Thomson Linear 1/4 AL CTL Shaft, 60 Case, 0.2488 / 0.2496 in Diameter, Class AL, Aluminum 6061-T6, 70 Rockwell C Min. (coating),

Thomson Aluminum shaft is for use with Fluoronyliner bearings. Not for use with recirculating ball bushing bushings.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.SpecificationsSpecificationsValueCase Depth, Minimum0.027 inClassClass ALHardness70 Rockwell C Min. (coating)MaterialAluminum 6061-T6Material, ShaftAluminum 6061-T6Roundness0.000080 inStraightness0.001 in per Foot Cumulative (.002 in TIR)Surface Finish16 Ra microinch MaxTaper0.0001 inUPC Number662486180203Weight0.005 lb/inDimensionsDimensionValue[d] Shaft, Nominal Diameter0.25 inActual Diameter0.2488 / 0.2496 in