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Home / Bearings & Bushings / Powder Metallurgy Oil-Impregnated Copper Sleeve Self-Lubricating Bearing, Inner Diameters 28/30/32/35/38/40/45mm

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material SAE 841 Bronze
Manufacturing Process Powder Metallurgy
Lubrication Type Oil-Impregnated (Self-Lubricating)
Available Inner Diameters 28, 30, 32, 35, 38, 40, 45 mm
Outer Diameter Tolerance +0.03mm / -0.01mm
Hardness HB 60-90
Density 6.4 g/cm³ min
Oil Content Volume 18-25%
Max Operating Speed 1200 ft/min
Surface Finish As-Sintered

5 reviews

A

Anonymous

Apr 17, 2026

Rating: 4/5

Good quality, slow delivery

The bushings themselves are excellent quality bronze. Took a bit longer to arrive than expected but worth the wait for the durability.

A

Anonymous

Apr 10, 2026

Rating: 3/5

Tight fit on 40mm

The 40mm bushing was slightly tighter than expected on our shaft. Had to sand down slightly. Otherwise good material.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Bulk order satisfied

We ordered multiple sizes for our workshop. Consistency across the batch was impressive. Will order again.

A

Anonymous

Feb 10, 2026

Rating: 5/5

Perfect replacement part

Ordered the 35mm ID for our conveyor motor. Fit was precise and installation was smooth. No squeaking after weeks of operation.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Self-lubricating works as advertised

Haven't needed to add any oil since installation. Great for hard-to-reach spots in our machinery.

5 FAQ

Q: What is the press fit tolerance for the housing?

A: We recommend a standard H7 housing tolerance for optimal retention.

Q: Can these be used in high-temperature environments?

A: They operate safely up to 120°C. For higher temps, please contact us for alternative materials.

Q: Do these require additional grease during installation?

A: No, they are oil-impregnated. However, a light coat of oil on the shaft helps initial startup.

Q: Can I cut these to custom lengths?

A: Yes, they can be cut with a standard hacksaw or abrasive wheel, but deburr edges afterwards.

Q: Are these suitable for underwater applications?

A: While oil-impregnated, prolonged submersion may wash out the oil. Best for dry or occasional splash environments.

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