Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA539 - 533D
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Описание
NA539 Specifications Cone Part Number NA539 Cup Part Number 533D Related Assembly Number(s) NA539-90025 Design Unit Inch Dimensions d - Bore 2.1250 in D - Cup Outer Diameter 4.3750 in T - Bearing Width across Cones 3.125 in C - Double Cup Width 2.5 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 2.68 in Da - Cup Frontface Backing Diameter 3.96 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 10000 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 67400 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 5090 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 17500 lbf Factors K - Factor7 1.97 e - ISO Factor8 0.3 Y1 - ISO Factor9 2.28 Y2 - ISO Factor10 3.39