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Chain Sprockets
Bored & Keyed Sprockets
3/8inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701430
06B1 21T Sprocket Comes With 19mm Bore & Keyway with 2 Grubscrews (3SR21 19BK&2GS)
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Product Specification
Bore
19mm
Number of Teeth
21
Pitch
3/8inch
Reference
3SR21 19BK&2GS SPKT
Quick Order Code
BB-701430
Product Description
The 06B1 21T Sprocket with 19mm Bore & Keyway is a precision-engineered component designed for reliable power transmission in chain drive systems. This sprocket comes pre-machined and ready for installation, featuring a 19mm bored centre hole, integrated keyway, and two grubscrews for secure shaft mounting.
Key Specifications:
- Tooth Count: 21 teeth
- Pitch: 3/8 inch
- Bore Diameter: 19mm
- Mounting: Keyway with 2 grubscrews for quick and secure installation
Applications:
This 21-tooth sprocket is ideal for use in:
- Conveyor systems requiring balanced speed and torque characteristics
- Packaging machinery and automation equipment
- Agricultural equipment and drives
- Industrial transmission systems requiring mid-range gear ratios
- General chain drive applications requiring reliable power transfer
Benefits:
- Pre-bored and keyed for straightforward installation
- Two grubscrews ensure secure shaft positioning
- Part of an extensive 139-sprocket range offering versatile sizing options
- Reliable, ready-to-fit solution for immediate deployment
Reference: 3SR21 19BK&2GS SPKT
For technical support or assistance in selecting the correct sprocket for your specific chain drive requirements, please contact our technical sales team.

