The 40BS16H X 1 is a finished bore roller chain sprocket for roller chain power transmission in industrial, conveyor and agricultural drives. Built for accurate chain engagement, even load distribution and long service life under continuous duty. Specifications: - Manufacturer Part Number: 40BS16H X 1 - Product Type: Finished Bore Roller Chain Sprocket - Material: Steel - Pitch: 12.7 mm - Pitch Diameter: 65.1002 mm - Chain Size (Number): 40 - Number of Strands: 1 - Number of Teeth: 16 - Bore Diameter: 25.4 mm - Bore Type: Finished Bore with Keyway and Set Screws - Outer Diameter: 71.374 mm - Overall Width: 22.225 mm - Tooth Width: 7.21 mm - Roller Diameter: 7.92 mm - Finish/Coating: Black Oxide - Part Weight: 0.69 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.