The 40BTL19H is a qd/tl bushed 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: 40BTL19H - Product Type: QD/TL Bushed Roller Chain Sprocket - Material: Steel - Pitch: 12.7 mm - Pitch Diameter: 77.1652 mm - Chain Size (Number): 40 - Number of Strands: 1 - Number of Teeth: 19 - Bore Type: TB Bushed - Outer Diameter: 83.82 mm - Overall Width: 25.4 mm - Tooth Width: 7.21 mm - Roller Diameter: 7.92 mm - Finish/Coating: Black Oxide - Part Weight: 0.75 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.