Tapered Roller Bearings - Double Tapered Cones - Imperial Timken EE420750D

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 420000 Cone Part Number EE420750D Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (1 million revolutions)1 248000 lbf C0 - Static Radial Rating 409000 lbf Dimensions d - Cone Bore 7.5 in B - Double Cone Width 6.0000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.13 in da - Cone Frontface Backing Diameter 8.7 in Ab - Cage-Cone Frontface Clearance 0.14 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 64300 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 432000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 112000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 44200 lbf Factors K - Factor7 1.45 G1 - Heat Generation Factor (Roller-Raceway) 1150 G2 - Heat Generation Factor (Rib-Roller End) 128 Cg - Geometry Factor8 0.145