Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Powder Metallurgy Copper |
| Lubrication Method | Self-Lubricating (Oil Impregnated) |
| Available Sizes | M3, M4, M5, M6, M8, M10 |
| Hardness Rating | HB 30-50 |
| Material Density | 6.4 g/cm³ (Average) |
| Max Operating Temperature | 80°C |
| Min Operating Temperature | -10°C |
| Surface Finish | Polished |
| Recommended Applications | Electric Motors, Fans, Home Appliances |
| Package Quantity | 10 Pieces per Box |
Anonymous
Apr 20, 2026
Rating: 4/5
Good Quality
Slightly tight fit but once installed they work smoothly. Good value for the price compared to local hardware stores.
Anonymous
Apr 11, 2026
Rating: 5/5
Fast Shipping
Works great for DIY appliance repairs. Arrived quickly and packaging protected the bushings well.
Anonymous
Apr 02, 2026
Rating: 5/5
Great Value
Exactly as described. The copper material looks solid and the sizing was accurate for my M5 project.
Anonymous
Feb 28, 2026
Rating: 5/5
Smooth Operation
No noise after installation. The oil impregnation really works well for reducing friction in my fan motor.
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect Replacement
Fit my motor perfectly. The self-lubricating feature saves a lot of maintenance time. Highly recommend for DIY repairs.
Q: Do I need to add oil to these bearings before installation?
A: No, these are oil-impregnated during manufacturing. They are self-lubricating and do not require additional oil.
Q: What is the recommended method for installing these sleeves?
A: A standard press fit into the housing is recommended. Ensure the housing bore is clean and free of burrs before installation.
Q: What is the inner diameter tolerance for these bushings?
A: These bushings are manufactured with standard H7 tolerance suitable for most general mechanical applications.
Q: Can I use these bushings in outdoor wet environments?
A: While copper is resistant, we do not recommend submerged use. They are best suited for dry or mildly humid indoor conditions.
Q: Are these made of solid copper or a composite?
A: They are made using powder metallurgy techniques with copper base, which allows for oil impregnation within the material structure.
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