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-SHBZ12-25

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

Specification/Dimensions

type
- E-SHBZ
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Inner Dia. d(Ø)
5

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30
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Outer Dia. D(Ø)
9

10

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14

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22

28

33

38
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Overall Length L(mm)
8

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25

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60
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CAD
- 2D
- 3D
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Days to Ship

All

Same day
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Special Brass Oil Free Bushings Straight (E-SHBZ12-25)

Name: Special Brass Oil Free Bushings Straight
Brand: MISUMI
Price: 244 INR
Availability: InStock

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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)

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

Fixing Method: It is recommended to use rotation stopper screws.

Recommended Mating Shaft f8 or g6

Material: special brass

Specification Table of Oil Free Bushings

Part Number			L										D_m6	Wall Thickness (N)	*Housing I.D.		*Rotation stopper screw (reference)
Type	d_F7														*Housing I.D.
Type	d_F7														Reference Dimension	Tolerance (H7)
E-SHBZ	5	+0.022 +0.010	8	10	12	15							9	2	9	+0.015 0	M4×8
	6	+0.022 +0.010	8	10	12	15	20						10		10	+0.015 0
	8	+0.028 +0.013	8	10	12	15	20	25					12		12	+0.018 0
	10	+0.028 +0.013	8	10	12	15	20	25					14		14
	12	+0.034 +0.016		10	12	15	20	25					18	3	18
	13					15	20						19		19	+0.021 0
	15			10	12	15	20	25					21		21
	16			10	12	15	20	25	30	40			22		22
	20	+0.041 +0.020				15	20	25	30	40	50		28	4	28		M5×8
	25						20	25	30	40	50		33		33	+0.025 0	M5×8
	30							25	30	40	50	60	38		38	+0.025 0	M6×16
*The values for the housing diameter and the rotation stopper screw are recommended dimensions.

Usage Method of Oil Free Bushings

Specifications Overview of Oil Free Bushings

Example Use of Oil Free Bushings

Oil Free Bushings (Slide up and down through clamping & welding parts of the cam bearing mechanism)
Example of Use 1

Part Number

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: 30; 45; 60

Part Number
E-SHBZ12-25

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
	₹ 244.00	1 Piece(s)	Available	Same day	10	12	18	25

Dimensional Drawing

(Unit: mm)

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

Fixing Method: It is recommended to use rotation stopper screws.

Recommended Mating Shaft f8 or g6

Material: special brass

Specification Table

Part Number			L										D_m6	Wall Thickness (N)	*Housing I.D.		*Rotation stopper screw (reference)
Type	d_F7														*Housing I.D.
Type	d_F7														Reference Dimension	Tolerance (H7)
E-SHBZ	5	+0.022 +0.010	8	10	12	15							9	2	9	+0.015 0	M4×8
	6	+0.022 +0.010	8	10	12	15	20						10		10	+0.015 0
	8	+0.028 +0.013	8	10	12	15	20	25					12		12	+0.018 0
	10	+0.028 +0.013	8	10	12	15	20	25					14		14
	12	+0.034 +0.016		10	12	15	20	25					18	3	18
	13					15	20						19		19	+0.021 0
	15			10	12	15	20	25					21		21
	16			10	12	15	20	25	30	40			22		22
	20	+0.041 +0.020				15	20	25	30	40	50		28	4	28		M5×8
	25						20	25	30	40	50		33		33	+0.025 0	M5×8
	30							25	30	40	50	60	38		38	+0.025 0	M6×16
*The values for the housing diameter and the rotation stopper screw are recommended dimensions.

Material Properties

Basic Information

Type	Straight	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

Please check the type/dimensions/specifications of the part E-SHBZ12-25 in the Special Brass Oil Free Bushings Straight 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.

Product variants

Part Number
E-SHBZ10-20
E-SHBZ10-25
E-SHBZ10-8
E-SHBZ13-15
E-SHBZ13-20
E-SHBZ15-10

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
₹ 230.00	1 Piece(s)	Available	Same day Stock	10	10	14	20
₹ 230.00	1 Piece(s)	Available	Same day Stock	10	10	14	25
₹ 230.00	1 Piece(s)	Available	Same day Stock	10	10	14	8
₹ 331.00	1 Piece(s)	Available	Same day Stock	10	13	19	15
₹ 331.00	1 Piece(s)	Available	Same day Stock	10	13	19	20
₹ 325.00	1 Piece(s)	Available	Same day Stock	10	15	21	10

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