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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1 1/4" |
| Bore Type | Fixed |
| Chain Number | 80 |
| Finish | Black Oxide |
| For Chain Number | 80.0 |
| For Chain Pitch | 1" |
| For No. Of Strands | 1 |
| Hub Dia. | 4 1/4" |
| Hub Projection | 1.175" |
| Hub Type | One Side |
| Included | Set Screws |
| Industry Chain Size | 80 |
| Keyway | Yes |
| Keyway Width | 1/4" |
| Length Through Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Dia. | 1 1/4" |
| No. Of Set Screws | 2 |
| No. Of Teeth | 21 |
| Outside Dia. | 7 6/25" |
| Pitch Dia. | 6.71" |
| Roller Chain Sprockets | Roller Chain Sprocket |
| Set Screw Location | Setscrews Are Placed Over The Keyway And at 90° To The Keyway |
| Set Screw Size | 0.312" |
| Teeth Heat Treatment | Not Hardened |
| Tooth Width | 0.575" |
| Width Across Tooth Sets | Not Applicable |
Shipping Info:
| Ship weight (kg) | 4.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 18.39 |
| Ship width (cm) | 18.39 |
| Country of Origin | CN |
Product Variants
| Product | Model | No. Of Teeth | Pitch Dia. | Length Through Bore | Bore Dia. | Max. Bore Dia. | Hub Dia. | For Chain Number | Keyway | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D80BS12H X 1 1/2 | 12 | 3.864" | 2 1/2" | 1 1/2" | 1 1/2" | 2 11/16" | 80-2 | Yes | €172.85 | |
![]() |
D60BS13H X 1 1/2 | 13 | 3.134" | 2 1/8" | 1 1/2" | 1 1/2" | 2 1/4" | 60-2 | Yes | €99.42 | |
![]() |
D80BS13H X 1 1/2 | 13 | 4.179" | 2 1/2" | 1 1/2" | 1 1/2" | 3.062" | 80-2 | Yes | €163.29 | |
![]() |
D60BS14H X 1 1/2 | 14 | 3.371" | 2 1/8" | 1 1/2" | 1 1/2" | 2 1/2" | - | Yes | €109.99 | |
![]() |
60BS16H X 1 1/2 | 16 | 3.845" | 1 1/4" | 1 1/2" | 1 1/2" | 3.062" | 60.0 | Yes | €62.10 | |
![]() |
50BS17H X 1 1/2 | 17 | 3.401" | 1" | 1 1/2" | 1 1/2" | 2 11/16" | 50.0 | Yes | €39.29 | |
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80BS17H X 1 1/2 | 17 | 5.442" | 1 1/2" | 1 1/2" | 1 1/2" | 4" | 80.0 | Yes | €146.03 |
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Contact us
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TRITAN 80BS21 X 1 1/4 Roller Chain Sprocket, 1 1/4 Inch Bore Dia, 21 Teeth, Steel
€186.16 /unit




