Tapered Roller Bearings - Double Tapered Cones - Imperial Timken LM772749DW

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 LM772700 Cone Part Number LM772749DW Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (1 million revolutions)1 418000 lbf C0 - Static Radial Rating 871000 lbf Dimensions d - Cone Bore 19.2530 in B - Double Cone Width 6.0625 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.13 in da - Cone Frontface Backing Diameter 20.31 in Ab - Cage-Cone Frontface Clearance 0.19 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 108000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 728000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 189000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 87800 lbf Factors K - Factor7 1.24 G1 - Heat Generation Factor (Roller-Raceway) 5450 Cg - Geometry Factor8 0.253