Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken M272749DGW - M272710

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 M272700 Cone Part Number M272749DGW Cup Part Number M272710 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. Dimensions d - Bore 18.8750 in D - Cup Outer Diameter 26.7500 in B - Double Cone Width 9.3750 in C - Cup Width 4.0000 in T - Bearing Width across Cups 9.3749 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 20.08 in Db - Cup Backface Backing Diameter 24.92 in Ab - Cage-Cone Frontface Clearance 0.41 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 218000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 1460000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 379000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 124000 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y1 - ISO Factor9 2.03 Y2 - ISO Factor10 3.02 Cg - Geometry Factor11 0.26 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary