Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken LM281049 - LM281010CD

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 LM281000 Cone Part Number LM281049 Cup Part Number LM281010CD Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) LM281049-904A5 Dimensions d - Bore 25.4375 in D - Cup Outer Diameter 33.7500 in B - Cone Width 5.5625 in C - Double Cup Width 9.5000 in T - Bearing Width across Cones 12.0000 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 26.93 in Da - Cup Frontface Backing Diameter 32.48 in Aa - Cage-Cone Backface Clearance 0.44 in a - Effective Center Location3 0.12 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 1220000 N C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 1840000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 477000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 156000 lbf Factors K - Factor8 1.76 e - ISO Factor9 0.7 Y1 - ISO Factor10 0.97 Y2 - ISO Factor11 1.44 Cg - Geometry Factor12 0.315