Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken HM252348 - HM252311D

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 HM252300 Cone Part Number HM252348 Cup Part Number HM252311D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) HM252348-90064 Dimensions d - Bore 10.2500 in D - Cup Outer Diameter 16.6250 in B - Cone Width 3.1406 in C - Double Cup Width 5.0625 in T - Bearing Width across Cones 6.8125 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.270 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 11.5 in Da - Cup Frontface Backing Diameter 15.79 in Aa - Cage-Cone Backface Clearance 0.48 in a - Effective Center Location3 -0.37 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 87400 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 587000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 152000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 49700 lbf Factors K - Factor8 1.76 e - ISO Factor9 0.33 Y1 - ISO Factor10 2.03 Y2 - ISO Factor11 3.02 Cg - Geometry Factor12 0.148