Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken M270744 - M270710CD

Описание

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore. Specifications Series M270700 Cone Part Number M270744 Cup Part Number M270710CD Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 17.5 in D - Cup Outer Diameter 25.0000 in B - Cone Width 4.7500 in C - Double Cup Width 8.1250 in T - Bearing Width across Cones 10.1250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 18.94 in Da - Cup Frontface Backing Diameter 23.98 in Aa - Cage-Cone Backface Clearance 0.31 in a - Effective Center Location3 -0.32 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 191000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 1280000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 332000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 109000 lbf Factors K - Factor8 1.76 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.03 Y2 - ISO Factor11 3.02 Cg - Geometry Factor12 0.246