Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 443 - 432DC

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 435 Cone Part Number 443 Cup Part Number 432DC Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 1 1/4 in D - Cup Outer Diameter 3.7500 in B - Cone Width 1.1772 in C - Double Cup Width 2.0000 in T - Bearing Width across Cones 2.4376 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 1.65 in Da - Cup Frontface Backing Diameter 3.46 in Aa - Cage-Cone Backface Clearance 0.04 in a - Effective Center Location3 -0.36 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 7400 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 49700 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 12900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 3600 lbf Factors K - Factor8 2.05 e - ISO Factor9 0.28 Y1 - ISO Factor10 2.37 Y2 - ISO Factor11 3.53 Cg - Geometry Factor12 0.0805