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Martin 40A21 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch). 21 teeth, 3.617" outside diameter, steel construction. Flat plate design with no hub for lightweight applications.
MODEL 40A21
Contact supplier for technical support on: 323-728-8117
$26.22 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Material
Steel
Number Of Teeth
21
Outside Dia
3.617"
Pitch
0.500 in.
| Material | Steel | Single Strand Tooth Thickness | 0.284 in. |
|---|---|---|---|
| Chain Number | 40 | Hardened Teeth | No |
| Chain Pitch | 0.500 in. | Hub Configuration | A |
| Number of Chain Rows | 1 | Length thru Bore | 0.284 in. |
| Number of Teeth | 21 | Construction Detail | Solid |
| Outside Diameter | 3.617 in. | Bore Type | Stock Bore |
| Pitch Diameter | 3.355 in. | Min Bore Size | 0.625 in. |
| Storage Dimension Length | 3.618 in. | Weight | 0.60 lbs. |
|---|---|---|---|
| Storage Dimension Width | 3.618 in. | Individually Packaged | No |
| Storage Dimension Height | 0.284 in. |
SKU: 250135
Has the parts
Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.
Read more
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SKU: 250135
Has the parts
Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.
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/