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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701020
08B1 21T Sprocket Comes With 30mm Bore & Keyway with 2 Grubscrews (4SR21 30BK&2GS)
The 08B1 21T Sprocket with 30mm Bore & Keyway is a precision-engineered power transmission component designed for medium-duty industrial applications requiring reliable chain drive performance. This bored and keyed sprocket features a 21-tooth design with a 1/2 inch pitch, making it an excellent choice for balanced speed and torque delivery in versatile industrial drive systems with moderate bore diameter requirements.
Key Features:
- 21 Teeth: Optimal tooth count for medium-speed applications offering balanced performance and smooth, efficient power transmission
- 30mm Pre-Machined Bore: Ready-to-install bore eliminates the need for additional machining and accommodates standard shaft diameters for reliable performance
- Integral Keyway: Ensures positive drive engagement and prevents shaft slippage during operation
- Dual Grubscrews: Provides secure and reliable shaft mounting with redundant fastening for vibration resistance
- 1/2 Inch (08B1) Pitch: Compatible with standard 1/2 inch pitch roller chains
Applications:
This sprocket is ideal for use in:
- Conveyor systems requiring adjustable speed ratios
- Packaging machinery and industrial automation equipment
- Agricultural equipment and farm machinery
- General industrial power transmission systems
- Drive systems requiring efficient power transfer in medium-torque applications
Reference: 4SR21 30BK&2GS SPKT
As part of our extensive range of over 165 bored and keyed sprockets, this component delivers the precision and reliability needed for demanding industrial applications. Our technical team is available to assist with application-specific recommendations and to help you select the correct specification for your drive system.
