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DS40H21H Double Single Roller Chain Sprocket bushed for MST (H)

$114.10 Each


  • Typically ships in: 1 day
  • Weight: 2.0 lb
  • Free shipping on orders over $20
  • Contiguous U.S. States

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Additional Description

Double single sprockets are precision machined steel spockets and run with two single chains. They are stocked in minimum plain bore, taper bushed and Martin Split Taper style. The minimum plain bores can be quickly modified for your specific application.
Material Steel Single Strand Tooth Thickness 0.284 in.
Chain Number 40 Hardened Teeth Yes
Chain Pitch 0.500 in. Hub Configuration B
Number of Chain Rows Double Single Hub Recessed For Chain Clearance No
Number of Teeth 21 Construction Detail Solid
Outside Diameter 3.620 in. Bore Type Bushed MST
Pitch Diameter 3.355 in. Bushing Part Number H1
Storage Dimension Length 3.750 in. Weight 1.98 lbs.
Storage Dimension Width 3.750 in. Individually Packaged Yes
Storage Dimension Height 1.500 in.


Number Of Teeth 21
Outside Dia 3.620"
Material Steel
Pitch 0.500 in.

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

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