Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken M244249DW - M244210XX

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 M244200 Cone Part Number M244249DW Cup Part Number M244210XX Design Unit Inch Cage Material Stamped Steel Note This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components. Dimensions d - Bore 8.6875 in D - Cup Outer Diameter 12.3750 in B - Double Cone Width 4.5625 in C - Cup Width 1.9375 in T - Bearing Width across Cups 4.5624 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 9.25 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 40500 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 272000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 70500 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 23100 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) 1150 G2 - Heat Generation Factor (Rib-Roller End) 141 Cg - Geometry Factor11 0.136 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary