Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount) Timken 8578 - 8520 (Y2S-8520)

Описание

Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount) Specifications Cone Part Number 8578 Cup Part Number 8520 Related Assembly Number(s) 8578-90198 Outer Spacer Part Number Y2S-8520 Design Unit Inch Dimensions d - Bore 9 1/2 in D - Cup Outer Diameter 12.875 in T - Width 4.125 in B - Width 4.125 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.130 in db - Cone Backface Backing Diameter 10.39 in Da - Cup Frontface Backing Diameter 12.40 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)3 30700 lbf C1 - Dynamic Radial Rating (1 million revolutions)4 206000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)5 21400 lbf C90(2)- Dynamic Radial Rating (Two-Row, 90 million revolutions)6 53500 lbf Factors K - Factor7 1.44 e - ISO Factor8 0.41 Y1 - ISO Factor9 1.66 Y2 - ISO Factor10 2.47