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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701069
08B1 25T Sprocket Comes With 22mm Bore & Keyway with 2 Grubscrews (4SR25 22BK&2GS)
The 08B1 25T Sprocket with 22mm Bore & Keyway and 2 Grubscrews is a precision-engineered 1/2" pitch chain sprocket designed for reliable power transmission in versatile industrial applications. This bored and keyed sprocket features a 25-tooth design optimised for medium-speed drive configurations, offering excellent balance between speed and torque delivery while maintaining smooth, efficient power transfer.
Product Specifications:
- Tooth Count: 25 teeth
- Pitch: 1/2 inch (08B1)
- Bore Diameter: 22mm
- Keyway: Pre-machined for secure shaft alignment
- Grubscrews: 2 included for reliable shaft mounting
- Reference: 4SR25 22BK&2GS SPKT
Key Features:
- 25 Teeth: Ideal for applications requiring smooth operation with excellent speed-torque balance and efficient power transmission
- 22mm Pre-Machined Bore: Ready to install with minimal additional machining, accommodating standard mid-range shaft diameters
- Integral Keyway: Ensures secure and positive shaft engagement, preventing rotation slippage during operation
- Dual Grubscrews: Provides enhanced holding power and vibration resistance for reliable shaft retention
- 1/2 Inch Pitch: Standard industrial chain compatibility with 08B1 chain systems
- Precision-engineered for dependable performance in demanding environments
Ideal Applications:
This sprocket is well-suited for use in:
- Conveyor systems with medium-duty drive requirements
- Packaging machinery and automation equipment
- Agricultural equipment and industrial machinery
- Material handling systems requiring balanced performance
- General industrial power transmission drives where reliable operation is essential
- Replacement components for existing 1/2" pitch chain drive systems
- Custom drive systems requiring a 22mm bore diameter
As part of our extensive range of over 165 1/2 inch pitch bored and keyed sprockets, this component is ready for immediate installation and is perfect for replacement or new system design requirements. Our technical team is available to assist you in selecting the correct sprocket specification for your application or to provide replacement components for existing systems.

