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08B28 Metric Roller Chain Sprocket

$58.92 Each


  • Typically ships in: 1 day
  • Weight: 2.9 lb
  • Free shipping on orders over $20

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Additional Description

Metric B Style sprockets are flat sprockets with a hub extension 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 harden teeth are quick alterations that can be made.
Material Steel Width across Teeth/ Rows 20.940 mm
Chain Number 08B-1 Hub Configuration B
Chain Pitch 12.700 mm Hub Outside Diameter 81.991 mm
Number of Chain Rows 1 Length thru Bore 29.997 mm
Number of Teeth 28 Construction Detail Solid
Outside Diameter 120.795 mm Bore Type Stock Bore
Pitch Diameter 113.429 mm Min Bore Size 16.000 mm
Single Strand Tooth Thickness 7.366 mm Max Bore Size 55.000 mm
Storage Dimension Length 4.756 in. Weight 3.10 lbs.
Storage Dimension Width 4.756 in. Individually Packaged No
Storage Dimension Height 1.181 in.


Pitch 12.700 mm
Number Of Teeth 28
Outside Dia 120.795 mm
Material Steel
Pitch Diameter 113.429 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