A
Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for RC Motors
Fit perfectly in my motor housing. Very smooth operation.
Description
SF1-4020/4030/4040/4050 Oil-Impregnated Bearing, Composite Bearing, Oil-Free Liner, Shaft Sleeve, Copper Bushing
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Sintered Bronze |
| Lubrication | Oil-Impregnated (Self-Lubricating) |
| Bearing Type | Sleeve Bushing |
| Model Series | SF1-4000 Series |
| Inner Diameter | 4mm - 5mm (Model Dependent) |
| Outer Diameter | 8mm - 10mm (Model Dependent) |
| Length | 10mm - 12mm (Model Dependent) |
| Operating Temperature | -10°C to 80°C |
| Hardness | HB 30-50 |
| Application | Motors, Appliances, Automotive |
5 reviews
A
Anonymous
Mar 12, 2026
Rating: 4/5
Good Quality
Slightly tight fit initially but broke in well.
A
Anonymous
Feb 26, 2026
Rating: 5/5
Excellent Value
Bought for appliance repair. Works great.
A
Anonymous
Feb 03, 2026
Rating: 4/5
Works as Expected
No extra lubrication needed which is nice.
A
Anonymous
Feb 03, 2026
Rating: 5/5
Reliable Supplier
Consistent dimensions across the batch.
5 FAQ
Q: Can I use these outdoors?
A: Yes, but avoid direct water submersion.
Q: Is this metric sizing?
A: Yes, all dimensions are in millimeters.
Q: Do I need to oil these?
A: No, they are pre-impregnated with oil.
Q: Do you sell bulk quantities?
A: Yes, contact support for bulk pricing.
Q: What is the shaft tolerance?
A: Recommended h9 shaft tolerance.
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