Transmissions
Chain Sprockets
Pilot Bore Sprockets
1/2inch Pitch (08B1, 08B2, 08B3) Pilot Bore Sprockets
08B1 - 1/2inch Simplex Chain Sprockets
Quick Code: BB-20229
4SR30 Pilot Bore Sprocket 08B1
The 4SR30 Pilot Bore Sprocket 08B1 is a precision-engineered simplex chain sprocket manufactured to British standard specifications. This 30-tooth sprocket is designed for 1/2 inch pitch chain applications and is ideal for power transmission systems requiring reliable, efficient operation with moderate speed reduction.
Specifications:
- 08B1 British standard roller chain sprocket
- 1/2 inch pitch x 30 teeth
- Boss diameter: 80mm
- Outside diameter: 126.1mm
- Overall length: 30mm
- Pilot bore size: 16mm
- Brand: Medway
- Reference: 4SR30
Applications:
This sprocket is suitable for a wide range of industrial and mechanical applications including heavy-duty conveyor systems, agricultural machinery, industrial motors, and general power transmission equipment. The 30-tooth configuration provides an optimal balance between speed and torque delivery, making it particularly suitable for mid-to-low speed drive applications requiring increased load capacity. The larger 16mm pilot bore accommodates heavier-duty shaft installations, providing enhanced strength and stability in demanding operational environments.
Quality & Standards:
Manufactured to high quality standards and meeting British standard specifications, this pilot bore sprocket ensures dependable performance and compatibility with 08B1 simplex chain systems. The robust construction with substantial boss diameter and increased overall length makes it ideal for applications requiring greater durability and load-bearing capability.



