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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | R1 |
| Bushing Size | R1 |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hardened Teeth | 1 |
| Hub Configuration | A |
| Individually Packaged | No |
| Length Through Bore | 2 3/16" |
| Length Thru Bore | 2 3/16" |
| Material | Steel |
| Max. Bore Size | 3 3/4" |
| Min. Bore Size | 1 1/8" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 2 |
| Number Of Teeth | 21 |
| Outside Dia. | 7.24" |
| Pitch | 1" |
| Pitch Dia. | 6.71" |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 2.188" |
| Storage Dimension Length | 7.23" |
| Storage Dimension Width | 7.23" |
Shipping Info:
| Ship weight (kg) | 4.62 |
| Ship height (cm) | 5.56 |
| Ship length (cm) | 18.39 |
| Ship width (cm) | 18.39 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Length Through Bore | Bushing Type | For Chain Number | For Chain Pitch | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
DS80Q17H | 17 | 5.442" | 5.95" | 2 3/16" | Type Q1 Split Taper | 80 | 1" | Bushed | €573.69 | |
![]() |
DS80Q19H | 19 | 6.076" | 6.59" | 2.188" | Type Q1 Split Taper | 80 | 1" | Bushed | €683.76 | |
![]() |
DS80Q20H | 20 | 6.392" | 6.91" | 2 3/16" | Type Q1 Split Taper | 80 | 1" | Bushed | €613.63 | |
![]() |
DS80R23H | 23 | 7.344" | 7.88" | 2.188" | Type R1 Split Taper | 80 | 1" | Bushed | €537.47 |
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MARTIN SPROCKET DS80R21H Sprocket, 80 Chain, 21 Teeth, 6.710 Inch Pitch Dia., 7.240 Inch O.D., Steel
€602.64 /unit




