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.

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E-SHTZ6-15

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

Specification/Dimensions

Inner Dia. d(Ø)
6

8

10

12

16

20

25

30
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Outer Dia. D(Ø)
10

12

14

18

22

28

33

38
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Overall Length L(mm)
15

20

25

30

35

40

50

60

70
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type
- E-SHTZ
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Special Brass Oil Free Bushings Round Flanged

Name: Special Brass Oil Free Bushings Round Flanged
Brand: MISUMI
Availability: InStock

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MISUMI

MiSUMi Economy

MISUMI

Part Number :

E-SHTZ6-15

E-SHTZ8-20

E-SHTZ8-25

E-SHTZ10-25

E-SHTZ10-30

E-SHTZ12-25

E-SHTZ12-30

E-SHTZ16-25

E-SHTZ16-30

E-SHTZ16-35

E-SHTZ16-40

E-SHTZ20-30

E-SHTZ20-35

E-SHTZ20-40

E-SHTZ20-50

E-SHTZ25-30

E-SHTZ25-35

E-SHTZ25-40

E-SHTZ25-50

E-SHTZ25-60

E-SHTZ6-15

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Product Overview of Oil Free Bushings

1. Oil Free Bushings has low maintenance frequency.
2. Oil Free Bushings more resistant to heavy loads than rolling bearings.
3. Oil Free Bushings can be used under severe conditions of "high" and "low" temperatures.
4. Oil Free Bushings are thin and space-saving, compared to rolling bearings.
5. Oil Free Bushings can be used for linear and rotary motions.

Product Photo

Product Features of Oil Free Bushings

1. Oil Free Bushings, Specification of special brass alloy substrate saturated with lubricant.
2. Oil Free Bushings, Excellent resistance to abrasion and sintering when lubricated with lubricant and grease.
3. Oil Free Bushings, Ideal for working conditions of high speed and light load when supplied with oil.

Dimensional Drawing of Oil Free Bushings

Dimensional Drawing (Unit: mm)
Dimension 1

It is recommended that lubrication be performed regularly according to the material properties.

Recommended Mating Shaft f8 or g6

Material: special brass

Specification Table of Oil Free Bushings

Part Number			L									D_h7	H	T	t	d₁	d₂	P.C.D.	F	A	Hex Socket Low Head Cap Screw (not provided)
Type	d_F7		L									D_h7	H	T	t	d₁	d₂	P.C.D.	F	A	Hex Socket Low Head Cap Screw (not provided)
E-SHTZ	6	+0.022 +0.010	15									10	25	4	2.2	3.5	6	17	－	17	M3-10×2
	8	+0.028 +0.013		20	25							12	27					19		19
	10	+0.028 +0.013			25	30						14	29					21		21
	12	+0.034 +0.016			25	30						18	36	5	3	4.5	7.5	26		26	M4-12×2
	16	+0.034 +0.016			25	30	35	40				22	40	5	3	4.5	7.5	30	18	24	M4-12×4
	20	+0.041 +0.020				30	35	40	50			28	49	6	3.7	5.5	9	38	22	31	M5-16×4
	25					30	35	40	50	60		33	54	6	3.7	5.5	9	43	25	35	M5-16×4
	30						35	40	50	60	70	38	63	8	4.2	6.6	11	50	30	40	M6-20×4

Usage Method of Oil Free Bushings

Specifications Overview of Oil Free Bushings

Example Use of Oil Free Bushings

Oil Free Bushings surface Inspection Fixture (mechanism one-touch mounted by toggle clamp)
Example of Use 1

Part Number

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

: 30; 45; 60

Part Number
E-SHTZ6-15
E-SHTZ8-20
E-SHTZ8-25
E-SHTZ10-25
E-SHTZ10-30
E-SHTZ12-25
E-SHTZ12-30
E-SHTZ16-25
E-SHTZ16-30
E-SHTZ16-35
E-SHTZ16-40
E-SHTZ20-30
E-SHTZ20-35
E-SHTZ20-40
E-SHTZ20-50
E-SHTZ25-30
E-SHTZ25-35
E-SHTZ25-40
E-SHTZ25-50
E-SHTZ25-60
E-SHTZ30-35
E-SHTZ30-40
E-SHTZ30-50
E-SHTZ30-60
E-SHTZ30-70

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
₹ 766.00	1 Piece(s)	Available	Same day	10	6	10	15
₹ 804.00	1 Piece(s)	Available	Same day	10	8	12	20
₹ 857.00	1 Piece(s)	Available	Same day	10	8	12	25
₹ 832.00	1 Piece(s)	Available	Same day	10	10	14	25
₹ 906.00	1 Piece(s)	Available	Same day	10	10	14	30
₹ 909.00	1 Piece(s)	Available	Same day	10	12	18	25
₹ 962.00	1 Piece(s)	Available	Same day	10	12	18	30
₹ 918.00	1 Piece(s)	Available	Same day	10	16	22	25
₹ 1,005.00	1 Piece(s)	Available	Same day	10	16	22	30
₹ 1,052.00	1 Piece(s)	Available	Same day	10	16	22	35
₹ 1,101.00	1 Piece(s)	Available	Same day	10	16	22	40
₹ 1,036.00	1 Piece(s)	Available	Same day	10	20	28	30
₹ 1,076.00	1 Piece(s)	Available	Same day	10	20	28	35
₹ 1,115.00	1 Piece(s)	Available	Same day	10	20	28	40
₹ 1,253.00	1 Piece(s)	Available	Same day	10	20	28	50
₹ 1,095.00	1 Piece(s)	Available	Same day	10	25	33	30
₹ 1,101.00	1 Piece(s)	Available	Same day	10	25	33	35
₹ 1,150.00	1 Piece(s)	Available	Same day	10	25	33	40
₹ 1,316.00	1 Piece(s)	Available	Same day	10	25	33	50
₹ 1,468.00	1 Piece(s)	Available	Same day	10	25	33	60
₹ 1,300.71	1 Piece(s)	Available	Same day	10	30	38	35
₹ 1,344.44	1 Piece(s)	Available	Same day	10	30	38	40
₹ 1,451.23	1 Piece(s)	Available	Same day	10	30	38	50
₹ 1,663.00	1 Piece(s)	Available	Same day	10	30	38	60
₹ 1,886.00	1 Piece(s)	Available	Same day	10	30	38	70

Dimensional Drawing

(Unit: mm)
Dimension 1

It is recommended that lubrication be performed regularly according to the material properties.

Recommended Mating Shaft f8 or g6

Material: special brass

Specification Table

Part Number			L									D_h7	H	T	t	d₁	d₂	P.C.D.	F	A	Hex Socket Low Head Cap Screw (not provided)
Type	d_F7		L									D_h7	H	T	t	d₁	d₂	P.C.D.	F	A	Hex Socket Low Head Cap Screw (not provided)
E-SHTZ	6	+0.022 +0.010	15									10	25	4	2.2	3.5	6	17	－	17	M3-10×2
	8	+0.028 +0.013		20	25							12	27					19		19
	10	+0.028 +0.013			25	30						14	29					21		21
	12	+0.034 +0.016			25	30						18	36	5	3	4.5	7.5	26		26	M4-12×2
	16	+0.034 +0.016			25	30	35	40				22	40	5	3	4.5	7.5	30	18	24	M4-12×4
	20	+0.041 +0.020				30	35	40	50			28	49	6	3.7	5.5	9	38	22	31	M5-16×4
	25					30	35	40	50	60		33	54	6	3.7	5.5	9	43	25	35	M5-16×4
	30						35	40	50	60	70	38	63	8	4.2	6.6	11	50	30	40	M6-20×4

Material Properties

Basic Information

Type	Flange Integrated	Metal Type	High-Tensile Brass Alloy	Environment	Standard / In Oil
Mounting Shaft Fits	g6 / f8	Lubrication	Unlubricated / Regular Lubrication	Max. Allowable Surface Pressure P(N/mm²)	10
Maximum Allowable Velocity(m/s)	1.66	Max. Allowable PV Value Range(N/mm²•m/s)	1.1~2.0	Max. Allowable PV Value(N/mm²•m/s)	1.65
Operating Temperature Range(°C)	-40::150	Mounting Type	Round flanged type

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.

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