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20A39 Metric A-Plate Roller Chain Sprocket

$273.50 Each


  • Typically ships in: 1 day
  • Weight: 34.0 lb
  • Free shipping on orders over $20

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Additional Description

Metric A Plates are flat sprockets with no hub extension on either side. They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
Material Steel Single Strand Tooth Thickness 18.593 mm
Chain Number 20B-1 Width across Teeth/ Rows 18.593 mm
Chain Pitch 31.750 mm Hub Configuration A
Number of Chain Rows 1 Length thru Bore 18.593 mm
Number of Teeth 39 Construction Detail Solid
Outside Diameter 415.211 mm Bore Type Stock Bore
Pitch Diameter 394.574 mm Min Bore Size 32.000 mm
Storage Dimension Length 16.347 in. Weight 33.95 lbs.
Storage Dimension Width 16.347 in. Individually Packaged No
Storage Dimension Height 0.732 in.


Pitch 31.750 mm
Number Of Teeth 39
Outside Dia 415.211 mm
Material Steel
Pitch Diameter 394.574 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