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140B21 PITCH: #140 TEETH: 21 Bore: Minimum Plain Bore

BRAND: Martin Sprocket | MODEL: 140B21 | CONDITION: NEW | SKU: 259400
140B21 PITCH: #140 TEETH: 21 Bore: Minimum Plain Bore

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Actual product may vary
Typically In Stock: confirm availability
Returnable: see conditions
Shipping from?: see locations Typically ships in 1 day
Weight: 38.70 lbs UOM: EA

Additional Description

Technical Specifications

Number Of Teeth 21
Outside Dia 12.660"
Material Steel
Pitch 1.750 in.


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 140 Hub Outside Diameter 6.250 in.
Chain Pitch 1.750 in. Length thru Bore 2.500 in.
Number of Chain Rows 1 Hub Recessed For Chain Clearance No
Number of Teeth 21 Construction Detail Welded
Outside Diameter 12.660 in. Bore Type Stock Bore
Pitch Diameter 11.742 in. Min Bore Size 1.500 in.
Single Strand Tooth Thickness 0.924 in. Max Bore Size 4.250 in.
Hardened Teeth No
Storage Dimension Length 12.660 in. Weight 39.26 lbs.
Storage Dimension Width 12.660 in. Individually Packaged No
Storage Dimension Height 2.500 in.