Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken EE790119D - 790221

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 790000 Cone Part Number EE790119D Cup Part Number 790221 Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 12 in D - Cup Outer Diameter 22.0000 in B - Double Cone Width 11.2500 in C - Cup Width 3.8750 in T - Bearing Width across Cups 11.2500 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.250 in da - Cone Frontface Backing Diameter 13.35 in Db - Cup Backface Backing Diameter 19.72 in Ab - Cage-Cone Frontface Clearance 0.34 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 180000 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 1210000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 314000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 122000 lbf Factors K - Factor7 1.48 e - ISO Factor8 0.4 Y1 - ISO Factor9 1.71 Y2 - ISO Factor10 2.54 Cg - Geometry Factor11 0.19 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary