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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 3020 |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Outside Dia. | 5 9/16" |
| Individually Packaged | No |
| Length Through Bore | 2" |
| Length Thru Bore | 2" |
| Material | Steel |
| Max. Bore Size | 3" |
| Min. Bore Size | 15/16" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 2 |
| Number Of Teeth | 21 |
| Outside Dia. | 7.235" |
| Pitch | 1" |
| Pitch Dia. | 6.7095" |
| Pitch Diameter | 6.71" |
| Single Strand Tooth Thickness | 0.557" |
| Storage Dimension Height | 2" |
| Storage Dimension Length | 7.235" |
| Storage Dimension Width | 7.235" |
Shipping Info:
| Ship weight (kg) | 3.96 |
| Ship height (cm) | 5.08 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
D80ATB13H | 13 | 4.1786" | 4.657" | 1.704" | TB 1615 | 80 | 1" | Bushed | €271.78 | |
![]() |
D80ATB14H | 14 | 4.494" | 4.981" | 1 1/4" | 2012 Taper Lock | 80 | 1" | Bushed | €274.71 | |
![]() |
D80ATB15H | 15 | 4.8097" | 5.305" | 1 1/4" | 2012 Taper Lock | 80 | 1" | Bushed | €298.31 | |
![]() |
D80ATB16H | 16 | 5.1258" | 5.627" | 1.704" | 2517 Taper Lock | 80 | 1" | Bushed | €312.89 | |
![]() |
D80ATB17H | 17 | 5.4422" | 5.95" | 1.704" | 2517 Taper Lock | 80 | 1" | Bushed | €329.19 | |
![]() |
D80ATB18H | 18 | 5.7588" | 6.271" | 1.704" | 2517 Taper Lock | 80 | 1" | Bushed | €345.26 | |
![]() |
D80BTB19H | 19 | 6.0755" | 6.593" | 2" | 3020 Taper Lock | 80 | 1" | Bushed | €360.36 |
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Contact us
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MARTIN SPROCKET D80BTB21H Roller Chain Sprocket, 80 Chain, Bushed TB, 21 Teeth, 6.710 Inch Pitch Dia., Steel
€409.98 /unit





