SF-DS Bronze Base Rolled Bearings

SF-DS bronze-based rolled bearings are made of tin bronze as the matrix, sintered bronze spherical powder in the middle, and rolled PTFE and high temperature resistant filling materials on the surface. It has a high safety factor, and is especially suitab

SF-DS product parameters

Grade   SF-DS
Material   Bronze+Bronze+(PTFE+ Filler)
Load capacity Static load N/mm2 250
Dynamic load N/mm2 140
Oscoillation Load N/mm2 60
Max line speed Dry friction m/s 2.5
Oil lubrication m/s >5
PVvalue limit Dry friction N/mm 2 · m/s 1.8
Oil lubrication N/mm 2 · m/s 3.6
Friction coef μ Dry friction 0.08~0.20
Oil lubrication 0.02~0.08
Mating shaft Hardness HB >220
Roughness Ra 0.4~1.25
Working temperature°C -200~+280
Thermal conductivity W/mk 60
Coefficient of linear expansion 18×10 -6/K
Outside surface Plating No

 

 

Typical application

At present, the product has been widely used in metallurgical iron and steel industry, continuous casting machine billet raceway, high temperature furnace equipment, cement grouting pump and screw conveyor.

product category