Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA44143 - 44363D
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Описание
NA44143 Specifications Cone Part Number NA44143 Cup Part Number 44363D Related Assembly Number(s) NA44143-90035 Design Unit Inch Dimensions d - Bore 1 7/16 in D - Cup Outer Diameter 3.6250 in T - Bearing Width across Cones 2.1875 in C - Double Cup Width 1.5625 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 2.01 in Da - Cup Frontface Backing Diameter 3.39 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 5810 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 32900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 7770 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 10100 lbf Factors K - Factor7 0.75 e - ISO Factor8 0.78 Y1 - ISO Factor9 0.86 Y2 - ISO Factor10 1.29