Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA13687 - 13621D
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Описание
NA13687 Specifications Cone Part Number NA13687 Cup Part Number 13621D Related Assembly Number(s) NA13687-90051 Design Unit Inch Dimensions d - Bore 1 1/2 in D - Cup Outer Diameter 2.7170 in T - Bearing Width across Cones 1.8124 in C - Double Cup Width 1.5000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.08 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 1.83 in Da - Cup Frontface Backing Diameter 2.60 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 3920 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 22200 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 2700 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 6820 lbf Factors K - Factor7 1.45 e - ISO Factor8 0.4 Y1 - ISO Factor9 1.68 Y2 - ISO Factor10 2.5