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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1/2" to 3/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid With Recess Groove |
| Construction Type | Solid With Recess Groove |
| Finished Bore Size | 1/2" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 1.438" |
| Hub Outside Dia. | 1 7/16" |
| Hub Recessed For Chain | 1 |
| Individually Packaged | Yes |
| Length Through Bore | 1 1/2" |
| Length Thru Bore | 1 1/2" |
| Material | Steel |
| Max. Bore Size | 3/4" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 2 |
| No. Of Teeth | 11 |
| Outside Dia. | 2.003" |
| Pitch | 1/2" |
| Pitch Dia. | 1.7747" , 1.775" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.275" |
| Storage Dimension Height | 1 11/16" |
| Storage Dimension Length | 2 1/8" |
| Storage Dimension Width | 2 1/8" |
| Type | Type B Double Strand Solid Reboreable |
Shipping Info:
| Ship weight (kg) | 0.28 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 5.08 |
| Ship width (cm) | 5.08 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Bore Dia. | Pitch Dia. | Outside Dia. | Hub Dia. | Length Through Bore | For Chain Number | For Chain Pitch | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D40B12H | 1/2" | 1.932" | 2.166" | 1.563" | 1 1/2" | 40 | 1/2" | Finished Bore | €100.65 | |
![]() |
D40B13H | 1/2" | 2.089" | 2.329" | 1 1/2" | 1 1/2" | 40 | 1/2" | Finished Bore | €101.80 | |
![]() |
D40B14H | 1/2" | 2.247" | 2.491" | 1.688" | 1 1/2" | 40 | 1/2" | Finished Bore | €103.87 | |
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D40B15H | 1/2" | 2.405" | 2.652" | 1.813" | 1 1/2" | 40 | 1/2" | Finished Bore | €103.87 | |
![]() |
D40B16H | 5/8" | 2.563" | 2.814" | 1.969" | 1 1/2" | 40 | 1/2" | Finished Bore | €104.45 | |
![]() |
D40B17H | 5/8" | 2.721" | 2.975" | 2 1/8" | 1 1/2" | 40 | 1/2" | Finished Bore | €107.63 | |
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D40B18H | 5/8" | 2.879" | 3.136" | 2.291" | 1 1/2" | 40 | 1/2" | Finished Bore | €113.77 |
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Contact us
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MARTIN SPROCKET D40B11H Sprocket, 40 Chain, 11 Teeth, 1.775 Inch Pitch Dia., 2.003 Inch O.D., Steel
€100.07 /unit







