A
Anonymous
Apr 20, 2026
Rating: 5/5
High quality composite
Very durable material. We use them in high vibration environments and they hold up well.
Description
SF-1 Composite Bronze Bushing, Oil-Free Wear-Resistant Sleeve, Self-Lubricating Bearing, Inner Diameter 3-200mm
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Steel Back + Bronze Powder + PTFE |
| Inner Diameter Range | 3 mm to 200 mm |
| Operating Temperature | -40°C to +110°C |
| Max Static Load | 250 N/mm² |
| Max Dynamic Load | 140 N/mm² |
| Friction Coefficient | 0.03 - 0.20 |
| Lubrication Requirement | Self-Lubricating (Oil-Free) |
| Surface Hardness | HB 40-60 |
| Shaft Tolerance | h9 / f7 Recommended |
| Compliance Standard | ISO 3547 / DIN 1494 |
5 reviews
A
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable supply
Ordered bulk for production line. Consistency across all units is excellent.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Perfect for hydraulic cylinders
Used these for rebuilding some old hydraulic arms. They fit perfectly and no grease needed.
A
Anonymous
Feb 26, 2026
Rating: 4/5
Good value
Works as expected. Slightly tight fit on the shaft but smoothed out after break-in.
A
Anonymous
Feb 12, 2026
Rating: 5/5
No maintenance needed
The oil-free feature saves us a lot of maintenance time. Highly recommend.
5 FAQ
Q: Is the inner diameter precise?
A: Yes, manufactured to ISO 3547 tolerances for precision fit.
Q: Can this handle oscillating motion?
A: Yes, SF-1 bushings are excellent for oscillating and rotating movements.
Q: Can these be used in wet environments?
A: They are resistant to moisture but not designed for continuous submerged operation.
Q: What is the lead time for custom sizes?
A: Custom sizes typically ship within 5-7 business days depending on quantity.
Q: Do I need to lubricate during installation?
A: No additional lubrication is required due to the PTFE layer.
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