Roller Chain Sprocket With Hardened Teeth Bored-To-Size Type B Hub Single Strand 50 Chain Size 0.625 Inch Pitch 21 Teeth 1.188 Inch Bore 4.522 Inch OD 3 Inch Hub 0.343 Inch Width
✔️ 50 chain pitch 5/8 in, 21 teeth, bore 1.188 in, OD 4.522 in
Designed as a bored-to-size Type B sprocket with hardened teeth, this single-sprocket is built for series 50 chain drives. It attaches directly to shafts using a full-depth keyway and two setscrews for secure mounting, with a hub extension on one side to stabilize alignment.
Designed as a bored-to-size Type B sprocket with hardened teeth, this single-sprocket is built for series 50 chain drives. It attaches directly to shafts using a full-depth keyway and two setscrews for secure mounting, with a hub extension on one side to stabilize alignment.
✅ Series 50 chain, 5/8 in pitch, 21 teeth
✅ Type BS bored-to-size sprocket with hardened teeth
✅ Two setscrews and full-depth keyway for secure shaft mounting
✅ Hub extension provides stability and alignment on the shaft
✅ High carbon steel for strength and ANSI standard compliance
💡 What is a bored-to-size chain sprocket used for in a typical power transmission setup?
This handy piece is used to drive a chain in straight-line drives where secure mounting and precise alignment matter.
- Provides secure shaft mounting with a full-depth keyway and setscrews - Maintains chain alignment for reliable power transfer in straight-line drives - Compatible with Series 50 chain and 5/8 inch pitch for common industrial drives - Made from high carbon steel for durability in harsh service