FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 5/8" |
| Bore Type | Finished Bore |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Chain Size | #50 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 5/8" |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| Hub Configuration | B |
| Hub Dia. | 1 3/8" |
| Hub Outside Dia. | 1 3/8" |
| Hub Recessed For Chain | 1 |
| Individually Packaged | Yes |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| Max. Bore Size | 3/4" |
| Min. Bore Size | 5/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 9 |
| Outside Dia. | 2.092" |
| Pitch | 5/8" |
| Pitch Dia. | 1.827" , 1.8274" |
| Single Strand Tooth Thickness | 0.343" |
| Storage Dimension Height | 1 3/16" |
| Storage Dimension Length | 2 1/8" |
| Storage Dimension Width | 2 1/8" |
| Type | Stock Bore Type B |
Shipping Info:
| Ship weight (kg) | 0.16 |
| Ship height (cm) | 3.02 |
| Ship length (cm) | 5.31 |
| Ship width (cm) | 5.31 |
| Country of Origin | US |
Product Variants
| Product | Model | Bore Dia. | Pitch Dia. | Outside Dia. | Hub Dia. | Length Through Bore | Set Screw Size | For Chain Number | For Chain Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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50B8 | 5/8" | 1.6332" | 1.884" | 1 1/8" | 1" | - | 50 | 5/8" | €33.41 | |
![]() |
50B10 | 5/8" | 2.023" | 2.299" | 1.562" | 1" | - | 50 | 5/8" | €37.25 | |
![]() |
50B11 | 5/8" | 2.218" | 2.504" | 1 3/4" | 1" | - | 50 | 5/8" | €39.75 | |
![]() |
50B12 | 5/8" | 2.415" | 2.708" | 1.984" | 1" | - | 50 | 5/8" | €41.36 | |
![]() |
50B13 | 5/8" | 2.612" | 2.911" | 1 7/8" | 1" | - | 50 | 5/8" | €43.29 | |
![]() |
50B14 | 5/8" | 2.809" | 3.113" | 2 1/8" | 1" | 1/4"-20 | 50 | 5/8" | €45.21 | |
![]() |
50B15 | 5/8" | 3.006" | 3.315" | 2 3/8" | 1" | - | 50 | 5/8" | €46.86 |
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Contact us
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MARTIN SPROCKET 50B9 Sprocket, 50 Chain, 9 Teeth, 1.827 Inch Pitch Dia., 2.092 Inch O.D., Steel
€33.99 /unit







