Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken HM237542D - HM237511

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 HM237500 Cone Part Number HM237542D Cup Part Number HM237511 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 6.8750 in D - Cup Outer Diameter 11.3750 in B - Double Cone Width 4.8750 in C - Cup Width 1.8750 in T - Bearing Width across Cups 4.8750 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 7.52 in Db - Cup Backface Backing Diameter 10.47 in Ab - Cage-Cone Frontface Clearance 0.2 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 48000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 322000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 83600 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 26200 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) 751 G2 - Heat Generation Factor (Rib-Roller End) 101 Cg - Geometry Factor11 0.117 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary