#50 Chain Sprocket with 27 Tooth and 1 7/16" Finished Bore, Model #50BS27-1 7/16 Chain Sprocket The belt series most common

The belt series most common for this pulley is  4L

Rubber Open Timing Belt 15mm Wide 5mm Pitch for CNC Step Motor

132"Outside Length

Commonly used in plummer block housings like SNL513 or equivalent bearing units

#50 Chain Sprocket with 27 Tooth and 1 7/16" Finished Bore, Model #50BS27-1 7/16 Chain Sprocket The belt series most commonSprocket #50 Chain 27 Tooth, 1 7 16 Finished Bore with Keyway & Set Screws Looking for a reliable #50 chain sprocket? This 27 tooth, 1 7 16 finished bore sprocket is built for dependable power transmission and comes ready to install with a precision keyway and two set screws for secure mounting. Its a durable choice for conveyors, industrial machinery, agricultural equipment, and general power transmission systems. Product Specifications Bore Size: 1