Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 389DE - 382

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 385 Cone Part Number 389DE Cup Part Number 382 Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 3/16 in D - Cup Outer Diameter 3.8750 in B - Double Cone Width 2.0940 in C - Cup Width 0.7018 in T - Bearing Width across Cups 2.0195 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.030 in da - Cone Frontface Backing Diameter 2.48 in Db - Cup Backface Backing Diameter 3.54 in Ab - Cage-Cone Frontface Clearance 0.11 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 5300 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 35600 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 9230 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 3210 lbf Factors K - Factor7 1.65 e - ISO Factor8 0.35 Y1 - ISO Factor9 1.91 Y2 - ISO Factor10 2.84 G1 - Heat Generation Factor (Roller-Raceway) 42 G2 - Heat Generation Factor (Rib-Roller End) 15.7 Cg - Geometry Factor11 0.0859 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary