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Chain Sprockets
Bored & Keyed Sprockets
1/2inch Pitch Bored & Keyed Sprockets
Quick Code: BB-700996
08B1 19T Sprocket Comes With 28mm Bore & Keyway with 2 Grubscrews (4SR19 28BK&2GS)
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Product Specification
Bore
28mm
Number of Teeth
19
Pitch
1/2inch
Reference
4SR19 28BK&2GS SPKT
Quick Order Code
BB-700996
Product Description
The 08B1 19T Sprocket with 28mm Bore & Keyway is a precision-engineered power transmission component designed for 1/2" pitch chain drive systems. This bored and keyed sprocket comes pre-machined and ready to install, eliminating the need for additional customization.
Key Features:
- 19 Teeth – Optimised tooth count for medium to high-speed chain drive applications
- 28mm Bore – Pre-machined bore for secure shaft mounting on larger diameter shafts
- Keyway – Integrated keyway ensures positive drive engagement and prevents shaft slippage
- Dual Grubscrews – Two grubscrews provide additional holding power for reliable, vibration-resistant installation
- 1/2" Pitch – Compatible with standard 08B chain specifications
Applications:
This sprocket is ideal for use in:
- Conveyor systems
- Packaging machinery
- Agricultural equipment
- General industrial power transmission systems
- Custom chain drive designs
Reference: 4SR19 28BK&2GS SPKT
Whether you require a replacement sprocket or are developing a new chain drive system, this versatile component offers the precision engineering and secure mounting required for demanding industrial applications.

