Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken LM772748 - LM772710CD

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 LM772700 Cone Part Number LM772748 Cup Part Number LM772710CD Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) LM772748-902A1 Dimensions d - Bore 19.2500 in D - Cup Outer Diameter 24.9950 in B - Cone Width 3.3125 in C - Double Cup Width 5.3750 in T - Bearing Width across Cones 7.1250 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 20.55 in Da - Cup Frontface Backing Diameter 24.15 in Aa - Cage-Cone Backface Clearance 0.35 in a - Effective Center Location3 1.61 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 108000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 728000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 189000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 87800 lbf Factors K - Factor8 1.24 e - ISO Factor9 0.47 Y1 - ISO Factor10 1.43 Y2 - ISO Factor11 2.12 Cg - Geometry Factor12 0.253