Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 67790D - 67720V

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 67700 Cone Part Number 67790D Cup Part Number 67720V Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 7 in D - Cup Outer Diameter 9 3/4 in B - Double Cone Width 3.5625 in C - Cup Width 1.5000 in T - Bearing Width across Cups 3.5624 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 7.52 in Db - Cup Backface Backing Diameter 9.02 in Ab - Cage-Cone Frontface Clearance 0.11 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 23600 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 159000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 41100 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 17800 lbf Factors K - Factor7 1.33 e - ISO Factor8 0.44 Y1 - ISO Factor9 1.54 Y2 - ISO Factor10 2.29 G1 - Heat Generation Factor (Roller-Raceway) 622 G2 - Heat Generation Factor (Rib-Roller End) 122 Cg - Geometry Factor11 0.121 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary