Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA52375 - 52637D
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Описание
NA52375 Specifications Cone Part Number NA52375 Cup Part Number 52637D Related Assembly Number(s) NA52375-90024 Design Unit Inch Dimensions d - Bore 3 3/4 in D - Cup Outer Diameter 6-3/8 in T - Bearing Width across Cones 3.2499 in C - Double Cup Width 2.4375 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 4.41 in Da - Cup Frontface Backing Diameter 6.08 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 13000 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 87500 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 10600 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 22700 lbf Factors K - Factor7 1.23 e - ISO Factor8 0.47 Y1 - ISO Factor9 1.42 Y2 - ISO Factor10 2.12