Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 48286 - 48220DC

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 48200 Cone Part Number 48286 Cup Part Number 48220DC Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 48286-90106 Dimensions d - Bore 4.8750 in D - Cup Outer Diameter 7.1875 in B - Cone Width 1.5000 in C - Double Cup Width 2.875 in T - Bearing Width across Cones 3.3751 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 5.47 in Da - Cup Frontface Backing Diameter 6.95 in Aa - Cage-Cone Backface Clearance 0.06 in a - Effective Center Location3 -0.22 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 15600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 105000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 27200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 8160 lbf Factors K - Factor8 1.91 e - ISO Factor9 0.31 Y1 - ISO Factor10 2.21 Y2 - ISO Factor11 3.29 Cg - Geometry Factor12 0.114