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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 15/16" to 2 1/2" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 15/16" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Dia. | 3 3/4" |
| Hub Outside Dia. | 3 3/4" |
| Individually Packaged | No |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 1/2" |
| Min. Bore Size | 15/16" |
| No. Of Chain Rows | 2 |
| No. Of Teeth | 42 |
| Outside Dia. | 6.972" |
| Pitch | 1/2" |
| Pitch Dia. | 6.6907" , 6.691" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.275" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 6.972" |
| Storage Dimension Width | 6.972" |
| Type | Type B Double Strand Solid Reboreable |
Shipping Info:
| Ship weight (kg) | 4.59 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 17.7 |
| Ship width (cm) | 17.7 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
D40B11H | 1/2" to 3/4" | 1.775" | 2.003" | 1.438" | 1 1/2" | 40 | 1/2" | Finished Bore | €100.07 | |
![]() |
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 | |
![]() |
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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Contact us
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MARTIN SPROCKET D40B42 Sprocket, Stock Bore, 40 Chain, 42 Teeth, 6.691 Inch Pitch Dia., 6.972 Inch O.D., Steel
€205.67 /unit







