A
Anonymous
Apr 23, 2026
Rating: 5/5
Great for automation projects
Used these in a conveyor setup. No grease needed which keeps things clean.
Description
SF-2 self-lubricating oil-impregnated bearing / composite bearing / oil-free liner / bushing / bronze sleeve
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Base Material | Low Carbon Steel & Bronze Powder |
| Inner Diameter Tolerance | F7 |
| Outer Diameter Tolerance | P7 |
| Hardness | 40-50 HB |
| Density | 5.8 - 6.2 g/cm³ |
| Oil Content | 15% - 25% by Volume |
| Operating Temperature | -40°C to +120°C |
| Max PV Value | 1.8 N/mm²·m/s |
| Coefficient of Friction | 0.05 - 0.15 |
| Surface Treatment | Standard (Optional Plating Available) |
5 reviews
A
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect replacement
Replaced worn bushings in old machinery. Running smoother than before.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent for low maintenance
Ideal for areas where lubrication is difficult. Saves time on upkeep.
A
Anonymous
Feb 15, 2026
Rating: 5/5
Reliable industrial grade
We use these across our factory floor. Consistent quality batch to batch.
A
Anonymous
Feb 10, 2026
Rating: 4/5
Good fit but tight
Quality is solid. Had to press fit carefully. Works well so far.
5 FAQ
Q: What is the lead time for bulk orders?
A: Typically 3-5 business days for stock items.
Q: Do these require additional grease?
A: No, they are self-lubricating.
Q: Are these suitable for outdoor use?
A: They are resistant but we recommend plating for harsh environments.
Q: What is the shaft tolerance recommendation?
A: We recommend h9 or f7 shaft tolerance for optimal fit.
Q: Can you cut these to custom lengths?
A: Yes, contact us for custom machining services.
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