Tapered Roller Bearings - Double Tapered Cones - Imperial Timken LM272249DW

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 LM272200 Cone Part Number LM272249DW Design Units Imperial Cage Type Stamped Steel C1 - Dynamic Radial Rating (1 million revolutions)1 380000 lbf C0 - Static Radial Rating 921000 lbf Dimensions d - Cone Bore 19.0000 in B - Double Cone Width 6.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius2 0.13 in da - Cone Frontface Backing Diameter 19.84 in Ab - Cage-Cone Frontface Clearance 0.23 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 98600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 662000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 172000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 56100 lbf Factors K - Factor7 1.76 G1 - Heat Generation Factor (Roller-Raceway) 6040 G2 - Heat Generation Factor (Rib-Roller End) 665 Cg - Geometry Factor8 0.233