Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 866 - 854D

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 855 Cone Part Number 866 Cup Part Number 854D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 866-90066 Dimensions d - Bore 3.8750 in D - Cup Outer Diameter 7.5 in B - Cone Width 2.2650 in C - Double Cup Width 4.0000 in T - Bearing Width across Cones 4.9999 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 4.65 in Da - Cup Frontface Backing Diameter 6.86 in Aa - Cage-Cone Backface Clearance 0.15 in a - Effective Center Location3 -0.6 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 26700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 179000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 46400 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 15300 lbf Factors K - Factor8 1.74 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.02 Y2 - ISO Factor11 3 Cg - Geometry Factor12 0.107