About
8.0 Nominal (Clean Up) Diameter, 8″ dia. x 0.5″ aluminum wall 6061-T6 material, 32 Ra surface finish on roll face, Dynamically balanced at 2000 FPM or your specified web speed, Runout to bearing Cbores within 0.004″, Straightness across face within .0005″/ft. of length, Low-friction bearings installed for a 2″ diameter shaft,