Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken NA48685SW - 48620D

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 48600 Cone Part Number NA48685SW Cup Part Number 48620D Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 5.625 in D - Cup Outer Diameter 7.875 in B - Cone Width 1.8438 in C - Double Cup Width 2.875 in T - Bearing Width across Cones 3.6876 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 6.22 in Da - Cup Frontface Backing Diameter 7.61 in Aa - Cage-Cone Backface Clearance 0.22 in a - Effective Center Location3 -0.24 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 16700 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 9610 lbf Factors K - Factor6 1.74 e - ISO Factor7 0.34 Y1 - ISO Factor8 2.01 Y2 - ISO Factor9 2.99