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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Finished Bore |
| Chain Number | 2080 |
| Chain Pitch | 2" |
| Construction | Welded |
| Construction Type | Welded |
| Finished Bore Size | 1" |
| For Chain Number | 2080 |
| For Chain Pitch | 2" |
| Hub Configuration | B |
| Hub Diameter | 4 1/4" |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 3/4" |
| Min. Bore Size | 1" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 21 |
| Outside Dia. | 7.23" |
| Pitch | 2" |
| Pitch Dia. | 6.7853" |
| Pitch Diameter | 6.785" |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 7.23" |
| Storage Dimension Width | 7.23" |
Shipping Info:
| Ship weight (kg) | 4.26 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 18.36 |
| Ship width (cm) | 18.36 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | For Chain Number | For Chain Pitch | Bore Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2080B13 | 13 | 4.3036" | 4.66" | 1 1/2" | 2080 | 2" | Finished Bore | 2" | €141.14 | |
![]() |
2080B15 | 15 | 4.917" | 5.3" | 1 1/2" | 2080 | 2" | Finished Bore | 2" | €159.57 | |
![]() |
2080B16 | 16 | 5.2263" | 5.63" | 1 1/2" | 2080 | 2" | Finished Bore | 2" | €181.19 | |
![]() |
2080B25 | 25 | 8.0421" | 8 13/25" | 1 3/4" | 2080 | 2" | Finished Bore | 2" | €294.17 | |
![]() |
2080B23 | 23 | 7.413" | 7.88" | 1 3/4" | 2080 | 2" | Finished Bore | 2" | €328.96 | |
![]() |
2080B12 | 12 | 4" | 4.33" | 1 5/8" | 2080 | 2" | Finished Bore | 2" | €131.52 | |
![]() |
2080B17 | 17 | 5.5365" | 5.95" | 1 1/2" | 2080 | 2" | Finished Bore | 2" | €205.23 |
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MARTIN SPROCKET 2080B21 Sprocket, 2080 Chain, 21 Teeth, 6.785 Inch Pitch Dia., 7.230 Inch O.D., Steel
€303.17 /unit


