Transmissions
Chain Sprockets
Pilot Bore Sprockets
5/8inch Pitch (10B1, 10B2, 10B3) Pilot Bore Sprockets
10B3 - 5/8inch Triplex Chain Sprocket
Quick Code: BB-20813
5TR12 Pilot Bore Chain Sprocket 10B3
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Product Specification
Boss Dia
44mm
Number of Teeth
12
Outside Dia
68mm
Overall Length
55mm
Pitch
5/8inch
Reference
5TR12
Brand
Medway
Quick Order Code
BB-20813
Product Description
10B3 British Standard Pilot Bore Roller Chain Sprocket
The 5TR12 is a precision-engineered pilot bore chain sprocket designed to meet British standard specifications. This 12-tooth sprocket is ideal for applications requiring compact, high-ratio drive configurations in power transmission systems.
Key Specifications:
- 5/8 inch pitch triplex chain compatibility
- 12 teeth for smooth engagement and controlled speed reduction
- Boss diameter: 44mm
- Outside diameter: 68mm
- Overall length: 55mm
- Pilot bore design for secure mounting on shafts
Typical Applications:
- Compact machinery and equipment requiring space-efficient drive systems
- High-speed pinion applications in chain drives
- Industrial automation and material handling equipment
- Power transmission systems where precision and reliability are essential
The 5TR12 offers dependable performance in demanding industrial environments, manufactured to exacting standards for durability and precision alignment.



