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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701015
08B1 21T Sprocket Comes With 38mm Bore & Keyway with 2 Grubscrews (4SR21 38BK&2GS)
The 08B1 21T Sprocket with 38mm Bore & Keyway is a precision-engineered chain sprocket designed for reliable power transmission in heavy-duty industrial applications. This sprocket features a 21-tooth configuration with a 1/2" pitch and comes pre-machined with a 38mm bore, integral keyway, and dual grubscrews for secure and hassle-free shaft mounting.
Key Features:
- 21 Teeth - Optimised for enhanced torque delivery and controlled speed ratios in heavy-duty applications
- 1/2" Pitch - Compatible with standard 08B1 chain systems
- 38mm Pre-Machined Bore - Eliminates need for additional machining and reduces installation time for larger shaft diameters
- Integral Keyway - Ensures positive drive engagement and prevents shaft slippage
- 2 Grubscrews - Provides dual-point security for reliable shaft retention and rotational stability
Ideal Applications:
This versatile sprocket is suitable for use in:
- Heavy-duty conveyor systems and material handling equipment
- Packaging machinery and production lines
- Agricultural equipment and machinery
- Industrial power transmission systems requiring larger shaft accommodation
- Medium to high-torque drive applications
The pre-machined 38mm bore and keyway eliminate costly additional machining, reducing installation time and ensuring consistent, reliable performance. Whether you need a replacement component or are designing a new chain drive system, this sprocket delivers the precision and durability required for demanding industrial applications.
Reference: 4SR21 38BK&2GS SPKT
Our technical team is available to assist with specification selection for your specific application requirements.
