Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 399D - 393A

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 395 Cone Part Number 399D Cup Part Number 393A Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 7/16 in D - Cup Outer Diameter 4-7/16 in B - Double Cone Width 2.1870 in C - Cup Width 0.6250 in T - Bearing Width across Cups 2.2047 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.130 in da - Cone Frontface Backing Diameter 2.76 in Db - Cup Backface Backing Diameter 3.94 in Ab - Cage-Cone Frontface Clearance 0.11 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 5760 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 38700 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 10000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 3970 lbf Factors K - Factor7 1.45 e - ISO Factor8 0.4 Y1 - ISO Factor9 1.68 Y2 - ISO Factor10 2.5 Cg - Geometry Factor11 0.0984 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary