Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 9378 - 9320D

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 9300 Cone Part Number 9378 Cup Part Number 9320D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 9378-90011 Dimensions d - Bore 3 in D - Cup Outer Diameter 7.0000 in B - Cone Width 2 in C - Double Cup Width 2.9375 in T - Bearing Width across Cones 4.5624 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.090 in db - Cone Backface Backing Diameter 4.13 in Da - Cup Frontface Backing Diameter 6.48 in Aa - Cage-Cone Backface Clearance 0.44 in a - Effective Center Location3 0.05 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 21200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 142000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 36800 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 27700 lbf Factors K - Factor8 0.76 e - ISO Factor9 0.76 Y1 - ISO Factor10 0.88 Y2 - ISO Factor11 1.31 Cg - Geometry Factor12 0.105