Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 71426D - 71750

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 71000 Cone Part Number 71426D Cup Part Number 71750 Design Unit Inch Cage Material Stamped Steel Related Assembly Number(s) 71426D-902A1 Dimensions d - Bore 4 1/4 in D - Cup Outer Diameter 7.5 in B - Double Cone Width 4.0000 in C - Cup Width 1.3750 in T - Bearing Width across Cups 3.8749 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 4.8 in Db - Cup Backface Backing Diameter 6.73 in Ab - Cage-Cone Frontface Clearance 0.1 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 21200 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 142000 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 36900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 15100 lbf Factors K - Factor7 1.4 e - ISO Factor8 0.42 Y1 - ISO Factor9 1.62 Y2 - ISO Factor10 2.42 Cg - Geometry Factor11 0.116 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary