Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA782 - 774CD
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Описание
NA782 Specifications Cone Part Number NA782 Cup Part Number 774CD Design Unit Inch Dimensions d - Bore 4.1250 in D - Cup Outer Diameter 7-1/8 in T - Bearing Width across Cones 4.125 in C - Double Cup Width 3.3750 in Ka 0.75 in Kb 0.28 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.14 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 4.8 in Da - Cup Frontface Backing Diameter 6.65 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 20200 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 135000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 13300 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 35100 lbf Factors K - Factor7 1.51 e - ISO Factor8 0.39 Y1 - ISO Factor9 1.75 Y2 - ISO Factor10 2.61