Description
Reviews
| 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 |
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.
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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