Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 48393D - 48328

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 48300 Cone Part Number 48393D Cup Part Number 48328 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 5.3750 in D - Cup Outer Diameter 8 in B - Double Cone Width 3.0625 in C - Cup Width 1.3125 in T - Bearing Width across Cups 3.0624 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 5.67 in Db - Cup Backface Backing Diameter 7.17 in Ab - Cage-Cone Frontface Clearance 0.08 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 16500 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 111000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 28700 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 9060 lbf Factors K - Factor7 1.82 e - ISO Factor8 0.32 Y1 - ISO Factor9 2.1 Y2 - ISO Factor10 3.13 Cg - Geometry Factor11 0.121 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary