Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken NA48290SW - 48220D

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 48200 Cone Part Number NA48290SW Cup Part Number 48220D Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 5 in D - Cup Outer Diameter 7.1875 in B - Cone Width 1.8437 in C - Double Cup Width 2.875 in T - Bearing Width across Cones 3.6874 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 5.55 in Da - Cup Frontface Backing Diameter 6.95 in Aa - Cage-Cone Backface Clearance 0.22 in a - Effective Center Location3 -0.37 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 15600 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 8160 lbf Factors K - Factor6 1.91 e - ISO Factor7 0.31 Y1 - ISO Factor8 2.21 Y2 - ISO Factor9 3.29