Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken L555249 - L555210DC

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 L555200 Cone Part Number L555249 Cup Part Number L555210DC Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) L555249-902A3 Dimensions d - Bore 11 1/2 in D - Cup Outer Diameter 14-3/4 in B - Cone Width 1.875 in C - Double Cup Width 3.1250 in T - Bearing Width across Cones 4.125 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 12.17 in Da - Cup Frontface Backing Diameter 14.26 in Aa - Cage-Cone Backface Clearance 0.18 in a - Effective Center Location3 0.69 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 30300 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 203000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 52700 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 20800 lbf Factors K - Factor8 1.45 e - ISO Factor9 0.4 Y1 - ISO Factor10 1.68 Y2 - ISO Factor11 2.5 Cg - Geometry Factor12 0.155