Tapered Roller Bearings - Double Tapered Cones - Imperial Timken HM256849DA

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 HM256800 Cone Part Number HM256849DA Design Units Imperial Cage Type Pin-Type C1 - Dynamic Radial Rating (1 million revolutions)1 292000 lbf C0 - Static Radial Rating 622000 lbf Dimensions d - Cone Bore 11.8125 in B - Double Cone Width 5.9375 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.25 in da - Cone Frontface Backing Diameter 12.785 in Ab - Cage-Cone Frontface Clearance 0.2 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 75600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 508000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 132000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 43600 lbf Factors K - Factor7 1.73 Cg - Geometry Factor8 0.178