Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken NA67885SW - 67820CD

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 67800 Cone Part Number NA67885SW Cup Part Number 67820CD Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7.5 in D - Cup Outer Diameter 10.5 in B - Cone Width 2.1562 in C - Double Cup Width 3.3125 in T - Bearing Width across Cones 4.3124 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 8.23 in Da - Cup Frontface Backing Diameter 10.25 in Aa - Cage-Cone Backface Clearance 0.3 in a - Effective Center Location3 0.27 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 24300 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 19800 lbf Factors K - Factor6 1.22 e - ISO Factor7 0.48 Y1 - ISO Factor8 1.41 Y2 - ISO Factor9 2.11