亚洲高清无在码在线电影,国产乱辈通伦影片在线播放亚洲,1024欧美一区二区日韩人妻,亚洲天天一色综合AV,偷欢人妻激情系列,51成人精品网站,精品国偷拍自产在线观看,我被男同桌摸了b,91热久久免费频精品黑人99,亚洲欧美精品一区二区

Products

products

SF-2X boundary lubrication material

  • parameters

The SF-2X boundary lubrication material is made of steel plate as the base, sintered spherical bronze powder in the middle, surface-modified polyoxymethylene (POM), and contains oil storage pits. It is suitable for use in low temperature and medium load conditions under normal temperature conditions. The material has been widely used in automotive chassis, forging machine tools, metallurgical mining machinery, engineering machinery, hydropower, steel rolling industry and other fields.


Maximum load pressure: 70N/mm2

Friction coefficient μ: 0.05~0.25

Applicable temperature range: -40 ° C ~ 130 ° C

Maximum sliding speed: 2.5m/s

Allow the highest PV value: 22N/mm2.m/s