Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 46780 - 46720CD

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 46700 Cone Part Number 46780 Cup Part Number 46720CD Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 46780-90209 Dimensions d - Bore 6.25 in D - Cup Outer Diameter 8 7/8 in B - Cone Width 1.5625 in C - Double Cup Width 2.75 in T - Bearing Width across Cones 3.3750 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 6.93 in Da - Cup Frontface Backing Diameter 8.62 in Aa - Cage-Cone Backface Clearance 0.13 in a - Effective Center Location3 0.1 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 17700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 119000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 30800 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 11600 lbf Factors K - Factor8 1.52 e - ISO Factor9 0.38 Y1 - ISO Factor10 1.76 Y2 - ISO Factor11 2.62 Cg - Geometry Factor12 0.143