Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial Timken 581D - 572A

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 575 Cone Part Number 581D Cup Part Number 572A Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 3 3/16 in D - Cup Outer Diameter 5.5111 in B - Double Cone Width 3.1549 in C - Cup Width 1.1250 in T - Bearing Width across Cups 3.0881 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 3.62 in Db - Cup Backface Backing Diameter 4.88 in Ab - Cage-Cone Frontface Clearance 0.1 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 12100 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 80900 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 21000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 8330 lbf Factors K - Factor7 1.45 e - ISO Factor8 0.4 Y1 - ISO Factor9 1.67 Y2 - ISO Factor10 2.49 Cg - Geometry Factor11 0.13 Spacer Note Spacer shows standard nominal .01 radii, actual bearing may vary