Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken EE129123D - 129174

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 129000 Cone Part Number EE129123D Cup Part Number 129174 Design Unit Inch Cage Material Stamped Steel Note This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components. Dimensions d - Bore 12.0079 in D - Cup Outer Diameter 17.3208 in B - Double Cone Width 5.3125 in C - Cup Width 2.1250 in T - Bearing Width across Cups 5.2499 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.13 in r - Cup Backface "To Clear" Radius2 0.190 in da - Cone Frontface Backing Diameter 12.91 in Db - Cup Backface Backing Diameter 16.02 in Ab - Cage-Cone Frontface Clearance -0.02 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 52200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 351000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 91000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 37200 lbf Factors K - Factor7 1.4 e - ISO Factor8 0.42 Y1 - ISO Factor9 1.62 Y2 - ISO Factor10 2.42 Cg - Geometry Factor11 0.171 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary