Description
Reviews
| Brand | - |
| Category | Packaging / Packaging Tape |
| Origin | - |
| Material | PTFE Composite with Bronze Backing |
| Inner Diameter | 50 mm |
| Outer Diameter | 55 mm |
| Length | 40 mm |
| Lubrication Type | Self-Lubricating (Oil-Impregnated) |
| Max Load Capacity | 140 N/mm² Static |
| Operating Temperature | -40°C to +110°C |
| Friction Coefficient | 0.03 - 0.20 (Dynamic) |
| Surface Finish | Precision Machined |
| Application | Industrial Machinery, Automotive, Hydraulic Systems |
Anonymous
Mar 28, 2026
Rating: 5/5
Reliable industrial component
Purchased multiple units for our production line. Consistency across all units is excellent. Will definitely order again when we need more.
Anonymous
Mar 21, 2026
Rating: 4/5
Good quality, fast shipping
The build quality is solid and the dimensions are accurate within tolerance. Took off one star because the packaging was slightly damaged, but the product itself was fine.
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent durability
We have been running these in a high-vibration environment for three months now with zero signs of wear. The PTFE layer is holding up remarkably well.
Anonymous
Mar 11, 2026
Rating: 5/5
Great replacement part
Needed a specific size for an older machine and this was an exact match. Installation was straightforward and it runs smoother than the original metal bushing.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid performance
Does exactly what it says. No oiling required which is a huge plus for our automated lines. Price point is very competitive compared to local suppliers.
Anonymous
Mar 02, 2026
Rating: 5/5
Perfect fit for our hydraulic press
These bearings fit perfectly into our existing setup. The self-lubricating feature has significantly reduced our maintenance downtime. Highly recommended for heavy-duty applications.
Q: Is there a break-in period required for these bearings?
A: These self-lubricating bearings generally do not require a formal break-in period. They can be put into immediate service at rated loads, though gradual load increase is always good practice for any new mechanical component.
Q: What is the tolerance range for the inner diameter?
A: The inner diameter of 50mm typically holds a tolerance of H7/H8 depending on the specific batch standards. For precise engineering drawings, please refer to the datasheet provided in the download section.
Q: Can this be pressed into a steel housing?
A: Yes, the bronze backing provides sufficient strength for press-fitting into standard steel housings. We recommend using a mild interference fit as per standard mechanical engineering practices.
Q: Do you offer bulk discounts for orders over 100 units?
A: Yes, we offer tiered pricing for bulk orders. Please add the desired quantity to your cart or contact our sales team directly for a custom quote on orders exceeding 100 units.
Q: Is this bearing suitable for underwater applications?
A: While the material is corrosion-resistant, this specific SF1 series is designed for dry or occasional moisture exposure, not continuous submersion. Please contact us for marine-grade options.
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