Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA97450 - 97901D
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Описание
NA97450 Specifications Cone Part Number NA97450 Cup Part Number 97901D Design Unit Inch Dimensions d - Bore 4 1/2 in D - Cup Outer Diameter 9.0000 in T - Bearing Width across Cones 4.5625 in C - Double Cup Width 3.3125 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 5.51 in Da - Cup Frontface Backing Diameter 8.39 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 21900 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 147000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 27600 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 38200 lbf Factors K - Factor7 0.79 e - ISO Factor8 0.74 Y1 - ISO Factor9 0.92 Y2 - ISO Factor10 1.36