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DRY SLIDING (PLAIN) BUSHES - DESIGN INFORMATION:
SELECTION CHART
| Bush Type | High Load? | Dirty Environment? | Shock / Vibration? |
Washdown? | ChemicalsClick for chart |
Lube Required? |
Shaft Type |
| Self Lubricating | YES | YES | YES | YES | YES | NO | RB25 |
| Ceramic | YES YES YES | YES YES YES | YES YES YES | YES YES YES | YES YES YES | YES | RC35 |
DESIGN DATA
Comparison chart for LM76 ceramic coated bushes and self lubricated (PTFE lined) bushes.
IMPERIAL |
Self Lubricated (PTFE) |
Ceramic Coated |
| Max PV Continuous | 30,000 | 40,000 |
| Max P-PSI (Static) | 5,000 | 5,000 |
| Max V SFM (No load) | 400 | unlimited ! |
| Shaft Hardness (min) | RB 25 | RC 35 |
| Shaft Finish (RMS) | 8 to 16 | 8 to 16 |
| Coefficient of Friction | .09 to .12 | .04 to .08 |
| Temperature Range | -400 to + 375ºF | -200 to + 400ºF |
METRIC |
Self Lubricated (PTFE) |
Ceramic Coated |
| Max PV Continuous | 0.26 N/mm2 m/s | 1.4 N/mm2 m/s |
| Max P (Static) | 5.2 N/mm2 | 34.4 N/mm2 |
| Max V (No load) | 2 m/s | unlimited |
| Shaft Hardness (min) | RB 25 | RC 35-63 |
| Shaft Finish (RMS) | 8 to 16 | 8 to 16 |
| Coefficient of Friction | 0.10 to 0.18 | 0.04 to 0.08 |
| Temperature Range | -240ºC to +190ºC | -130ºC to +200ºC |