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HOME > PLAIN SLIDING LINEAR BEARINGS > DESIGN INFORMATION

DRY SLIDING (PLAIN) BUSHES - DESIGN INFORMATION:

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

 

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