06B57 MSG

Metric B style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and hardened teeth are quick alterations that can be made.

Martin Roller Chain Sprocket, Type B Single Strand Stock Bore Welded, 19 to 45 mm Bore, 178.462 mm OD, #06B-1 Chain, 57 Teeth, 9.525 mm Pitch, 172.906 mm Pitch Diameter, 75.006 mm Diameter Hub, 30 mm Length Through Bore, Steel