Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA56393SW - 56649D
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Описание
NA56393SW Specifications Cone Part Number NA56393SW Cup Part Number 56649D Design Unit Inch Dimensions d - Bore 3.9360 in D - Cup Outer Diameter 6.4951 in T - Bearing Width across Cones 3.5 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 0.030 in db - Cone Backface Backing Diameter 4.61 in Da - Cup Frontface Backing Diameter 6.30 in Basic Load Ratings C1 - Dynamic Radial Rating (1 million revolutions)3 88600 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)4 11200 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)5 23000 lbf Factors K - Factor6 1.18 e - ISO Factor7 0.5 Y1 - ISO Factor8 1.36 Y2 - ISO Factor9 2.02