Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 25590 - 25520DC

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 25500 Cone Part Number 25590 Cup Part Number 25520DC Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 25590-90078 Dimensions d - Bore 1.7960 in D - Cup Outer Diameter 3.2650 in B - Cone Width 1.0000 in C - Double Cup Width 1.8750 in T - Bearing Width across Cones 2.2500 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 2.28 in Da - Cup Frontface Backing Diameter 3.05 in Aa - Cage-Cone Backface Clearance 0.01 in a - Effective Center Location3 -0.25 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 5270 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 35400 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 9180 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 3020 lbf Factors K - Factor8 1.74 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.02 Y2 - ISO Factor11 3 Cg - Geometry Factor12 0.0801