Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken L476549 - L476510CD

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 L476500 Cone Part Number L476549 Cup Part Number L476510CD Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) L476549-902A1 Dimensions d - Bore 21.6250 in D - Cup Outer Diameter 27.2500 in B - Cone Width 3.1875 in C - Double Cup Width 5.3750 in T - Bearing Width across Cones 6.8749 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 22.8 in Da - Cup Frontface Backing Diameter 26.34 in Aa - Cage-Cone Backface Clearance 0.28 in a - Effective Center Location3 1.27 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 88500 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 595000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 154000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 57000 lbf Factors K - Factor8 1.55 e - ISO Factor9 0.38 Y1 - ISO Factor10 1.79 Y2 - ISO Factor11 2.67 Cg - Geometry Factor12 0.257