What are oil free bushings and what are their features?

Plain bearings where the body of the bushing is saturated with lubricant and can be used 'without oil' or 'with a reduced oil supply'. Oil free bushings have the following features: 1. Low maintenance frequency; 2. Suitable for low speed and heavy load situations, compared with ball linear bearings; 3. Can also be used under harsh conditions of high temperature and low temperature; 4. Thinner and space saving, compared with linear bearings; 5. Can be used for both linear and rotational motions.

What are the materials and features of MISUMI oil free bushings?

MISUMI oil free bushings are available in 5 types, i.e. copper alloy, bronze casting, dry, resin, and casting. Copper alloy (metal type), excellent resistance to high temperature, chemicals and shock, suitable for heavy duty and low speed operation. Bronze casting (metal type) with excellent sinter resistance, enabling slight movements, suitable for low load and high speed operation. Dry type (composite layer type), high temperature resistant, suitable for heavy duty and low speed operation, thin-walled and compact. Resin (resin type), high temperature and chemical resistant (tetrafluoroethylene resin), complying with food sanitation law, suitable for low load and low speed operation. Castings (metal type), suitable for medium load and low speed operation.

What are the types of MISUMI oil-free bushings available?

There are straight type, shouldered type, thrust type, flange integrated type, flange type housing unit (built-in copper alloy bushing), and threaded sleeve type (built-in copper alloy bushing).

Please note that the MISUMI Pune office and warehouse will be closed on November 20th due to the state election.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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E-MJBZ-1820-20

type Type Inner Dia. d Outer Dia. D Overall Length L CAD Days to Ship

Specification/Dimensions

type
- E-MJBZ
- E-MJFZ
Clear
Type
- Straight
- Flanged
Clear
Inner Dia. d(Ø)
3

4

5

6

8

10

12

14

15

16

18

20

22

25

28

30

32

35

40

45

50

60
Clear
Outer Dia. D(Ø)
4.5

5.5

6

7

8

10

12

14

16

17

18

20

23

25

26

28

32

34

36

39

44

50

55

65
Clear
Overall Length L(mm)
3

4

5

6

7

8

9

10

11

11.5

12

15

16

17

20

25

26

30

37

40
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Resin Oli Free Bushing, Abrasion Resitance(POM)【10-50 Pieces Per Package】 (E-MJBZ-1820-20)

Name: Resin Oli Free Bushing, Abrasion Resitance(POM)
Brand: MISUMI
Price: 3434 INR
Availability: InStock

Resin Oli Free Bushing, Abrasion Resitance(POM) (E-MJBZ-1820-20)

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MISUMI

MiSUMi Economy

MISUMI

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Product Overview of Oil Free Bushings

・Oil Free Bushings has such features as excellent self-lubrication, wear resistance, and low friction coefficient. Normal operation is enabled even with poor lubrication.
・Oil Free Bushings, a metal replacement used as the material of oil free bushings, have major advantages: lubrication and maintenance free, longer service life, good corrosion resistance performance, high cost effectiveness, etc..
・Oil Free Bushings bearings are suitable for clean room and contaminated environments, as well as vacuum and high-humidity environments.

Product Features of Oil Free Bushings

1. Highly abrasion resistant and low abrasion Oil Free Bushings, suitable for operating under high-speed and medium-to-low load conditions.
2. Lower friction coefficient, allowing normal use for dry-running or less sticky surfaces.
3. Oil Free Bushings Max. operating temperature +90℃ (short-term +120℃), min. operating temperature -50℃.
4. Outstanding vibration absorption, high abrasion resistance, high chemical resistance and other features.

Dimensional Drawing of Oil Free Bushings

(Unit: mm)

Recommended to be used for pressing in and fixing the Oil Free Bushings.

Material of Oil Free Bushings: POM

Specification Table of Oil Free Bushings

Part Number of Oil Free Bushings		Total Length L														d (Tolerance after pressing-in)		D	F	T
Type of Oil Free Bushings	No.	Total Length L														d (Tolerance after pressing-in)		D	F	T
E-MJBZ (Oil Free Bushings Straight Type) E-MJFZ (Oil Free Bushings Shouldered Type)	0304	03*		05												3	+0.014 +0.054	4.5	7.5	0.75
	0405	03*	(04)		06*		(08)									4	+0.020 +0.068	5.5	9.5	0.75
	0506			05*												5		6	10	0.5
	0507			05					(10)							5		7	11	1
	0608		04*		06		08		10							6		8	12	1
	0810			05*	06*	07*	08		10	(12)						8	+0.025 +0.083	10	15	1
	0812								(10)							8	+0.040 +0.130	12	－	－
	1012			05*	(06)			09*	10	12*	15			(20)		10	+0.025 +0.083	12	18	1
	1014								(10)			(16)				10	+0.040 +0.130	14	－	－
	1214			05*		07*		09*	(10)	12*	15					12	+0.032 +0.102	14	20	1
	1216									(12)						12	+0.050 +0.160	16	－	－
	1416										(15)		17*			14	+0.032 +0.102	16	22	1
	1517		04*					09*		12*			17*			15		17	23
	1618									(12)	(15)		17*	(20)		16		18	24
	1620											(16)				16	+0.050 +0.160	20	－	－
	1820		04*													18	+0.032 +0.102	20	26	1
	2026										15*			20*		20	+0.065 +0.195	26	32	3
	3034														26*	30	+0.040 +0.124	34	42	2

Dimensions Oil Free Bushings L with ( ) is only for the straight type

Dimensions Oil Free Bushings L with * is only for the shouldered type

Usage Method of Oil Free Bushings

Example Use of Oil Free Bushings
Usage Method 1

Specifications Overview of Oil Free Bushings

Example Use of Oil Free Bushings

Part Number

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

: 30; 45; 60

Part Number
E-MJBZ-1820-20

Part Number	Price	Minimum Order Qty.	Number of pc(s). included in pkg.	Volume Discount	Days to Ship	RoHS	Type	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
	₹ 3,434.00	1 Pack(s)	50 Pieces Per Package	Available	Same day	10	Straight	18	20	20

Dimensional Drawing

(Unit: mm)

Recommended to be used for pressing in and fixing the bushing.

Material: POM

Specification Table

Part Number		Total Length L														d (Tolerance after pressing-in)		D	F	T
Type	No.	Total Length L														d (Tolerance after pressing-in)		D	F	T
E-MJBZ (Straight Type) E-MJFZ (Shouldered Type)	0304	03*		05												3	+0.014 +0.054	4.5	7.5	0.75
	0405	03*	(04)		06*		(08)									4	+0.020 +0.068	5.5	9.5	0.75
	0506			05*												5		6	10	0.5
	0507			05					(10)							5		7	11	1
	0608		04*		06		08		10							6		8	12	1
	0810			05*	06*	07*	08		10	(12)						8	+0.025 +0.083	10	15	1
	0812								(10)							8	+0.040 +0.130	12	－	－
	1012			05*	(06)			09*	10	12*	15			(20)		10	+0.025 +0.083	12	18	1
	1014								(10)			(16)				10	+0.040 +0.130	14	－	－
	1214			05*		07*		09*	(10)	12*	15					12	+0.032 +0.102	14	20	1
	1216									(12)						12	+0.050 +0.160	16	－	－
	1416										(15)		17*			14	+0.032 +0.102	16	22	1
	1517		04*					09*		12*			17*			15		17	23
	1618									(12)	(15)		17*	(20)		16		18	24
	1620											(16)				16	+0.050 +0.160	20	－	－
	1820		04*													18	+0.032 +0.102	20	26	1
	2026										15*			20*		20	+0.065 +0.195	26	32	3
	3034														26*	30	+0.040 +0.124	34	42	2

Dimensions L with ( ) is only for the straight type

Dimensions L with * is only for the shouldered type

Basic Information

Environment	Standard / Foreign Object Resistant / Vibration Resistant / In Oil / In Water / In Seawater	Resin Type	Resin type (polyacetal)	Mounting Hole Fits	H7
Lubrication	Unlubricated

Please check the type/dimensions/specifications of the part E-MJBZ-1820-20 in the Resin Oli Free Bushing, Abrasion Resitance(POM) 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: What are oil free bushings and what are their features?: Answer: Plain bearings where the body of the bushing is saturated with lubricant and can be used "without oil" or "with a reduced oil supply".
Oil free bushings have the following features:
1. Low maintenance frequency;
2. Suitable for low speed and heavy load situations, compared with ball linear bearings;
3. Can also be used under harsh conditions of high temperature and low temperature;
4. Thinner and space saving, compared with linear bearings;
5. Can be used for both linear and rotational motions.
Question: What are the materials and features of MISUMI oil free bushings?: Answer: MISUMI oil free bushings are available in 5 types, i.e. copper alloy, bronze casting, dry, resin, and casting.
Copper alloy (metal type), excellent resistance to high temperature, chemicals and shock, suitable for heavy duty and low speed operation.
Bronze casting (metal type) with excellent sinter resistance, enabling slight movements, suitable for low load and high speed operation.
Dry type (composite layer type), high temperature resistant, suitable for heavy duty and low speed operation, thin-walled and compact.
Resin (resin type), high temperature and chemical resistant (tetrafluoroethylene resin), complying with food sanitation law, suitable for low load and low speed operation.
Castings (metal type), suitable for medium load and low speed operation.
Question: What are the types of MISUMI oil-free bushings available?: Answer: There are straight type, shouldered type, thrust type, flange integrated type, flange type housing unit (built-in copper alloy bushing), and threaded sleeve type (built-in copper alloy bushing).

Product variants

Part Number
E-MJBZ-0405-08
E-MJBZ-0507-05
E-MJBZ-0507-10
E-MJBZ-2023-15
E-MJBZ-2023-20
E-MJBZ-2023-25

Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Type	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
₹ 2,215.00	50 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	4	5.5	8
₹ 2,215.00	50 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	5	7	5
₹ 2,484.00	50 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	5	7	10
₹ 3,434.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	20	23	15
₹ 3,434.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	20	23	20
₹ 3,434.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	Straight	20	23	25

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