Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 8576D - 8520

Описание

TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft. Specifications Series 8500 Cone Part Number 8576D Cup Part Number 8520 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 8576D-902B1 Dimensions d - Bore 9.25 in D - Cup Outer Diameter 12.875 in B - Double Cone Width 3.6875 in C - Cup Width 1.4375 in T - Bearing Width across Cups 3.6875 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.06 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 9.84 in Db - Cup Backface Backing Diameter 12.01 in Ab - Cage-Cone Frontface Clearance 0.13 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 30700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 206000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 53500 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 21400 lbf Factors K - Factor7 1.44 e - ISO Factor8 0.41 Y1 - ISO Factor9 1.66 Y2 - ISO Factor10 2.47 Cg - Geometry Factor11 0.14 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary