Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 2580A - 2523D

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 2500 Cone Part Number 2580A Cup Part Number 2523D Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 1 1/4 in D - Cup Outer Diameter 2.7500 in B - Cone Width 0.9983 in C - Double Cup Width 2.2500 in T - Bearing Width across Cones 2.6250 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.050 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 1.63 in Da - Cup Frontface Backing Diameter 2.56 in Aa - Cage-Cone Backface Clearance 0.02 in a - Effective Center Location3 -0.34 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 4880 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 32800 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 8500 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 2280 lbf Factors K - Factor8 2.14 e - ISO Factor9 0.27 Y1 - ISO Factor10 2.47 Y2 - ISO Factor11 3.67 Cg - Geometry Factor12 0.0656