Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | CuSn8ZnPb Bronze with Graphite Plugs |
| Inner Diameter Options | 50mm, 55mm |
| Outer Diameter Options | 20mm, 30mm, 40mm, 50mm, 60mm |
| Lubrication Type | Self-Lubricating (Solid Graphite) |
| Hardness | 90-120 HB |
| Max Static Load | 250 N/mm² |
| Max Dynamic Load | 140 N/mm² |
| Operating Temperature | -40°C to +250°C |
| Max Sliding Speed | 0.5 m/s |
| Surface Finish | Precision Machined |
Anonymous
Apr 16, 2026
Rating: 4/5
Good quality, slight delay in shipping
The bearings themselves are excellent quality and match the specifications provided. Shipping took a bit longer than expected, but the product performance makes up for it.
Anonymous
Apr 13, 2026
Rating: 5/5
No grease required
Bought these for a high-temperature environment where standard grease would fail. They operate smoothly without any additional lubrication. Very satisfied with the durability.
Anonymous
Mar 25, 2026
Rating: 5/5
Perfect for hydraulic press maintenance
These bronze bearings fit perfectly into our hydraulic press cylinders. The self-lubricating graphite plugs save us a lot of maintenance time. Highly recommended for heavy-duty applications.
Anonymous
Mar 16, 2026
Rating: 4/5
Precise dimensions
Measured the inner and outer diameters with calipers and they are within tolerance. Installation was straightforward. Would buy again for future projects.
Anonymous
Mar 03, 2026
Rating: 5/5
Robust construction
Solid bronze construction feels very robust. We use them in agricultural machinery where dust and debris are common. They handle the harsh conditions well.
Q: Can these be used in wet environments?
A: Yes, the bronze material offers good corrosion resistance, making them suitable for environments with occasional water exposure.
Q: Do these bearings require regular greasing?
A: No, these bearings feature embedded graphite plugs that provide self-lubrication during operation, eliminating the need for regular greasing.
Q: Are custom lengths available for this model?
A: Yes, we offer custom cutting services for length. Please contact our sales team with your specific requirements for a quote.
Q: What is the shaft tolerance compatibility?
A: These bearings are designed to work with standard H7/f7 shaft tolerances. Please consult the technical datasheet for specific fitment details.
Q: What is the maximum RPM for the 50mm inner diameter version?
A: The maximum RPM depends on the load and temperature. For a 50mm ID, we recommend staying under 600 RPM for optimal longevity under standard load.
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