Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 18690 - 18620D

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 18600 Cone Part Number 18690 Cup Part Number 18620D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 18690-90019 Dimensions d - Bore 1.8125 in D - Cup Outer Diameter 3.1250 in B - Cone Width 0.6875 in C - Double Cup Width 1.3125 in T - Bearing Width across Cones 1.6248 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.11 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 2.2 in Da - Cup Frontface Backing Diameter 2.94 in Aa - Cage-Cone Backface Clearance 0.01 in a - Effective Center Location3 -0.08 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 3030 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 20400 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 5280 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 1940 lbf Factors K - Factor8 1.56 e - ISO Factor9 0.37 Y1 - ISO Factor10 1.8 Y2 - ISO Factor11 2.69 Cg - Geometry Factor12 0.0725