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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1/2" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | C |
| Hub Outside Dia. | 1.6094" |
| Hub Recessed For Chain | 1 |
| Individually Packaged | No |
| Length Through Bore | 1 1/2" |
| Length Thru Bore | 1 1/2" |
| Material | Steel |
| Max. Bore Size | 1" |
| Min. Bore Size | 1/2" |
| No. Of Teeth | 12 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 12 |
| Outside Dia. | 2.166" |
| Pitch | 1/2" |
| Pitch Dia. | 1.9319" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/2" |
| Storage Dimension Length | 2.17" |
| Storage Dimension Width | 2.17" |
Shipping Info:
| Ship weight (kg) | 0.34 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 5.51 |
| Ship width (cm) | 5.51 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | For Chain Number | For Chain Pitch | Bore Type | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40C15 | 15 | 2.4049" | 2.652" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €109.05 | |
![]() |
40C14 | 14 | 2.247" | 2.491" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €112.29 | |
![]() |
40C17 | 17 | 2.7211" | 2.975" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €121.30 | |
![]() |
40C18 | 18 | 2.8794" | 3.136" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €124.79 | |
![]() |
40C13 | 13 | 2.0893" | 2.329" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €110.51 | |
![]() |
40C16 | 16 | 2.5629" | 2.814" | 40 | 1/2" | Finished Bore | 1 1/2" | 1/2" | €114.94 |
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MARTIN SPROCKET 40C12 Sprocket, 40 Chain, 12 Teeth, 1.932 Inch Pitch Dia., 2.166 Inch O.D., Steel
€102.99 /unit





