KOYO SINGLE ROW TAPERED ROLLER BEARINGS, METRIC SERIESBearing No.Boundary dimensions(mm)Load ratings(kN)Limiting speeds(RPM)dDTBr(min)r1(min)CrC0rGrease lub.Oil lub30305JR256218.25171.51.548.246.96800900032305XR256225.25241.51.557.265.87000930032305JR256225.25241.51.561.264.169009100320/28JR285216161135.244750010000302/28CR285817.25161138.841.770009300302/28R285817.25161138.84270009300322/28CR285820.25191144.954.171009400322/28R285820.25191149.255.269009100332/28JR285824241157.669.570009300303/28CR286819.75181.51.551.750.262008200303/28R286819.75181.51.553.55461008200323/28CR286825.75241.51.566.572.963008500323/28R286825.75241.51.569.675.66100810032006JR305517171138.2487000940033006JR305520201143.255.27000940030206JR306217.25161141.544.86500870030206CR306217.25161142.345.165008700