What is an oilless bushing and what features does it have?

The bushing body is soaked in lubricating oil. It is a slide bearing which can be “used without oil supply” or “can reduce oil supply times”. Oilless bushings have the following features: 1. Low maintenance frequency; 2. Compared with ball linear bearings, oilless bushings are suitable for low-speed and heavy-load occasions; 3. Allow use under severe conditions of high temperature and low temperature; 4. Compared with linear bearings, oilless bushings are thinner, saving space; 5. Allow use for both linear motion and rotary motion.

What materials are MISUMI oilless bushings made of, and what features do they have respectively?

MISUMI provides oilless bushings made of five materials, including copper alloy, bronze casting, dry type, resin and casting. Copper alloys (metals) have high temperature resistance, excellent chemical resistance and impact resistance, and is suitable for heavy load and low-speed operation. Bronze castings (metals) have excellent sintering resistance, can realize micro-operation, and are suitable for low-load and high-speed operation. Dry (composite layers), resistant to high temperature, suitable for heavy load and low-speed operation, thin wall and compact. Resin (resins), resistant to high temperature and chemicals (polytetrafluoroethylene resin), compliant with food hygiene law and suitable for low load and low-speed operation. Castings (metals) are suitable for medium load and low-speed operation.

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C-MUBZU40-25

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Oil Free Bushings Copper Alloy Straight I.D.F7/O.D.m6 (Part Number)

Name: Oil Free Bushings Copper Alloy Straight I.D.F7/O.D.m6
Brand: MISUMI
Availability: InStock

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MISUMI

MiSUMi Economy

MISUMI

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Product Description

- Oil Free Bushings Copper Alloy Straight I.D.F7/O.D.m6, C-MUBZ / C-MUBZU series from MISUMI.
- This is an economy item; The price is cheaper than the MISUMI standard product.
- Inner diameter precision class 7 ensures more accurate locating precision.
- Smooth surface makes linear motion smoother.
- Composite products based on high-strength brass and inlaid with solid lubricant.
- It is most suitable for use under conditions of heavy load and low speed operation.
- Excellent wear resistance can be exerted at parts with reciprocating motion, frequent starting and stopping, etc., where oil film is difficult to form.

Economy Oil Free Bushings Copper Alloy

Thin and CompactHigh Load CapacityHigh-Strength Brass Alloy

- Capable of bearing heavier loads compared to rolling bearings, making it ideal for demanding applications

- Thinner than rolling bearings, saving valuable space in your equipment design

- Inner Diameter Precision Class 7, Guarantees accurate locating and positioning, enhancing overall performance and reliability

- Functions effectively in both high and low temperature conditions, across a wide temperature range

- Low Maintenance Frequency, Designed to require minimal maintenance, reducing downtime and operational costs

MISUMI Standard

Cheaper Price

Product Variety

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Oil Free Bushings Product Overview

1. Oil Free Bushings Low maintenance frequency.
2. It can bear heavier load than a rolling bearing.
3. It can also be used under severe temperature conditions of "high temperature" and "low temperature".
4. Compared with rolling bearings, the bushing is thinner and saves space.
5. It can be used for linear motion and rotary motion.

Product photo

Oil Free Bushings Product Feature

1. Composite products based on high-strength brass and inlaid with solid lubricant.
2. It is most suitable for use under conditions of heavy load and low speed operation.
3. Excellent wear resistance can be exerted at parts with reciprocating motion, frequent starting and stopping, etc., where oil film is difficult to form.

■ Oil Free Bushings Inner diameter precision class 7 ensures more accurate locating
・Even if it is MISUMI economy series, the inspection standard is the same as that of MISUMI standard products, which implements quality inspection before leaving the factory to provide users with products that meet the specifications of the catalog
Product Feature

■ Oil Free Bushings Smooth surface makes linear motion smoother
・MISUMI economy series uses slow feed cutting, has smooth surface, reduces the friction force generated in linear motion, and improves the service life
Product Feature

■ Oil Free Bushings Specification comparison (taking the straight type as an example)
・R chamfer, which is more convenient for installation
・The standard load and operating speed of the catalog are ensured, so it can be used with peace of mind
Product Feature

* Products circulating on the market are similar products randomly purchased by our company from online or offline markets

Oil Free Bushings Dimensional Drawing

Product Drawings (Unit: mm)
Dimension 1

Oil Free Bushings Usage Method

For usage method Oil Free Bushings, refer to the following

Usage Method 1

Oil Free Bushings Specifications Overview

Oil Free Bushings Example of Use

Oil Free Bushings Specification Table

Part Number

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: 30; 60; 90

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Part Number
C-MUBZU40-25
C-MUBZU40-30
C-MUBZU40-40
C-MUBZU40-50
C-MUBZU50-30
C-MUBZU50-40
C-MUBZU50-50
C-MUBZU50-60

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
₹ 716.10	1 Piece(s)	Available	Same day	10	40	45	25
₹ 813.00	1 Piece(s)	Available	Same day	10	40	45	30
₹ 1,333.20	1 Piece(s)	Available	Same day	10	40	45	40
₹ 1,353.00	1 Piece(s)	Available	Same day	10	40	45	50
₹ 1,375.00	1 Piece(s)	Available	Same day	10	50	55	30
₹ 1,442.10	1 Piece(s)	Available	Same day	10	50	55	40
₹ 1,518.00	1 Piece(s)	Available	Same day	10	50	55	50
₹ 1,912.90	1 Piece(s)	Available	Same day	10	50	55	60

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Basic Information

Type	Straight	Metal Type	High-Tensile Brass Alloy	Environment	Standard / In Oil
Max. Allowable PV Value Range(N/mm²•m/s)	1.1~2.0	Max. Allowable Surface Pressure P(N/mm²)	20.3	Maximum Allowable Velocity(m/s)	0.35
Mounting Shaft Fits	d8 / e7 / g6 / f8	Mounting Hole Fits	H7	Lubrication	Unlubricated / Regular Lubrication
Operating Temperature Range(°C)	-40::150

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 is an oilless bushing and what features does it have?: Answer: The bushing body is soaked in lubricating oil. It is a slide bearing which can be “used without oil supply” or “can reduce oil supply times”.
Oilless bushings have the following features:
1. Low maintenance frequency;
2. Compared with ball linear bearings, oilless bushings are suitable for low-speed and heavy-load occasions;
3. Allow use under severe conditions of high temperature and low temperature;
4. Compared with linear bearings, oilless bushings are thinner, saving space;
5. Allow use for both linear motion and rotary motion.
Question: What materials are MISUMI oilless bushings made of, and what features do they have respectively?: Answer: MISUMI provides oilless bushings made of five materials, including copper alloy, bronze casting, dry type, resin and casting.
Copper alloys (metals) have high temperature resistance, excellent chemical resistance and impact resistance, and is suitable for heavy load and low-speed operation.
Bronze castings (metals) have excellent sintering resistance, can realize micro-operation, and are suitable for low-load and high-speed operation.
Dry (composite layers), resistant to high temperature, suitable for heavy load and low-speed operation, thin wall and compact.
Resin (resins), resistant to high temperature and chemicals (polytetrafluoroethylene resin), compliant with food hygiene law and suitable for low load and low-speed operation.
Castings (metals) are suitable for medium load and low-speed operation.

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