Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken M255449WS - M255410CD

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 M255400 Cone Part Number M255449WS Cup Part Number M255410CD Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 11.3750 in D - Cup Outer Diameter 16.0000 in B - Cone Width 3.0625 in C - Double Cup Width 5.1250 in T - Bearing Width across Cones 6.4999 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 12.44 in Da - Cup Frontface Backing Diameter 15.28 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 -0.16 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 73400 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 493000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 128000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 42500 lbf Factors K - Factor8 1.73 e - ISO Factor9 0.34 Y1 - ISO Factor10 2 Y2 - ISO Factor11 2.97 Cg - Geometry Factor12 0.172