Grooves 6, Rotation CW, Thread size M14-1.50, Outer Diameter 57.50, Belt type Multi Belt, Depth 12.20, Free run w/, Width 1 45.00, Groove Measurement 1 8.40, Rear Distance 4.30, Bore dia. 17.00, 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