We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..
Contact us: Wechat/whatsapp/mobile: +86-13083988828
This Service & Quality controlWe supply detailed drawings and offer whenever necessary.Standard roller chain & sprocket is available with pitches from 1/2 to 3 inches. Chain & Sprocket numbers are determined by multiplying the pitch by 80 (a 1/2 inch pitch chain & sprocket would be a No. 40 chain & sprocket). A hyphenated suffix indicates multiple strands.821 Z23 sprocket is a solid construction high-quality sprocket that is manufactured for 821 series chain & sprockets and features 23-teeth. It is available as a machined natural PA6 thermoplastic material or has a molded cast iron configuration. We keep these sprockets on the shelf as a stock bore and finished bore configurations, but we can also bore the sprocket to custom bore sizes. For more information or to get pricing and availability on the sprocket or chain & sprocket please contact us and we will be happy to assist you.Dimensions:
- Sprocket Size: 821-Z23
- Tooth Count: 23
- Configuration: Solid
- Stock Materials: Machined Plastic, Cast Iron
- Pitch Diameter: 5.56″
- Overall Diameter: 5.59″
- Minimum Bore: 0.79″
- Maximum Bore: 2.76″
- Dimension (A): 2.80″
- Dimension (B): 3.01″
Tel: +86-57188220973 Mail us: [email protected]


