Sorry, you need to enable JavaScript to visit this website.

SF-2H boundary lubricated bearing, the product is based on high-quality mild steel, sintered spherical bronze layer in the middle, and the surface is rolled modified polyoxymethylene (POM). It can be used for a long time without oil under boundary lubrica……


Performance   Data
The name of the material Carbon Steel+Copper Powder/Bronze+(POM+Pb)
Maximum load-bearing pressure P Static load N/mm2 140
  Dynamic load N/mm2 70
Maximum linear velocity Vm/s Grease lubrication 2.5
The highest PV value is N/mm2·m/s Grease lubrication 2.8
Coefficient of friction u Grease lubrication 0.06~0.12
Matching shaft diameter Hardness HRC >270
  Roughness Ra 0.4~1.25
Operating temperature °C -60~+120
Thermal conductivity W/m·K 52
Coefficient of linear expansion (axial) 11×10-6/k