Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 52387P - 52637D

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 52000 Cone Part Number 52387P Cup Part Number 52637D Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 3.8750 in D - Cup Outer Diameter 6-3/8 in B - Cone Width 1.4219 in C - Double Cup Width 2.4375 in T - Bearing Width across Cones 3.2498 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 4.49 in Da - Cup Frontface Backing Diameter 6.08 in Aa - Cage-Cone Backface Clearance 0.16 in a - Effective Center Location3 -0.02 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 15400 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 104000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 26900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 12500 lbf Factors K - Factor8 1.23 e - ISO Factor9 0.47 Y1 - ISO Factor10 1.42 Y2 - ISO Factor11 2.12 Cg - Geometry Factor12 0.152