SF-1W Lead-free BearingsZhejiang Fengli Drive Technology Co., Ltd.


SF-1W Lead-free Bearings is based on the SF-1 material based on international environmental requirements and the development of a new product.
In addition to the general application of the product in general machinery, food machinery, pharmaceutical machinery, tobacco machinery, especially for - lead effect in line with European environmental requirements, is -Oil Lubrication bearing the direction of development.

Technical Parameters

Data Code SF-1W
Material Steel+Ronze+(PTFE+Pb+Filler)
Applications   Products are mainly used in high-pressure gear pumps, piston pumps, vane pumps.
Max Load Capacity P (Dry Friction) Static Load N/mm² 250
Dynamic Load N/mm² 140
Oscoillation Load N/mm² 60
Max Line Speed V Dry Friction m/s 2.5
Oil Lubrication m/s >5
PV Value Limit Dry Friction m/s N/mm²·m/s 1.0
Oil Lubrication m/s N/mm²·m/s 10
Friction Coefficient u Dry Friction 0.08~0.25
Oil Lubrication 0.02~0.08
Mating Axis Hardness HB >220
Roughness Ra 0.4~1.25
Working Temperature ℃   -200~+280
Thermal Conductivity W/mk   40
Coefficient Of Linear Xpansion   11×10-6/K
Outside Surface Plating   copper/tin
In addition to the standard products shown in the catalog, you can also provide non-standard products or order according to customer requirements.