SF-ZQ Stainless Steel Corrosion Resistant Bearings

SF-ZQ stainless steel and corrosion-resistant bearings are made of stainless steel as the matrix, sintered with corrosion-resistant alloy powder in the middle, and rolled on the surface of low-friction materials mainly made of polytetrafluoroethylene. Cor

SF-ZQ product parameters

Grade   SF-ZQ
Material   Stainless+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 coefμ 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 40
Coefficient of linear expansion 11×10 -6/K
Outside surface Plating No

 

 

Typical application

It is most suitable for use in food and beverage machinery, chemical pumps and valves with moderate acid-base flow, pharmaceutical machinery, printing and dyeing machinery, chemical machinery, and marine industry corrosion-resistant sliding parts.

product category