Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	Copper & Brass Alloy
Manufacturing Process	Powder Metallurgy
Lubrication Type	Self-Lubricating (Oil-Impregnated)
Thread Size Range	M3 to M12
Maximum Length	60 mm
Operating Temperature	-10°C to 80°C
Hardness	20-35 HV
Density	5.8 - 6.2 g/cm³
Surface Finish	Natural Sintered Finish
Primary Application	Motors, Appliances, Automotive

5 reviews

Anonymous

Apr 15, 2026

Rating: 5/5

Excellent fit for NEMA motors

These bearings fit perfectly into my motor housings. The oil impregnation seems high quality as they run smoothly without extra grease.

Anonymous

Apr 10, 2026

Rating: 5/5

Great for 3D printer upgrades

Used the M5 size for my printer build. Quiet operation and no binding. Will buy again for future projects.

Anonymous

Mar 25, 2026

Rating: 5/5

True to specifications

Measured several units with calipers. Dimensions are within standard tolerance ranges. Very satisfied with the consistency.

Anonymous

Mar 14, 2026

Rating: 4/5

Good value for bulk

Ordered a mix of sizes. Most were perfect, one had a slight burr on the thread but easily fixed. Good price point.

Anonymous

Mar 01, 2026

Rating: 5/5

Reliable for industrial use

We use these in our assembly line machinery. They hold up well under continuous operation and reduce maintenance time.

5 FAQ

Q: Do I need to add oil before installation?

A: No, these are pre-impregnated with oil. Adding external lubrication is generally not required unless under extreme conditions.

Q: What is the maximum rotational speed recommended?

A: For optimal longevity, we recommend speeds under 3000 RPM depending on the load and specific size.

Q: Are these bearings resistant to corrosion?

A: The brass and copper alloy offers good natural corrosion resistance, but they are not recommended for submerged marine environments.

Q: Are the threads metric or imperial?

A: All threaded sizes listed (M3–M12) follow the ISO metric standard.

Q: Can these be pressed into a housing?

A: Yes, they are designed for press-fit installation. Please ensure housing tolerance matches standard bearing specifications.

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