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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 2517 |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hardened Teeth | 1 |
| 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 7/8" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 1 |
| Number Of Teeth | 21 |
| Outside Dia. | 7.235" |
| Pitch | 1" |
| Pitch Dia. | 6.7095" |
| Pitch Diameter | 6.71" |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 7.235" |
| Storage Dimension Width | 7.235" |
Shipping Info:
| Ship weight (kg) | 2.52 |
| Ship height (cm) | 4.45 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
80BTB10H | 10 | 3.2361" | 3.678" | 1 1/2" | 1215 Taper Lock | 80 | 1" | Bushed | €111.42 | |
![]() |
80BTB11H | 11 | 3.5495" | 4.006" | 1 1/2" | 1215 Taper Lock | 80 | 1" | Bushed | €116.84 | |
![]() |
80BTB12H | 12 | 3.8637" | 4.332" | 1 1/2" | 1615 Taper Lock | 80 | 1" | Bushed | €124.08 | |
![]() |
80BTB13H | 13 | 4.1786" | 4.657" | 1 1/2" | 1615 Taper Lock | 80 | 1" | Bushed | €122.88 | |
![]() |
80BTB14H | 14 | 4.494" | 4.981" | 1 1/2" | 1615 Taper Lock | 80 | 1" | Bushed | €131.39 | |
![]() |
80BTB15H | 15 | 4.8097" | 5.305" | 1 1/2" | 1615 Taper Lock | 80 | 1" | Bushed | €134.31 | |
![]() |
80BTB16H | 16 | 5.1258" | 5.627" | 1 1/4" | 2012 Taper Lock | 80 | 1" | Bushed | €147.21 |
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MARTIN SPROCKET 80BTB21H Sprocket, Taper, 80 Chain, 21 Teeth, 6.710 Inch Pitch Dia., 7.235 Inch O.D., Steel
€241.84 /unit




