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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/4" to 2 3/8" |
| Bore Type | Finished Bore |
| Chain Number | 2042 |
| Chain Pitch | 1" |
| Chain Size | #2042 |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 3/4" |
| For Chain Number | 2042 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Dia. | 3 1/2" |
| Hub Outside Dia. | 3 1/2" |
| Individually Packaged | No |
| Length Through Bore | 1 1/8" |
| Length Thru Bore | 1 1/8" |
| Material | Steel |
| Max. Bore Size | 2 3/8" |
| Min. Bore Size | 3/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 25 |
| Outside Dia. | 8 13/25" , 8.52" |
| Pitch | 1" |
| Pitch Dia. | 7.9787" , 7.979" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/8" |
| Storage Dimension Length | 8 13/25" |
| Storage Dimension Width | 8 13/25" |
| Type | Type B Single Strand Double Pitch Reboreable |
Shipping Info:
| Ship weight (kg) | 2.68 |
| Ship height (cm) | 2.86 |
| Ship length (cm) | 21.64 |
| Ship width (cm) | 21.64 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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2042B8 | 2.6131" | 8 | 7/8" | 1 7/8" | 5/8" to 1 9/32" | 3 1/4" | 3 1/4" | 7/8" | €60.21 | |
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2042B9 | 2.9238" | 9 | 7/8" | 2.2188" | 5/8" to 1 15/32" | 3 3/8" | 3 3/8" | 7/8" | €76.20 | |
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2042B10 | 3.236" | 10 | 1" | 2.5469" | 5/8" to 1 3/4" | 3 13/16" | 3 13/16" | 1" | €92.52 | |
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2042B11 | 3.5495" | 11 | 1" | 2 5/8" | 5/8" to 1 7/8" | 4 5/16" | 4 5/16" | 1" | €108.87 | |
![]() |
2042B12 | 3.864" | 12 | 1" | 3 1/16" | 5/8" to 2 1/4" | 4 5/8" | 4 5/8" | 1" | €117.24 | |
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2042B14 | 4.494" | 14 | 1" | 3 1/4" | 5/8" to 2 1/4" | 5 1/4" | 5 1/4" | 1" | €130.33 | |
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2042B15 | 4.81" | 15 | 1" | 3 1/4" | 5/8" to 2 1/4" | 5 1/4" | 5 1/4" | 1" | €137.68 |
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MARTIN SPROCKET 2042B25 Sprocket, 2042 Chain, 25 Teeth, 7.979 Inch Pitch Dia., 8.520 Inch O.D., Steel
€182.33 /unit



