INW-10 B Composite Bushings Tin Outside SF-1B Bushing Bronze Base PTFE
Sliding layer
PTFE + Lead
Porous Bronze Sinter
Steel Backing
| OPERATING PERFORMANCE | |
| Dry | Very Good |
| Oil lubricated | Good |
| Grease lubricated | Fair |
| Water lubricated | Fair |
| Process fluid lubricated | Fair |
| FOR SUPERIOR / LEAD-FREE PERFORMANCE | |
| Dry | DP4 / DP11 |
| Oil lubricated | DP4 / DP31 |
| Grease lubricated | DP4 / DX |
| Water lubricated | DP4-B |
| Process fluid lubricated | DP4 / DP31 |
| GENERAL | Unit | Value | |
| Maximum load, p | Static Dynamic | N/mm2 N/mm2 | 250 140 |
| Operating temperature | Min Max | °C °C | - 200 280 |
| Coefficient of linear thermal expansion | Parallel to the surface Normal to the surface | 10-6/K
10-6/K | 11
30 |
| DRY | |||
| Maximum sliding speed, U | m/s | 2.5 | |
| Maximum pU factor | N/mm2 x m/s | 1.8 | |
| Coefficient of friction | 0.02 - 0.25 * |
| OIL LUBRICATED | |||
| Maximum sliding speed, U | m/s | 5.0 | |
| Maximum pU factor | N/mm2 x m/s | 5.0 | |
| Coefficient of friction | 0.02 - 0.12 |
| RECOMMENDATIONS | |||
| Shaft surface roughness, Ra | Dry Lubricated | µm µm | 0.3 - 0.5 ≤ 0.05 - 0.4 * |
| Shaft surface hardness | Unhardened acceptable, improved bearing life > 200HB | ||
