A
Anonymous
Apr 20, 2026
Rating: 5/5
High load capacity
Using these in a high vibration environment. They hold up well without additional greasing.
Description
SF1 Copper Sleeve 8050 | Self-Lubricating Composite Bearing | Oil-Free Bushing | Oil-Impregnated Bearing 80x85x50mm
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Bronze Composite (SF1) |
| Inner Diameter | 80 mm |
| Outer Diameter | 85 mm |
| Length | 50 mm |
| Lubrication Type | Self-Lubricating (Oil-Impregnated) |
| Max Static Load | 250 N/mm² |
| Operating Temperature | -40°C to +110°C |
| Friction Coefficient | 0.03 - 0.20 (Dynamic) |
| Standard Compliance | ISO 3547 |
| Country of Origin | China |
5 reviews
A
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect fit for machinery
Installed these on our conveyor system. Dimensions are spot on and the self-lubricating feature saves us maintenance time.
A
Anonymous
Mar 13, 2026
Rating: 4/5
Value for money
Competitive price compared to local suppliers. Dimensions were within tolerance limits.
A
Anonymous
Feb 23, 2026
Rating: 4/5
Good quality bronze
Solid build quality. Took a bit longer to ship than expected but the product itself meets specifications.
A
Anonymous
Feb 10, 2026
Rating: 5/5
Excellent replacement part
Replaced worn out bushings in hydraulic press. No noise and smooth operation since installation.
5 FAQ
Q: Is this suitable for underwater applications?
A: While oil-impregnated, prolonged submersion may wash out lubricants. Best for dry or occasional wet conditions.
Q: Do I need to add grease during installation?
A: No, the SF1 material is self-lubricating. Adding grease is optional but not required.
Q: What is the recommended shaft tolerance?
A: We recommend a shaft tolerance of h9 for optimal fit and performance.
Q: What is the hardness of the material?
A: The hardness is typically between 60-90 HB depending on the specific batch testing.
Q: Can this be cut to size?
A: We do not recommend cutting as it may damage the porous structure holding the oil. Order custom sizes if needed.
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