Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA98350 - 98789D
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Описание
NA98350 Specifications Cone Part Number NA98350 Cup Part Number 98789D Related Assembly Number(s) NA98350-90025 Design Unit Inch Dimensions d - Bore 3 1/2 in D - Cup Outer Diameter 7.875 in T - Bearing Width across Cones 4.5625 in C - Double Cup Width 3.1581 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 4.65 in Da - Cup Frontface Backing Diameter 7.41 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 23700 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 159000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 25600 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 41200 lbf Factors K - Factor7 0.92 e - ISO Factor8 0.63 Y1 - ISO Factor9 1.07 Y2 - ISO Factor10 1.59