永久免费观看视频,韩国伦理片电影在线观看,成年无码免费A片,国产午夜视频在线,无限资源观看大全视频下载,国产成a人片在线观看影院,日本aaaa特级毛片,97爆乳美女洗澡被揉视频

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