Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 81637 - 81963CD

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 81000 Cone Part Number 81637 Cup Part Number 81963CD Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 81637-90126 Dimensions d - Bore 6.3750 in D - Cup Outer Diameter 9.6250 in B - Cone Width 1.8437 in C - Double Cup Width 3.1250 in T - Bearing Width across Cones 4.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 7.01 in Da - Cup Frontface Backing Diameter 9.06 in Aa - Cage-Cone Backface Clearance 0.31 in a - Effective Center Location3 -0.21 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 23400 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 157000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 40800 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 14100 lbf Factors K - Factor8 1.66 e - ISO Factor9 0.35 Y1 - ISO Factor10 1.92 Y2 - ISO Factor11 2.86 Cg - Geometry Factor12 0.125