Roller Chain Sprocket Type B Hub For 80 Chain Single Strand 1 Inch Pitch 49 Teeth 1.25 Inch Bore 16.176 Inch Outer Diameter 4.75 Inch Hub Diameter Reboreable Built Tough

Type B 80-Chain Sprocket, Single Unit, 49 Teeth
✔️ 1.25 in bore, 16.176 in OD, 4.75 in hub, single unit

The Type B hub sprocket is designed for the series 80 chain with a 1.00 inch pitch and works as a driver or driven element in power transmission lines. It uses a stabilizing hub extension for secure shaft attachment and is reboreable to fit a range of shaft sizes, making it a flexible choice for conveyors, packaging equipment, and general machinery.

✅ 49 teeth
✅ 1.25 in bore, reboreable
✅ 16.176 in outside diameter
✅ 4.75 in hub diameter
✅ hub extension for stability and full-depth keyways
✅ ANSI-standard compatible; accepts standard setscrews

💡 What is a pillow block bearing used for in chain drive systems? A handy, general explanation for how it supports shafts and improves alignment in straight-line power transmission.
- Supports shaft alignment in conveyors and other linear drives
- Handles radial loads and reduces wear on moving parts
- Works with standard keyways and setscrews for secure mounting