Tapered Roller Bearings - Double Tapered Cones - Imperial Timken M257148DW

Описание

TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft. Specifications Series M257100 Cone Part Number M257148DW Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (1 million revolutions)1 269000 lbf C0 - Static Radial Rating 477000 lbf Dimensions d - Cone Bore 12 in B - Double Cone Width 5.1250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.13 in da - Cone Frontface Backing Diameter 12.8 in Ab - Cage-Cone Frontface Clearance 0.18 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 69700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 468000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 121000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 39700 lbf Factors K - Factor7 1.76 Cg - Geometry Factor8 0.167