Double Liner Type		Single Liner Type	Double Liner Type	C (Dynamic) N		Co (Static) N
		Single Liner Type	Double Liner Type			No Surface Treatment	With Surface Treatment																	Single Liner Type	Double Liner Type	Single Liner Type	Double Liner Type		Single Liner Type	Double Liner Type
E-LBKP E-LBKPM	6	0 -0.009	0 -0.010	UU (Single bushing type) LUU (Double bushing type)	12	0 -0.025	0 -0.020	19	35	±0.3	5	28	5	3.5	6	3.1	20	22	0.024	0.03	4	0.035	0.040	206	324	265	529	2.18	18	25
	8				15			24	45			32					24	25						265	431	380	784	4.31	29	43
	10				19			29	55		6	40	6	4.5	7.5	4.1	29	30						372	588	549	1100	7.24	52	78
	12				21			30	57			42					32	32						412	657	598	1200	10.9	57	90
	13				23			32	61			43					33	34						500	810	770	1570	11.6	72	108
	16				28			37	70			48					38	37			5			775	1230	1180	2350	19.7	104	165
	20	0 -0.010	0 -0.012		32	0 -0.035	0 -0.030	42	80		8	54	8	5.5	9	5.1	43	42	0.030	0.040				882	1400	1370	2740	26.8	145	225
	25				40			59	112			62					51	50			6			980	1560	1570	3140	43.4	300	500
	30				45			64	123		10	74	10	6.6	11	6.1	60	58						1570	2490	2740	5490	82.8	375	590
	35	0 -0.012	0 -0.015		52			70	135			82					67	64				0.045	0.050	1670	2650	3140	6470	110	560	930
	40				60			80	151		13	96	13	9	14	8.1	78	75	0.040	0.050				2160	3430	4020	8040	147	880	1380
	50				80			100	192			116					98	92				0.05	0.055	3820	6080	7940	15900	397	2000	3400

Basic Information

Type	Flange	Flange Type	Male-Female Joint Flanged	Style	Standard
Outer Sleeve Material	SUJ2 Equivalent	Lubrication Type	Not Provided	Motion	Linear
Types	Pilot Flanged	Flange Shape	Square Flange	Ball Material	Equivalent to SUJ2
Retainer Material	Resin	Seal	With Seal	Greased Filled	Not Provided

Please check the type/dimensions/specifications of the part E-LBKP20LUU in the Square Flanged Linear Bushings With Pilot, Single / Double series.

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Specification/Dimensions

Inscribed Circle Dia. dr(Ø)
6

8

10

12

13

16

20

25

30

35

40

50
Clear
Overall Length L(mm)
19

24

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)
12

15

19

21

23

28

32

40

45

52

60

80
Clear
Accuracy
- Standard Grade
- High Grade
Clear
Ball Recirculating Type
- Single
- Double
Clear
Length
- Single
- Double
Clear
Eccentricity(µm)
24

30

40

50
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

6 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: 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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E-LBKP12UU
E-LBKP13LUU
E-LBKP13UU
E-LBKP20UU
E-LBKP25LUU
E-LBKP25UU

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)	Accuracy	Ball Recirculating Type	Length	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)
MYR 19.76	1 Piece(s)	Available	6 Day(s)	12	30	No Surface Treatment	21	High Grade	Single	Single	24	412	598
MYR 44.65	1 Piece(s)	Available	6 Day(s)	13	61	No Surface Treatment	23	Standard Grade	Double	Double	30	810	1570
MYR 31.72	1 Piece(s)	Available	6 Day(s)	13	32	No Surface Treatment	23	Standard Grade	Single	Single	24	500	770
MYR 24.34	1 Piece(s)	Available	6 Day(s)	20	42	No Surface Treatment	32	High Grade	Single	Single	30	882	1370
MYR 51.10	1 Piece(s)	Available	6 Day(s)	25	112	No Surface Treatment	40	High Grade	Double	Double	40	1560	3140
MYR 30.68	1 Piece(s)	Available	6 Day(s)	25	59	No Surface Treatment	40	High Grade	Single	Single	30	980	1570

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Square Flanged Linear Bushings With Pilot, Single / Double (E-LBKP20LUU)

Economy Square Flanged Linear Bushing with Pilot

Product Overview of Linear Bushings

Product Features of Linear Bushings

Dimensional Drawing of Linear Bushings

Part Number

Usage Method of Linear Bushings

Precautions of Linear Bushings

Related Documents of Linear Bushings

Application Industries of Linear Bushings

Related Products of Linear Bushings

Basic Information

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Specification/Dimensions

Inscribed Circle Dia. dr(Ø)

Overall Length L(mm)

Outer Sleeve Surface Treatment

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Accuracy

Ball Recirculating Type

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CAD

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