Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken EE291251 - 291751CD

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 290000 Cone Part Number EE291251 Cup Part Number 291751CD Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 12.5000 in D - Cup Outer Diameter 17.5 in B - Cone Width 2.4375 in C - Double Cup Width 3.8750 in T - Bearing Width across Cones 5.7499 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.590 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 14.21 in Da - Cup Frontface Backing Diameter 16.34 in Aa - Cage-Cone Backface Clearance 0.4 in a - Effective Center Location3 0.3 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 51700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 347000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 90000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 33400 lbf Factors K - Factor8 1.55 e - ISO Factor9 0.38 Y1 - ISO Factor10 1.79 Y2 - ISO Factor11 2.66 Cg - Geometry Factor12 0.156