Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken EE971298 - 972151D

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 970000 Cone Part Number EE971298 Cup Part Number 972151D Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) EE971298-90042 Dimensions d - Bore 12.9870 in D - Cup Outer Diameter 21.5000 in B - Cone Width 3.0000 in C - Double Cup Width 6.0000 in T - Bearing Width across Cones 7.0000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.190 in r - Cup Backface "To Clear" Radius2 0.130 in db - Cone Backface Backing Diameter 14.33 in Da - Cup Frontface Backing Diameter 19.78 in Aa - Cage-Cone Backface Clearance 0.34 in a - Effective Center Location3 0.15 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 101000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 676000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 175000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 57300 lbf Factors K - Factor8 1.76 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.03 Y2 - ISO Factor11 3.02 Cg - Geometry Factor12 0.173