Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken L521945 - L521910D

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 L521900 Cone Part Number L521945 Cup Part Number L521910D Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) L521945-90019 Dimensions d - Bore 4 in D - Cup Outer Diameter 5.7500 in B - Cone Width 0.8438 in C - Double Cup Width 1.5625 in T - Bearing Width across Cones 1.9374 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 4.41 in Da - Cup Frontface Backing Diameter 5.57 in Aa - Cage-Cone Backface Clearance 0.01 in a - Effective Center Location3 0.19 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 5600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 37600 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 9740 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 3760 lbf Factors K - Factor8 1.49 e - ISO Factor9 0.39 Y1 - ISO Factor10 1.72 Y2 - ISO Factor11 2.56 Cg - Geometry Factor12 0.135