Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken EE280626 - 281201D

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 280000 Cone Part Number EE280626 Cup Part Number 281201D Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 6.25 in D - Cup Outer Diameter 12 in B - Cone Width 2.7207 in C - Double Cup Width 3.8750 in T - Bearing Width across Cones 5.8203 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 7.56 in Da - Cup Frontface Backing Diameter 11.12 in Aa - Cage-Cone Backface Clearance 0.56 in a - Effective Center Location3 -0.48 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 35100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 236000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 61200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 21700 lbf Factors K - Factor8 1.62 e - ISO Factor9 0.36 Y1 - ISO Factor10 1.87 Y2 - ISO Factor11 2.79 Cg - Geometry Factor12 0.112