Martin timing pulleys are manufactured to extremely close specifications and are stocked in minimum plain bore, Taper Bushed, Q.D. Bushed styles depending on size and pitch. Synchronous sprockets are non-slip toothed drives that require no lubrication. These sprockets have a wide speed range, are very efficient and make less noise than chain drives. Teeth on the belts are molded to conform with and engage the teeth on a mating sprocket.

Parameter Name	Parameter Value
Type	toothed synchronous
Applications	timing
Material	steel
Pitch diameter	1.19 in
Outside Diameter	1.42 in
Number of teeth	10 unit
Weight (kg)	0.2 lb (0.09