Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 645 - 632D

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 635 Cone Part Number 645 Cup Part Number 632D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 645-90040 Dimensions d - Bore 2 13/16 in D - Cup Outer Diameter 5.3750 in B - Cone Width 1.625 in C - Double Cup Width 3 in T - Bearing Width across Cones 3.7500 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 3.66 in Da - Cup Frontface Backing Diameter 4.96 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 -0.44 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 16100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 108000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 28000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 9980 lbf Factors K - Factor8 1.61 e - ISO Factor9 0.36 Y1 - ISO Factor10 1.86 Y2 - ISO Factor11 2.78 Cg - Geometry Factor12 0.0814