Self lubricating fiber composite material wrapped bearing

GMM heavy-duty bearing

Features: low friction coefficient, high load-bearing capacity, resistance to different axial degrees, wear resistance, low water absorption, corrosion resistance, impact resistance

structure

Wear resistant layer: PTFE fiber and high-strength fiber pre woven fabric, with strong durability and versatility, widely used in high-altitude shearing forks and logistics machinery, and excellent cost-effectiveness.

Substrate: Made by continuously winding glass fibers and compressing them in high-temperature epoxy resin.

Application: • Steering device coupling • Hydraulic cylinder spindle • Main pin bearing • Crane arm, cutter crane arm • Crane, boom, lifting gate • Backhoe, excavator • Sliding loader • Forklift

Mechanical and physical performance unit values

Ultimate compressive strength MPa 483

Maximum load (static) MPa 310

Maximum load (dynamic) MPa 207

Temperature range ° C -1980-163

Thermal expansion coefficient m/m/° C 8.69x10-6

Thermal conductivity W/m-k 0.26-0.33

Water absorption rate of 0.12% in 2 hours

Water absorption rate of 0.16% in 24 hours

Density g/cm3 1.75-1.95

The maximum speed for running dry applications is m/s 0.13

Maximum PV value N/mm2 x m/s 1.05

Friction coefficient f 0.05-0.12

Typical average design pressure for high proportion applications MPa 69

Wear after 500000 cycles mm<0.15