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12B39 Metric Roller Chain Sprocket

$114.59 Each


  • Free shipping on orders over $20
  • Typically ships in: 1 day
  • Weight: 11.4 lb

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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 Width across Teeth/ Rows 11.100 mm
Chain Number 12B-1 Hub Configuration B
Chain Pitch 19.050 mm Hub Outside Diameter 106.782 mm
Number of Chain Rows 1 Length thru Bore 40.005 mm
Number of Teeth 39 Construction Detail Welded
Outside Diameter 248.492 mm Bore Type Stock Bore
Pitch Diameter 236.744 mm Min Bore Size 25.000 mm
Single Strand Tooth Thickness 11.100 mm Max Bore Size 75.000 mm
Storage Dimension Length 9.783 in. Weight 12.13 lbs.
Storage Dimension Width 9.783 in. Individually Packaged No
Storage Dimension Height 1.575 in.


Pitch 19.050 mm
Number Of Teeth 39
Outside Dia 248.492 mm
Material Steel
Pitch Diameter 236.744 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