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Chain Sprockets
Bored & Keyed Sprockets
5/8inch Pitch Bored & Keyed Sprockets
Quick Code: BB-701327
10B1 25T Sprocket Comes With 28mm Bore & Keyway with 2 Grubscrews (5SR25 28BK&2GS SPKT)
This 10B1 25T Sprocket is a precision-engineered power transmission component featuring a 28mm bore with keyway and 2 grubscrews for secure and reliable shaft mounting. Designed to work seamlessly with 10B1 roller chains, this sprocket delivers consistent performance across a wide range of industrial applications.
Key Features:
- 25 Teeth – Optimized for applications requiring lower speed ratios and enhanced torque transmission
- 5/8 inch Pitch – Compatible with standard 10B1 roller chains
- 28mm Bore – Accommodates medium shaft diameters for versatile industrial applications
- Pre-machined Keyway – Ensures precise alignment and prevents shaft slippage
- 2 Grubscrews Included – Provides additional security and prevents accidental rotation
- Ready to Install – Precision-bored and keyed for quick, straightforward installation with no additional machining required
Ideal Applications:
This sprocket is perfect for use in conveyor systems, agricultural machinery, packaging equipment, and general industrial power transmission systems where reliability, consistent performance, and controlled speed reduction are essential. The 25-tooth configuration makes it particularly suitable for applications requiring increased torque delivery and lower output speeds.
Part Reference: 5SR25 28BK&2GS SPKT
Stocked in our UK warehouse for fast delivery and competitive pricing. If you require technical assistance in selecting the correct sprocket for your specific application, our experienced team is here to help.

