As high-surface-pressure brass bushings / construction bearings used under tough environments such as construction and mining equipment, they have an excellent wear resistance under high-load and low-speed conditions.
Bronze bearings with(out) graphite plugs
| Service Range | Mechanical Properties | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Material Code | Lubrication Condition | P (kgf/cm²) 〈N/mm²〉 |
V (m/min) 〈m/s〉 |
PV Value (kgf/cm²·m/min) 〈N/mm²·m/s〉 |
T (℃) |
Specific Gravity (g/cm3) |
Hardness (HB) |
Elongation (%) |
T/S (kgf/mm²) 〈N/mm²〉 |
| #500 SP24 | Dry | 740(1,800) 〈73(180)〉 |
6 〈0.1〉 |
1,000 〈1.65〉 |
-40~+150 | 7.8 | 245 | 12 | 77 〈755〉 |
| Periodic | 15 〈0.25〉 |
2,000 〈3.25〉 |
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Sintered Bronze Bearings
| Material Code | Hardness (HRB) | Oil Volume (%) | Service Temperature (℃) |
| 200W | Min. 70 | Min. 17 | -40~+120 |
▶ Value indicated above is general value and it can be changed without notification for improvement.
Use | Construction Bearings
- Excavator
- Arm, Bucket Cylinder, Boom Cylinder
- Undercarriage
- Load Roller bush, Sprocket, Idler Thrust Washer, Straight bush