FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 7/8" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 7/8" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 5/8" |
| Length Thru Bore | 1 5/8" |
| Material | Steel |
| Max. Bore Size | 2 1/4" |
| Min. Bore Size | 7/8" |
| No. Of Teeth | 30 |
| Number Of Chain Rows | 2 |
| Number Of Teeth | 30 |
| Outside Dia. | 5.057" |
| Pitch | 1/2" |
| Pitch Dia. | 4.7834" |
| Pitch Diameter | 4.783" |
| Single Strand Tooth Thickness | 0.275" |
| Storage Dimension Height | 1 5/8" |
| Storage Dimension Length | 5.057" |
| Storage Dimension Width | 5.057" |
Shipping Info:
| Ship weight (kg) | 2.4 |
| Ship height (cm) | 4.14 |
| Ship length (cm) | 12.85 |
| Ship width (cm) | 12.85 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | For Chain Number | For Chain Pitch | Bore Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D40B11H | 11 | 1.7747" | 2.003" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €100.07 | |
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D40B12H | 12 | 1.9319" | 2.166" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €100.65 | |
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D40B13H | 13 | 2.0893" | 2.329" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €101.80 | |
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D40B14H | 14 | 2.247" | 2.491" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €103.87 | |
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D40B15H | 15 | 2.4049" | 2.652" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €103.87 | |
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D40B16H | 16 | 2.5629" | 2.814" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €104.45 | |
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D40B17H | 17 | 2.7211" | 2.975" | 1 1/2" | 40 | 1/2" | Finished Bore | 1/2" | €107.63 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET D40B30 Sprocket, Stock Bore, 40 Chain, 30 Teeth, 4.783 Inch Pitch Dia., 5.057 Inch O.D., Steel
€143.12 /unit







