Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Bronze Alloy with Embedded Graphite |
| Lubrication Type | Self-Lubricating (Oil-Free) |
| Inner Diameter Range | 30mm - 50mm |
| Outer Diameter Range | 38mm - 60mm |
| Flange Diameter | 50mm - 75mm |
| Total Length | 40mm - 80mm |
| Hardness | HB 90 - 120 |
| Max Static Load | 150 N/mm² |
| Operating Temperature | -40°C to +250°C |
| Surface Finish | Ra 0.8 μm |
Anonymous
Apr 12, 2026
Rating: 4/5
Fast shipping and well packaged
Arrived earlier than expected. Packaging protected the flanges from damage during transit. Would order again.
Anonymous
Apr 02, 2026
Rating: 4/5
Good fit and finish
Dimensions were accurate according to the spec sheet. Slightly tight fit initially but seated properly after installation.
Anonymous
Mar 24, 2026
Rating: 5/5
Durable material
Been running these for three months continuously. No signs of wear yet. Very satisfied with the bronze alloy quality.
Anonymous
Mar 16, 2026
Rating: 5/5
No oil needed
Perfect for our dry environment where oil contamination is a concern. The graphite plugs are well embedded.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent for high load applications
Used these in a conveyor system modification. The self-lubricating feature works as advertised and reduced maintenance time significantly.
Q: Do I need to grease these during installation?
A: No, the embedded graphite provides lubrication. However, a light coat of oil on the outer diameter may help with press-fit installation.
Q: Can these be customized to specific lengths?
A: Yes, we offer custom machining services. Please submit a request with your required dimensions for a quote.
Q: Is this suitable for underwater use?
A: While the material is corrosion resistant, these are not specifically designed for submerged applications. Please contact us for marine-grade options.
Q: What is the tolerance on the inner diameter?
A: Standard inner diameter tolerance is H7. Custom tolerances are available upon request.
Q: What is the lead time for MPTZ50?
A: Standard sizes like MPTZ50 are typically in stock and ship within 3-5 business days.
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