Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken H239649D - H239612

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 H239600 Cone Part Number H239649D Cup Part Number H239612 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) H239649D-902A4 Dimensions d - Bore 7.3750 in D - Cup Outer Diameter 12.6250 in B - Double Cone Width 6.3750 in C - Cup Width 2.5625 in T - Bearing Width across Cups 6.6250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.190 in da - Cone Frontface Backing Diameter 8.23 in Db - Cup Backface Backing Diameter 11.54 in Ab - Cage-Cone Frontface Clearance 0.14 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 61100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 410000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 106000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 33400 lbf Factors K - Factor7 1.83 e - ISO Factor8 0.32 Y1 - ISO Factor9 2.12 Y2 - ISO Factor10 3.15 G1 - Heat Generation Factor (Roller-Raceway) 906 G2 - Heat Generation Factor (Rib-Roller End) 90.3 Cg - Geometry Factor11 0.124 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary