Free run w/, Grooves 6, Width 1 47.30, Groove Measurement 1 19.00, Bore dia. 17.00, Thread size M16-1.50, Outer Diameter 54.00, Belt type Multi Belt, Remarks Attention: Always change OADTM pulleys with the same OADTM technology – To prevent damages and loss of warranty in case of failures., Pulley type OAD