16B57 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, 32 to 90 mm Bore, 476.957 mm OD, #16B-1 Chain, 57 Teeth, 25.4 mm Pitch, 461.082 mm Pitch Diameter, 129.997 mm Diameter Hub, 50 mm Length Through Bore, Steel