Product Description
Martin Sprocket & Gear offers the 40BS243/4 sprocket, designed for use with #40 chain. This bored-to-size type BS single pitch roller chain sprocket comes with a three-quarter inch bore diameter and features twenty-four teeth. The outside diameter measures four point zero nine eight inches, and it can be easily installed onto your machinery.
- Includes two setscrews for secure fitting.
- Constructed from high carbon steel for durability.
- Precision machined for a consistent finish.
Product Highlights
The Martin 40BS243/4 sprocket is ideal for chain drives and is ready for immediate installation.
Product Information
Standard Information
- Manufacturer: Martin Sprocket & Gear
- Type: Bored-to-Size Type BS
Technical Specifications
- Bore Diameter: 3/4 in
- Chain Size: #40
- Hub Diameter: 3 in
- Includes: (2) Setscrews
- Keyway Size: 3/16 x 3/32 in
- Length Through Bore: 1 in
- Material: Steel
- Number of Teeth: 24
- Pitch: 1/2 in
- Pitch Diameter: 3.831 in
- Screw Size: 1/4-20 x 1/4 in
- Standards/Approvals: PROP65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.




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