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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 5/8" to 1 25/32" |
| Bore Type | Finished Bore |
| Chain Number | 2040 |
| Chain Pitch | 1" |
| Chain Size | #2040 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 5/8" |
| For Chain Number | 2040 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Dia. | 2.7031" |
| Hub Outside Dia. | 2.7031" |
| Individually Packaged | Yes |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 1.7813" |
| Min. Bore Size | 5/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 3.62" |
| Pitch | 1" |
| Pitch Dia. | 3.3926" , 3.393" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/16" |
| Storage Dimension Length | 4 5/16" |
| Storage Dimension Width | 4 5/16" |
| Type | Type B Single Strand Double Pitch Reboreable |
Shipping Info:
| Ship weight (kg) | 0.78 |
| Ship height (cm) | 2.7 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| 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 | Storage Dimension Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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2040B11 | 1.85" | 11 | 7/8" | 1 3/8" | 1/2" to 13/16" | 2 9/16" | 2 9/16" | 15/16" | €51.81 | |
![]() |
2040B12 | 2" | 12 | 7/8" | 1 9/16" | 1/2" to 13/16" | 2 9/16" | 2 9/16" | 15/16" | €55.19 | |
![]() |
2040B15 | 2.459" | 15 | 7/8" | 1.7188" | 5/8" to 1 7/32" | 2 7/8" | 2 7/8" | 15/16" | €63.58 | |
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2040B16 | 2.613" | 16 | 7/8" | 1 7/8" | 5/8" to 1 9/32" | 2 7/8" | 2 7/8" | 15/16" | €66.25 | |
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2040B17 | 2.768" | 17 | 1" | 2.0469" | 5/8" to 1 5/16" | 3 1/4" | 3 1/4" | 1 1/16" | €69.63 | |
![]() |
2040B18 | 2.924" | 18 | 1" | 2.2188" | 5/8" to 1 15/32" | 3 1/4" | 3 1/4" | 1 1/16" | €76.92 | |
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2040B19 | 3 2/25" | 19 | 1" | 2 3/8" | 5/8" to 1 5/8" | 3 5/8" | 3 5/8" | 1 1/16" | €85.65 |
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MARTIN SPROCKET 2040B21 Sprocket, 2040 Chain, 21 Teeth, 3.393 Inch Pitch Dia., 3.620 Inch O.D., Steel
€97.76 /unit





