Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA329121 - 329173CD
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Описание
NA329121 Specifications Cone Part Number NA329121 Cup Part Number 329173CD Related Assembly Number(s) NA329121-902A1 Design Unit Inch Dimensions d - Bore 12 in D - Cup Outer Diameter 17.246 in T - Bearing Width across Cones 6.3750 in C - Double Cup Width 4.875 in Ka 0.88 in Kb 0.44 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.25 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 13.11 in Da - Cup Frontface Backing Diameter 16.3 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 64300 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 432000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 36500 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 112000 lbf Factors K - Factor7 1.76 e - ISO Factor8 0.33 Y1 - ISO Factor9 2.04 Y2 - ISO Factor10 3.03