Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 93787A - 93128XD

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 93000 Cone Part Number 93787A Cup Part Number 93128XD Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7.8720 in D - Cup Outer Diameter 12.5975 in B - Cone Width 3.0460 in C - Double Cup Width 4.375 in T - Bearing Width across Cones 6.8419 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 9.09 in Da - Cup Frontface Backing Diameter 11.84 in Aa - Cage-Cone Backface Clearance 0.87 in a - Effective Center Location3 -0.23 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 40200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 270000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 70100 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 36100 lbf Factors K - Factor8 1.12 e - ISO Factor9 0.52 Y1 - ISO Factor10 1.29 Y2 - ISO Factor11 1.92 Cg - Geometry Factor12 0.146