Transmissions
Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701596
16B1 21T Sprocket Comes With 25mm Bore & Keyway with 2 Grubscrews (8SR21 25BK&2GS)
This 16B1 21-tooth sprocket is a precision-engineered power transmission component featuring a 25mm pre-machined bore with integrated keyway and two grub screws for secure, reliable shaft mounting. Designed for use with standard 1-inch pitch roller chains, this simplex sprocket is manufactured to exacting industrial standards.
Key Specifications:
- Tooth Count: 21 teeth
- Pitch: 1 inch
- Bore Diameter: 25mm
- Bore Type: Pre-machined with keyway
- Grub Screws: 2 fitted grub screws included
- Reference: 8SR21 25BK&2GS SPKT
Applications:
This 21-tooth sprocket is ideal for medium to lower-speed drive applications requiring compact sizing and enhanced torque characteristics, including:
- Conveyor systems and material handling equipment
- Agricultural machinery and farm equipment
- Industrial drive systems and power transmission
- Manufacturing and processing equipment
- Medium-duty chain drive applications
The 21-tooth configuration provides excellent torque delivery with moderate speed ratios, making it suitable for applications requiring increased load capacity and consistent performance. As part of our extensive range of over 150 bore and tooth combinations, this sprocket provides the exact specification needed for your specific chain drive requirements. For technical guidance on sprocket selection or compatibility with your existing chain systems, our experienced technical sales team is available to assist.
