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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 1" |
| Bore Type | Finished Bore |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Construction Type | Welded |
| Finished Bore Size | 1" |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Diameter | 4 1/4" |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 1/2" |
| Length Thru Bore | 1 1/2" |
| Material | Steel |
| Max. Bore Size | 2 3/4" |
| Min. Bore Size | 1" |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 20 |
| Outside Dia. | 6.914" |
| Pitch | 1" |
| Pitch Dia. | 6.3925" |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 1 1/2" |
| Storage Dimension Length | 6.91" |
| Storage Dimension Width | 6.91" |
Shipping Info:
| Ship weight (kg) | 3.69 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 17.55 |
| Ship width (cm) | 17.55 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
80B8 | 8 | 2.6131" | 3.014" | 1 5/8" | 80 | 1" | Finished Bore | 1" | €66.60 | |
![]() |
80B9 | 9 | 2.9238" | 3.347" | 1 5/8" | 80 | 1" | Finished Bore | 1" | €66.60 | |
![]() |
80B10 | 10 | 3.2361" | 3.678" | 1 5/8" | 80 | 1" | Finished Bore | 1" | €72.64 | |
![]() |
80B11 | 11 | 3.5495" | 4.006" | 1 5/8" | 80 | 1" | Finished Bore | 1" | €80.01 | |
![]() |
80B12 | 12 | 3.8637" | 4.332" | 1 5/8" | 80 | 1" | Finished Bore | 1" | €86.05 | |
![]() |
80B13 | 13 | 4.1786" | 4.657" | 1 1/2" | 80 | 1" | Finished Bore | 1" | €92.64 | |
![]() |
80B14 | 14 | 4.494" | 4.981" | 1 1/2" | 80 | 1" | Finished Bore | 1" | €93.31 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 80B20 Sprocket, Stock Bore, 80 Chain, 20 Teeth, 6.393 Inch Pitch Dia., 6.914 Inch O.D., Steel
€148.50 /unit







