Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken H244849D - H244810

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 H244800 Cone Part Number H244849D Cup Part Number H244810 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) H244849D-90011 Dimensions d - Bore 8.6250 in D - Cup Outer Diameter 14.125 in B - Double Cone Width 7.8750 in C - Cup Width 3.3750 in T - Bearing Width across Cups 7.7499 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 9.53 in Db - Cup Backface Backing Diameter 12.72 in Ab - Cage-Cone Frontface Clearance 0.14 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 84200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 566000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 147000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 47900 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y1 - ISO Factor9 2.03 Y2 - ISO Factor10 3.02 G1 - Heat Generation Factor (Roller-Raceway) 1630 G2 - Heat Generation Factor (Rib-Roller End) 150 Cg - Geometry Factor11 0.154 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary