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Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701600
16B1 21T Sprocket Comes With 45mm Bore & Keyway with 2 Grubscrews (8SR21 45BK&2GS)
The 16B1 21T Sprocket with 45mm Bore & Keyway is a precision-engineered chain sprocket designed for reliable power transmission in demanding industrial applications. This simplex sprocket features a 21-tooth configuration, making it ideal for medium to high-speed drive systems requiring efficient torque and rotational speed characteristics.
Key Features:
- Tooth Count: 21 teeth for efficient power transmission and optimal load distribution
- Bore Size: 45mm pre-machined bore with integrated keyway
- Pitch: 1 inch – compatible with standard 1 inch pitch roller chains
- Mounting Security: Supplied with 2 grub screws for secure, reliable shaft attachment
- Manufacturing Standard: Precision-engineered to ISO/Industrial standards for consistent performance and durability
Applications:
This versatile sprocket is particularly well-suited for:
- Medium to high-speed conveyor systems
- Agricultural machinery and farm equipment
- Material handling systems and equipment
- Industrial drive systems requiring medium diameter shafts
- Power transmission assemblies with balanced speed and torque requirements
- General industrial applications requiring reliable chain drive performance
- Heavy-duty machinery in manufacturing and assembly operations
This sprocket is engineered for durability and long service life in harsh industrial environments. The combination of the 45mm bore and 21-tooth configuration makes it particularly suitable for applications requiring higher speed ratios within your chain drive system while maintaining robust power transmission capabilities.
Reference: 8SR21 45BK&2GS SPKT
For assistance in selecting the correct sprocket for your specific application or chain drive system requirements, our technical sales team is available to provide expert guidance.

