Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial Timken NA55200 - 55444D
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Описание
NA55200 Specifications Cone Part Number NA55200 Cup Part Number 55444D Design Unit Inch Dimensions d - Bore 2 in D - Cup Outer Diameter 4-7/16 in T - Bearing Width across Cones 2.5625 in C - Double Cup Width 1.8125 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.09 in r - Cup Backface "To Clear" Radius2 0.06 in db - Cone Backface Backing Diameter 2.72 in Da - Cup Frontface Backing Diameter 4.15 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 6200 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 41600 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 9380 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 10800 lbf Factors K - Factor7 0.66 e - ISO Factor8 0.88 Y1 - ISO Factor9 0.76 Y2 - ISO Factor10 1.14