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Martin 40B31 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch), 31 teeth, 5.217" outside diameter. Steel construction with hub on one side for medium-duty applications. Minimum plain bore for custom boring to required shaft size.
MODEL 40B31
Contact supplier for technical support on: 323-728-8117
$63.59 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 1 day
Returnable: See conditions
Material
Steel
Number Of Teeth
31
Outside Dia
5.217"
Pitch
0.500 in.
| Material | Steel | Hub Configuration | B |
|---|---|---|---|
| Chain Number | 40 | Hub Outside Diameter | 3.250 in. |
| Chain Pitch | 0.500 in. | Length thru Bore | 1.000 in. |
| Number of Chain Rows | 1 | Hub Recessed For Chain | No |
| Number of Teeth | 31 | Construction Detail | Welded |
| Outside Diameter | 5.217 in. | Bore Type | Stock Bore |
| Pitch Diameter | 4.942 in. | Min Bore Size | 0.625 in. |
| Single Strand Tooth Thickness | 0.284 in. | Max Bore Size | 2.250 in. |
| Hardened Teeth | No |
| Storage Dimension Width | 5.220 in. | Individually Packaged | No |
|---|---|---|---|
| Storage Dimension Height | 1.000 in. |
SKU: 251099
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Great prices and quality products
Your products are not only affordable, but they are also priced very fairly and competitively & always ship out pretty quickly. You have gained a new regular customer and stolen us from one of our regular distributors without even trying. Thank you for being awesome! Not to mention the free shipping over $100 perk is super appreciated as we not only are saving money per item, but we are also able to buy in bulk without the additional burden of freight/shipping costs. THANK YOU!! :)
Read moreSKU: 255872
Met all expectations
Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
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| Brand | Martin Sprocket |
| Model | 140C54 |
SKU: 251099
Spur gear
Our Yellow Karcher "Duckee" steers once more. The spur gear works as advertised!!!
Read moreSKU: 265185
Great prices and quality products
Your products are not only affordable, but they are also priced very fairly and competitively & always ship out pretty quickly. You have gained a new regular customer and stolen us from one of our regular distributors without even trying. Thank you for being awesome! Not to mention the free shipping over $100 perk is super appreciated as we not only are saving money per item, but we are also able to buy in bulk without the additional burden of freight/shipping costs. THANK YOU!! :)
Read moreSKU: 255872
Met all expectations
Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
Read moreItem 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 https://www.mrosupply.com/page/returnwarranty-policy/