Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken EE129120X - 129173CD

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 129000 Cone Part Number EE129120X Cup Part Number 129173CD Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) EE129120X-902A8 Dimensions d - Bore 12 in D - Cup Outer Diameter 17.246 in B - Cone Width 3.0312 in C - Double Cup Width 4.7500 in T - Bearing Width across Cones 6.4999 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 13.15 in Da - Cup Frontface Backing Diameter 16.3 in Aa - Cage-Cone Backface Clearance 0.56 in a - Effective Center Location3 0.29 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 52200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 351000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 91000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 37200 lbf Factors K - Factor8 1.4 e - ISO Factor9 0.42 Y1 - ISO Factor10 1.62 Y2 - ISO Factor11 2.42 Cg - Geometry Factor12 0.171