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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 20 mm |
| Bore Type | Fixed |
| Finish | Black Oxide |
| For Chain Number | 10B |
| For Chain Pitch | 5/8" |
| For No. Of Strands | 1 |
| Hub Dia. | 76 mm |
| Hub Projection | 0.623" |
| Hub Type | One Side |
| Included | Set Screws |
| Keyway | Yes |
| Keyway Width | 6 mm |
| Length Through Bore | 25 mm |
| Material | Steel |
| Max. Bore Dia. | 20 mm |
| No. Of Set Screws | 2 |
| No. Of Teeth | 21 |
| Outside Dia. | 4.59" |
| Pitch Dia. | 106.51 mm |
| Roller Chain Sprockets | Roller Chain Sprocket |
| Set Screw Location | One Setscrew Over The Keyway And A Second Setscrew at 90 Degrees |
| Set Screw Size | 6 mm |
| Teeth Heat Treatment | Hardened Teeth |
| Tooth Width | 0.361" |
| Width Across Tooth Sets | Not Applicable |
Shipping Info:
| Ship weight (kg) | 1.17 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 11.66 |
| Ship width (cm) | 11.66 |
| Country of Origin | CN |
Product Variants
| Product | Model | Bore Dia. | Outside Dia. | Pitch Dia. | For Chain Number | For Chain Pitch | Keyway Width | Hub Dia. | Keyway | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D80BS12H X 1 1/2 | 1 1/2" | 4.33" | 3.864" | 80-2 | 1" | 3/8" | 2 11/16" | Yes | €151.97 | |
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D60BS13H X 1 1/2 | 1 1/2" | 3.49" | 3.134" | 60-2 | 3/4" | 3/8" | 2 1/4" | Yes | €89.48 | |
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D80BS13H X 1 1/2 | 1 1/2" | 4.66" | 4.179" | 80-2 | 1" | 3/8" | 3.062" | Yes | €155.24 | |
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D60BS14H X 1 1/2 | 1 1/2" | 3.74" | 3.371" | - | 3/4" | 3/8" | 2 1/2" | Yes | €97.14 | |
![]() |
60BS16H X 1 1/2 | 1 1/2" | 4.22" | 3.845" | 60.0 | 3/4" | 3/8" | 3.062" | Yes | €55.90 | |
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50BS17H X 1 1/2 | 1 1/2" | 3 18/25" | 3.401" | 50.0 | 5/8" | 3/8" | 2 11/16" | Yes | €35.36 | |
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80BS17H X 1 1/2 | 1 1/2" | 5.95" | 5.442" | 80.0 | 1" | 3/8" | 4" | Yes | €130.13 |
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Contact us
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TRITAN 10BS21H X 20 Roller Chain Sprocket, 20 mm Bore Dia, 21 Teeth, Steel
€79.42 /unit




