Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken HM259049D - HM259010

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 HM259000 Cone Part Number HM259049D Cup Part Number HM259010 Design Unit Inch Cage Material Pin-Type Note This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components. Related Assembly Number(s) HM259049D-90027 Dimensions d - Bore 12.5000 in D - Cup Outer Diameter 17.6250 in B - Double Cone Width 6.2500 in C - Cup Width 2.6875 in T - Bearing Width across Cups 6.2499 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 13.39 in Db - Cup Backface Backing Diameter 16.46 in Ab - Cage-Cone Frontface Clearance 0.21 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 97800 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 656000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 170000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 56000 lbf Factors K - Factor7 1.74 e - ISO Factor8 0.33 Y1 - ISO Factor9 2.02 Y2 - ISO Factor10 3 G1 - Heat Generation Factor (Roller-Raceway) 2940 G2 - Heat Generation Factor (Rib-Roller End) 304 Cg - Geometry Factor11 0.186 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary