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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-700997
08B1 19T Sprocket Comes With 25mm Bore & Keyway with 2 Grubscrews (4SR19 25BK&2GS)
The 08B1 19T Sprocket with 25mm Bore & Keyway and 2 Grubscrews is a precision-engineered power transmission component designed for reliable chain drive performance in demanding industrial applications. This 1/2 inch pitch sprocket combines robust construction with ease of installation, making it an excellent choice for both replacement and new system designs.
Key Features:
- 19 Teeth – Optimised for medium speed ratios and balanced torque delivery in heavy-duty drive systems
- 25mm Pre-Machined Bore – Ready for immediate shaft mounting without additional machining, ideal for larger shaft diameters
- Integrated Keyway – Ensures secure, anti-slip shaft connection and positive power transmission
- Dual Grubscrews – Provides superior holding security and prevents shaft slippage during operation
- 1/2 Inch Pitch – Compatible with standard 08B1 chain specifications
Applications:
This sprocket is ideal for use in:
- Heavy-duty conveyor systems and material handling equipment
- Industrial packaging machinery and automation systems
- Agricultural equipment and farm machinery
- General industrial power transmission systems
- Medium to heavy-duty drive installations requiring efficient power transfer
- Applications requiring larger shaft diameters and increased load capacity
Whether you need a replacement sprocket for existing equipment or are engineering a new chain drive system, this component offers the precision and reliability required for demanding industrial applications. The pre-bored and keyed design with 25mm bore eliminates costly machining operations, reducing downtime and installation costs while accommodating larger shaft specifications.
Reference: 4SR19 25BK&2GS SPKT

