Transmissions
Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701649
16B1 25T Sprocket Comes With 38mm Bore & Keyway with 2 Grubscrews (8SR25 38BK&2GS)
This 16B1 25T Sprocket is a precision-engineered chain sprocket featuring a 25-tooth design with a 1-inch pitch, making it ideal for applications requiring higher torque delivery and lower speed ratios. The sprocket comes pre-machined with a 38mm bore and integral keyway, along with 2 grub screws for secure and reliable shaft mounting on larger diameter shafts.
Key Features:
- Tooth Count: 25 teeth providing optimal torque multiplication and lower speed characteristics
- Bore Size: 38mm pre-machined bore with keyway for direct shaft installation on larger diameter shafts
- Pitch: 1-inch compatible with standard 1-inch pitch roller chains
- Mounting: 2 grub screws for positive shaft engagement and anti-rotation security
- Material & Quality: Manufactured to precise industrial standards for durability and reliability
Key Specifications:
- Tooth Count: 25 teeth
- Pitch: 1 inch (compatible with 1 inch pitch roller chains)
- Bore Diameter: 38mm
- Keyway: Yes
- Grub Screws: 2 fitted
- Reference: 8SR25 38BK&2GS SPKT
Applications:
This versatile 25-tooth sprocket is ideal for use in:
- Heavy-duty conveyor systems requiring high torque transmission
- Agricultural machinery and equipment
- Material handling and transfer systems
- Industrial drive systems with lower speed requirements
- General industrial chain drive applications requiring maximum torque characteristics
- Power transmission systems requiring large-bore shaft coupling
- Applications requiring consistent performance and reliability with higher load capacity
As part of our comprehensive range of 16B1 simplex sprockets with bore sizes from 25mm to 50mm and tooth counts from 11 to 25 teeth, this 25-tooth variant provides an excellent solution for applications requiring maximum torque and lower speed characteristics. The larger bore size makes it particularly suitable for robust shaft installations. For assistance in selecting the correct sprocket specification for your chain drive system, our technical sales team is available to provide expert guidance.
Need assistance? Our technical sales team is available to help you select the correct sprocket for your specific chain drive system requirements.

