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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 2040 |
| Chain Pitch | 1" |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 5/8" |
| For Chain Number | 2040 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Diameter | 3 1/4" |
| Hub Outside Dia. | 3 1/4" |
| Individually Packaged | Yes |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 2 1/4" |
| Min. Bore Size | 5/8" |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 25 |
| Outside Dia. | 4.26" |
| Pitch | 1" |
| Pitch Dia. | 4.0211" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/16" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
Shipping Info:
| Ship weight (kg) | 1.12 |
| Ship height (cm) | 2.7 |
| Ship length (cm) | 10.82 |
| Ship width (cm) | 10.82 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | For Chain Pitch | For Chain Number | Bore Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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2040B11 | 11 | 1.85" | 2" | 7/8" | 1" | 2040 | Finished Bore | 1" | €51.81 | |
![]() |
2040B12 | 12 | 2" | 2.17" | 7/8" | 1" | 2040 | Finished Bore | 1" | €55.19 | |
![]() |
2040B15 | 15 | 2.4586" | 2.65" | 7/8" | 1" | 2040 | Finished Bore | 1" | €63.58 | |
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2040B16 | 16 | 2.6131" | 2.81" | 7/8" | 1" | 2040 | Finished Bore | 1" | €66.25 | |
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2040B17 | 17 | 2.7682" | 2.97" | 1" | 1" | 2040 | Finished Bore | 1" | €69.63 | |
![]() |
2040B18 | 18 | 2.9238" | 3.14" | 1" | 1" | 2040 | Finished Bore | 1" | €76.92 | |
![]() |
2040B19 | 19 | 3.0798" | - | 1" | 1" | 2040 | Finished Bore | 1" | €85.65 |
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MARTIN SPROCKET 2040B25 Sprocket, 2040 Chain, 25 Teeth, 4.021 Inch Pitch Dia., 4.260 Inch O.D., Steel
€123.03 /unit





