Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 48686 - 48620DC

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 48686 Cup Part Number 48620DC Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 5.625 in D - Cup Outer Diameter 7.875 in B - Cone Width 1.6875 in C - Double Cup Width 2.875 in T - Bearing Width across Cones 3.4376 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 0.06 in a - Effective Center Location3 -0.12 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 15700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 106000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 27400 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 9060 lbf Factors K - Factor8 1.74 e - ISO Factor9 0.34 Y1 - ISO Factor10 2.01 Y2 - ISO Factor11 2.99 Cg - Geometry Factor12 0.124