... ISO 9001:2000 4.Hardness 62-65 carbon steel price per kg Bearing typeDimension(mm) ... Cor: 5.6 Dynamic Cr:2.85 Limiting Speed(r/min) Grease:23000 oil:27000 Weigh(kg ... , 62300, 6900,16000,etc. Ring MaterialChrome Steel ,Carbon steel,bearing steel Tolerance gradeGB/T307.1-205 ID ... B/L ApplicationHome appliances, low noise and high speed electric motors, automotive components, pumps, machinery. ServiceOEM ...