Thomson Linear 3/4 AL PD RL Shaft, 60 Case, 0.7488 / 0.7496 in Diameter, Predrilled, Class AL, Aluminum 6061-T6, 70 Rockwell C M

Thomson 60 Case LinearRace shafting is manufactured to the highest quality standards. Using 60 Case® LinearRace shafting with Thomson Ball Bushing bearings ensures optimal bearing performance and travel life.Available from stock and cut to length in most material types and options.Centerless ground for an industry leading cataloged surface finish of 8 Ra max.Roundness within .000080" for Class L, S, D, M and .000050" for Class N.Straight within .001" per foot cumulative when shipped from the factory.All Predrilled Shafting contains Standard Y Dimensions (Y1=Y2). The Y dimension is the distance from the center of the predrilled hole(s) nearest the end(s) of the shaft.SpecificationsSpecificationValueShaft TypePredrilledMaterial, ShaftAluminumSurface Finish16 Ra microinch MaxTolerance ClassClass ALHardness70 Rockwell C Min.Option Predrilled (PD)PredrilledLength3,048 mm / 120 inDiameter19 mm / 0.750 inCase Depth, Minimum0.000 mm / 0.000 inTaper0.0025 mm / 0.0001 in