Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken EE780655 - 781376D

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 780000 Cone Part Number EE780655 Cup Part Number 781376D Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 6 1/2 in D - Cup Outer Diameter 13.75 in B - Cone Width 2.375 in C - Double Cup Width 3.8750 in T - Bearing Width across Cones 5.4997 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.190 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 7.8 in Da - Cup Frontface Backing Diameter 12.56 in Aa - Cage-Cone Backface Clearance 0.27 in a - Effective Center Location3 -0.01 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 51100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 343000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 88900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 34900 lbf Factors K - Factor8 1.46 e - ISO Factor9 0.4 Y1 - ISO Factor10 1.69 Y2 - ISO Factor11 2.52 Cg - Geometry Factor12 0.118