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20B21 Sprocket With Stock Bore

Note:

Custom bore sizes are available. Contact us if you need a specific bore size or machining requirement.
Images are for reference only. Actual product appearance may vary based on size, bore, keyway, hub style, or manufacturer.

SKU: 20B21-SPROCKET

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Buy it With:

Metric 20B Chain - 10ft Box $229.99
Premium 20B Roller Chain - 10ft Box $484.99

20B21 Sprocket With Stock Bore Description/Features

20B21 Sprocket With Stock Bore Specifications

This 20B21 sprocket is a durable, high quality, and precision sprocket with 21 teeth. Something that is notable about this 20B21 sprocket is that it fully meets all ISO Standards, which insures proper contact between the 20B-1 roller chain and sprocket thus preventing premature wear or breakage. 20B21 sprockets are supplied with a standard 25 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes. We also offer sprockets with finished bore configurations right off the shelf from stock, and if you are needing a custom bore sprocket we the capabilities on providing those to within a fast lead time and at really great prices. Fore more information or to get a formal quote please contact us and we will be happy to assist you.

Dimensions:

Sprocket Size: 20B21
Tooth Count: 21
Dimension (d0): 213.0 mm
Dimension (dk): 228 mm
Dimension (dn): 140 mm
Dimension (d1): 25 mm
Dimension (d2): 90 mm
Dimension (L): 55 mm
Sprocket Weight: 9.10 kg