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D50Q40H Double Roller Chain Sprocket bushed for MST (Q1)

$165.15 Each


  • Typically ships in: 1 day
  • Weight: 13.1 lb
  • Free shipping on orders over $20
  • Contiguous U.S. States

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Additional Description

Martin Split taper sprocket is another style of bushed sprocket. The split taper bushing, when installed, offers a wide range of bore sizes.
Material Steel Hub Outside Diameter 4.235 in.
Chain Number 50 Hub Recessed For Chain Clearance No
Chain Pitch 0.625 in. Construction Detail Solid
Number of Chain Rows 2 Bore Type Bushed MST
Number of Teeth 40 Key Way Size .500 WIDE in.
Outside Diameter 8.316 in. Bushing Part Number Q1
Pitch Diameter 7.966 in. Bushing Min Bore Size 0.750 in.
Single Strand Tooth Thickness 0.332 in. Bushing Max Bore Size 2.688 in.
Hardened Teeth Yes
Storage Dimension Length 8.316 in. Weight 13.09 lbs.
Storage Dimension Width 8.316 in. Individually Packaged No
Storage Dimension Height 1.750 in.


Number Of Teeth 40
Outside Dia 8.316"
Material Steel
Pitch 0.625 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

State of California Proposition 65 Product Warning