Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B1 - 1/2inch Simplex Chain Sprockets
Quick Code: BB-20221
4SR22 Pilot Bore Sprocket 08B1
4SR22 Pilot Bore Sprocket 08B1 – Simplex Chain Sprocket
The 4SR22 is a precision-engineered simplex chain sprocket manufactured to British standard 08B1 specifications. This 22-tooth sprocket is designed for reliable power transmission in a wide range of industrial and mechanical applications.
- 08B1 British standard roller chain sprocket
- 1/2 inch pitch x 22 teeth
- Boss diameter: 70mm
- Outside diameter: 93.8mm
- Overall length: 28mm
- Pilot bore size: 12mm
- Brand: Medway
Applications:
Ideal for machinery requiring intermediate gear ratios, the 4SR22 sprocket is commonly used in conveyor systems, material handling equipment, agricultural machinery, and general industrial drive systems. The 22-tooth configuration provides an excellent balance between torque and speed, making it suitable for medium-duty applications.
Specifications:
This sprocket is manufactured to high quality standards and features a 12mm pilot bore for secure mounting on standard shafts. The compact design with a 28mm overall length makes it suitable for space-constrained installations while maintaining robust performance characteristics.



