Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 93751D - J93129A

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 93000 Cone Part Number 93751D Cup Part Number J93129A Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7.5 in D - Cup Outer Diameter 12.5984 in B - Double Cone Width 5.2500 in C - Cup Width 1.8125 in T - Bearing Width across Cups 5.2499 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 8.74 in Db - Cup Backface Backing Diameter 11.30 in Ab - Cage-Cone Frontface Clearance 0.21 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 42600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 286000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 74200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 38200 lbf Factors K - Factor7 1.12 e - ISO Factor8 0.52 Y1 - ISO Factor9 1.29 Y2 - ISO Factor10 1.92 G1 - Heat Generation Factor (Roller-Raceway) 912 G2 - Heat Generation Factor (Rib-Roller End) 126 Cg - Geometry Factor11 0.146 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary