Reboreable Type B Hub Roller Chain Sprocket For Single Strand 25 Chain, Quarter Inch Pitch, 48 Teeth, 0.5 Inch Bore, 3.964 Inch Outer Diameter, 2 Inch Hub, 0.11 Inch Width, Ideal Shaft Mount Drive Sprocket For Series 25

Reboreable Type B Hub Sprocket for Series 25 Chain, single
✔️ 48 teeth, 0.5 in bore, 3.964 in OD, 2 in hub, 0.11 in width

This reboreable Type B hub sprocket is built for Series 25 chain with a 1/4 inch pitch, designed for driver or driven roles in power transmission systems. It features a stabilizing hub extension and full-depth keyways with standard setscrews to fit a range of shaft sizes, making it a flexible choice for many machines and conveyors.

✅ Teeth: 48 teeth, pitch 1/4 in for Series 25 chain
✅ Outer diameter: 3.964 in
✅ Bore options: stock bores from 1/4 in to 1/2 in; max bore up to 1-3/8 in
✅ Hub and shaft fit: 2.0 in hub, hub extension with standard keyways and setscrews
✅ Material and standards: high carbon steel, ANSI-compliant Sprockets

💡 What is a Type B reboreable hub sprocket used for in a 1/4 inch pitch Series 25 chain drive? This handy setup helps secure the sprocket to a shaft and maintain proper alignment in straight-line power transmission systems.

- Secure shaft mounting with full-depth keyways and setscrews - Works with shafts ranging from 1/4 to 1/2 inch and matches ANSI sizing - Ideal for drive or driven roles in conveyors, presses, and light manufacturing