Tapered Roller Bearings - Double Tapered Cones - Imperial Timken M272749DW

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 M272700 Cone Part Number M272749DW Design Units Imperial Cage Type Pin-Type C1 - Dynamic Radial Rating (1 million revolutions)1 839000 lbf C0 - Static Radial Rating 1660000 lbf Note This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components. Dimensions d - Cone Bore 18.8750 in B - Double Cone Width 9.3750 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.13 in da - Cone Frontface Backing Diameter 20.08 in Ab - Cage-Cone Frontface Clearance 0.41 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 218000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 1460000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 379000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 124000 lbf Factors K - Factor7 1.76 G1 - Heat Generation Factor (Roller-Raceway) 8110 G2 - Heat Generation Factor (Rib-Roller End) 508 Cg - Geometry Factor8 0.26