Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 455-S - 452D

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 455 Cone Part Number 455-S Cup Part Number 452D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 455S-90120 Dimensions d - Bore 2 in D - Cup Outer Diameter 4.25 in B - Cone Width 1.1542 in C - Double Cup Width 2.1250 in T - Bearing Width across Cones 2.5625 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 2.56 in Da - Cup Frontface Backing Diameter 3.96 in Aa - Cage-Cone Backface Clearance 0.07 in a - Effective Center Location3 -0.28 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 9370 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 62900 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 16300 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 5380 lbf Factors K - Factor8 1.74 e - ISO Factor9 0.34 Y1 - ISO Factor10 2.01 Y2 - ISO Factor11 3 Cg - Geometry Factor12 0.0946