Very High Speed Fully Automatic Bearing Needle Rollers OD visual inspection Machine - More than 8 Needles inspected every Second. - 360 degree OD surface checked three times for every Needle Roller - 80 micron and above defects identified, defect size configurable - Defect Types - Rust, Pitting, Grinding Mark, Dent, Scratches, Cut marks, Bend, chamfer and Length out of range Detected.