Dry Bush


This is new material consist of PTFE fibers fabric as self lubricated layer and intermediate layer of sintered bronze with carbon steel backing. It has longer service life under lower speed with high shock load along with no swelling and good damping behaviors.

Application: Automobile suspension, auxiliary of agriculture, construction machines,cranes, ball butterfly and sluice valves and water pump etc.

Bearing PropertiesUnitValue
Maximum specific load StaticN/mm² Psi400 58000
Maximum specific load dynamicN/mm² Psi180 26100
Maximum sliding speedm/s fpm0,5 100
Maximum PxV factorN/mm² · m/s2,5
Maximum PxV factor
(short periods)
N/mm² · m/s10
Dry coefficient of frictionµm0,03 ÷ 0,15
Maximum temperature°C °F+260°C +500°F
Minimum temperature°C °F-180°C -292°F
Shaft finish Ra (recommended)µm0.4 Ra
Shaft hardness (recommended)HB>200

Operating Conditions
DryVery good
Process fluidFair