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Chain Sprockets
Bored & Keyed Sprockets
1inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701651
16B1 25T Sprocket Comes With 32mm Bore & Keyway with 2 Grubscrews (8SR25 32BK&2GS)
This 16B1 25-Tooth Simplex Sprocket is engineered for reliable power transmission in industrial chain drive systems. Featuring a 32mm pre-machined bore with an integrated keyway and 2 grub screws, this sprocket delivers secure, vibration-resistant shaft mounting for demanding applications.
Key Features:
- 25 Teeth – Optimised for high-capacity drive applications, providing maximum torque transmission and superior performance characteristics
- 1 Inch Pitch – Compatible with standard 1 inch pitch roller chains
- 32mm Bore – Pre-machined to accommodate medium to larger diameter shafts
- Keyway Design – Ensures positive drive engagement and prevents slippage during operation
- 2 Grub Screws – Provides dual-point locking for maximum holding force and stability
- Precision Manufactured – Built to exacting industrial standards for long service life and consistent performance
Key Specifications:
- Tooth Count: 25 teeth
- Bore Diameter: 32mm
- Pitch: 1 inch (25.4mm)
- Chain Compatibility: 1 inch pitch roller chains
- Mounting: Keyed bore with 2 grub screws for positive shaft engagement
- Reference: 8SR25 32BK&2GS SPKT
Ideal Applications:
This premium sprocket is well-suited for:
- Heavy-duty conveyor systems requiring high-capacity power transmission
- Agricultural machinery drive systems
- Material handling equipment with demanding load requirements
- Industrial power transmission applications
- Heavy-load chain drive assemblies in challenging environments
- Equipment requiring maximum torque and speed control
- General industrial drive systems with large shaft diameter requirements
The 32mm bore with keyway ensures precise alignment and secure mounting, while the dual grub screws provide additional holding power to prevent slippage during operation. Manufactured to exacting standards, this sprocket delivers reliable performance and durability in demanding industrial environments.
As part of our extensive range of over 150 bored and keyed sprocket variations, this sprocket combines reliability and precision for industrial applications. For technical assistance in selecting the correct sprocket configuration for your specific chain drive requirements, our experienced technical sales team is ready to help.

