Roller Chain Sprocket For 35 Chain Size, 0.375 Inch Pitch, Hardened Teeth, Type B Hub, Single Strand, Bored To Size, 21 Teeth, 0.75 Inch Bore, 2.0 Inch Hub, 2.713 Inch Outer Diameter, 0.168 Inch Width
✔️ 21 teeth, bore 0.75 in, hub 2.0 in, OD 2.713 in
The bored-to-size Type BS sprocket is designed for series 35 chain with 3/8 inch pitch. It features hardened teeth, a center keyway, and two setscrews for a secure shaft attachment, enabling direct mounting on shafts from 3/8 inch up to 1-1/4 inch with a range of bore options.
✅ 21 teeth
✅ bore 0.75 in
✅ hub 2.0 in
✅ outside diameter 2.713 in
✅ width 0.168 in
✅ for series 35 chain, 3/8 in pitch
✅ hardened teeth on high-carbon steel
✅ two setscrews with full-depth keyway for secure shaft mounting
✅ hub extension on one side for stability
💡 What is a bored-to-size chain sprocket used for in power transmission? This handy component helps transfer rotational motion from a shaft to a chain with precise fit.
- For direct shaft mounting with a full-depth keyway and two setscrews
- Works with series 35 chain (3/8 in pitch) for reliable timing
- Improves alignment and reduces slip in straight-line drive systems
- Built from high-carbon steel with hardened teeth for durability