Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
12B3 - 3/4inch Triplex Chain Sprockets
Quick Code: BB-20851
6TR15 Pilot Bore Chain Sprocket 12B3
12B3 British Standard Pilot Bore Roller Chain Sprocket
The 6TR15 is a high-quality pilot bore chain sprocket engineered for demanding power transmission applications. This British standard sprocket features a robust triplex (three-row) 12B3 chain configuration, delivering enhanced load capacity and exceptional reliability for industrial machinery and heavy-duty equipment.
Key Specifications:
- Pitch: 3/4 inch
- Number of Teeth: 15
- Boss Diameter: 71mm
- Outside Diameter: 99.8mm
- Overall Length: 70mm
- Pilot Bore Design: Ready for custom machining to fit your exact shaft dimensions
Applications:
Ideal for use in conveyor systems, industrial machinery, and equipment where smooth, efficient power transfer is essential. The 15-tooth configuration provides an optimal balance of speed and torque for mid-range transmission requirements.
Quality Assurance:
Manufactured by Medway to exacting British standards, this sprocket is built for durability and precision. Our UK-based warehouse stocks this sprocket ready for rapid dispatch, ensuring minimal downtime for your operations.
For assistance in selecting the correct sprocket for your chain drive system, please contact our technical team.

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