Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Leaded Brass with Graphite Plugs |
| Product Series | PFRJ Series |
| Lubrication Type | Self-Lubricating (Solid Lubricant) |
| Inner Diameter Range | 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 16mm-50mm |
| Outer Diameter Tolerance | +0.030mm / +0.010mm |
| Hardness (Brinell) | 90 - 120 HB |
| Static Load Capacity | 250 N/mm² |
| Dynamic Load Capacity | 140 N/mm² |
| Max Sliding Speed | 2.5 m/s (dry operation) |
| Operating Temperature | -40°C to +250°C |
Anonymous
Apr 11, 2026
Rating: 5/5
Excellent wear resistance
Using these in high vibration equipment. No wear noticed after 3 months of continuous operation. Highly recommend.
Anonymous
Mar 19, 2026
Rating: 4/5
Good quality brass
Material feels solid and well machined. Delivery took a bit longer than expected but the product quality makes up for it.
Anonymous
Feb 22, 2026
Rating: 4/5
Accurate dimensions
Measured ID with calipers, spot on. There was a minor surface oxidation mark but it did not affect performance.
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect fit for lathe repair
Works great on my old lathe repair. Smooth operation and the self-lubricating feature saves time on maintenance.
Anonymous
Feb 01, 2026
Rating: 5/5
Self-lubricating works
No need for oiling in hard to reach spots. Very convenient for machinery that runs intermittently.
Q: Can you cut these to custom lengths?
A: We offer standard lengths, but custom cutting is available upon request via customer service.
Q: Are these suitable for underwater applications?
A: They perform well in water, but prolonged submersion may affect lubrication efficiency over time.
Q: Can these be used with stainless steel shafts?
A: Yes, they are compatible with hardened steel and stainless steel shafts.
Q: What is the lead time for bulk orders?
A: Standard sizes ship within 2 days. Bulk orders over 500 units take 1-2 weeks.
Q: Do I need to add grease during installation?
A: No, the graphite plugs provide self-lubrication. Initial light oil is optional but not required.
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