40 ANSI Sprocket With 15 Teeth For Roller Chain, 1/2 Inch Pitch, 1-3/16 Inch Finished Bore, B-Hub Drive Gear, High Carbon Steel, Includes Keyway And Two Set Screws, One Setscrew Over Keyway And 90 Degree Set Screw

40 ANSI Sprocket, single unit, 15 teeth, 1/2in pitch
✔️ 1/2 in pitch, 15 teeth, 1-3/16 in bore, high carbon steel

This 40 ANSI sprocket is a roller chain drive gear designed for standard roller chain engagement. It fits 1/2 inch pitch chains and is ideal for industrial, agricultural, and workshop machinery that demand durable steel construction and precise timing.

✅ ANSI sprocket #40 with 15 teeth and 1/2 in pitch
✅ 1-3/16 in finished bore and B-Hub drive style
✅ High carbon steel, black oxide finish, heat treated
✅ Includes keyway and two set screws (one over keyway, 90°)

💡 What is an ANSI sprocket used for in standard roller chain drives?

This handy gear engages 1/2in pitch chain to reliably transfer rotary motion in equipment.
- Transmits torque through a 1/2in pitch roller chain to drive shafts
- Keeps chain alignment for consistent operation in machinery
- Built from high carbon steel with heat treatment for wear resistance
- Uses a keyway and two set screws for secure mounting