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20B17 Metric Roller Chain Sprocket

$166.10 Each


  • Typically ships in: 1 day
  • Weight: 11.0 lb
  • Free shipping on orders over $20
  • Contiguous U.S. States

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Additional Description

Metric B Style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and hardened teeth are quick alterations that can be made.
Material Steel Width across Teeth/ Rows 18.593 mm
Chain Number 20B-1 Hub Configuration B
Chain Pitch 31.750 mm Hub Outside Diameter 113.995 mm
Number of Chain Rows 1 Length thru Bore 43.993 mm
Number of Teeth 17 Construction Detail Welded
Outside Diameter 193.427 mm Bore Type Stock Bore
Pitch Diameter 172.790 mm Min Bore Size 25.000 mm
Single Strand Tooth Thickness 18.593 mm Max Bore Size 80.000 mm
Storage Dimension Length 7.615 in. Weight 10.80 lbs.
Storage Dimension Width 7.615 in. Individually Packaged No
Storage Dimension Height 1.732 in.


Number Of Teeth 17
Outside Dia 193.427 mm
Material Steel
Pitch Diameter 172.790 mm
Pitch 31.750 mm

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult


Product's availability

State of California Proposition 65 Product Warning