Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken M268749 - M268710CD

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 M268700 Cone Part Number M268749 Cup Part Number M268710CD Design Unit Inch Cage Material Pin-Type Related Assembly Number(s) M268749-90013 Dimensions d - Bore 16.3750 in D - Cup Outer Diameter 23.2500 in B - Cone Width 4.5000 in C - Double Cup Width 7.6250 in T - Bearing Width across Cones 9.6249 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 17.76 in Da - Cup Frontface Backing Diameter 22.14 in Aa - Cage-Cone Backface Clearance 0.34 in a - Effective Center Location3 -0.37 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 166000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 1120000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 290000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 94800 lbf Factors K - Factor8 1.76 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.03 Y2 - ISO Factor11 3.02 Cg - Geometry Factor12 0.232