12 Tooth Chain Roller Sprocket B Type With Three Quarters Inch Bore Keyway And Set Screws Carbon Steel Black Oxide Finish For Single Strand Chain Drives 40mm Outer Diameter 20mm Thick
✔️ 12-tooth sprocket, 3/4 in bore, 40mm OD, 20mm thick, 1 pc
Single-chain roller sprocket designed for fixed-position mounting on a shaft in single-strand chain drives. It features a 3/4 inch bore with a keyway and two set screws at 90 degrees for secure alignment. Commonly used on milling machines, drilling machines, and other machinery transmissions to drive a roller chain smoothly and reliably.
✅ Bore size: 3/4 in (19.05 mm)
✅ Outer diameter: 40 mm (1.57 in)
✅ Step outer diameter: 30 mm (1.18 in)
✅ Teeth: 12
✅ Thickness: 20 mm (0.79 in)
✅ Material: carbon steel with heat-treated teeth and black oxide finish
✅ Finish: rust-resistant black oxide
✅ Mounting: fixed on shaft with set screws at 90 degrees
| Dimensión | Valor |
|---|---|
| Diámetro interior | 194 in 05 mm |
| Outer diameter | 40 mm (1.57 in) |
| Step outer diameter | 30 mm (1,18 in) |
| Espesor | 20 mm (0,79 in) |
| Dientes | 12 |
💡 What is a long-tail question about chain sprockets used for in machine drives? Here's a handy, concise answer: - Transfers rotation from drive shaft to a roller chain in single-strand drives - Fixed on shaft with a keyway and 2 set screws at 90° - Carbon steel teeth are heat-treated for wear resistance and are black oxide coated