Material

Steel+Bronze+(PTFE+ Filler)

Typical application

Application: medium, high- pressure gear pump, ram pump, vane pumps, etc.

Load capacity P (Dry friction)

N/mm2 Static load

250

N/mm2 Dynamic load

140

N/mm2 Oscoillation Load

60

Max line speed V

m/s Dry friction

2.5

m/s Oil lubrication

＞5

PV value limit

N/mm2·m/s Dry friction

1.0

N/mm2·m/s Oil lubrication

10

Friction coef u

Dry friction

0.08~0.25

Oil lubrication

0.02~0.08

Mating Axis

Hardness

＞220

Ra Roughness

0.4~1.25

Working temperature

-200~+280

W/mk Thermal conductivity

40

Coefficient of linear expansion

11×10-6/K

Outside surface Plating

copper/tin