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40B50 PITCH: #40 TEETH: 50 Bore: Minimum Plain Bore

$41.60 Each


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  • Typically ships in: 1 day
  • Weight: 6.0 lb

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Additional Description

B Style sprockets are flat sprockets with a hub extension welded 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 hardened teeth are quick alterations that can be made.
Material Steel Hub Configuration B
Chain Number 40 Hub Outside Diameter 3.500 in.
Chain Pitch 0.500 in. Length thru Bore 1.125 in.
Number of Chain Rows 1 Hub Recessed For Chain Clearance No
Number of Teeth 50 Construction Detail Welded
Outside Diameter 8.247 in. Bore Type Stock Bore
Pitch Diameter 7.963 in. Min Bore Size 0.750 in.
Single Strand Tooth Thickness 0.284 in. Max Bore Size 2.375 in.
Hardened Teeth No
Storage Dimension Length 8.250 in. Weight 5.98 lbs.
Storage Dimension Width 8.250 in. Individually Packaged No
Storage Dimension Height 1.125 in.


Number Of Teeth 50
Outside Dia 8.247"
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

State of California Proposition 65 Product Warning