Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken EE291176D - 291750

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 290000 Cone Part Number EE291176D Cup Part Number 291750 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 11.7500 in D - Cup Outer Diameter 17.5 in B - Double Cone Width 4.2500 in C - Cup Width 1.5625 in T - Bearing Width across Cups 4.3749 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.310 in r - Cup Backface "To Clear" Radius2 0.06 in da - Cone Frontface Backing Diameter 13.07 in Db - Cup Backface Backing Diameter 16.38 in Ab - Cage-Cone Frontface Clearance 0.34 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 51700 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 347000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 90000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 33400 lbf Factors K - Factor7 1.55 e - ISO Factor8 0.38 Y1 - ISO Factor9 1.79 Y2 - ISO Factor10 2.66 Cg - Geometry Factor11 0.156 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary