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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/4" to 2" |
| Bore Type | Finished Bore |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Chain Size | #50 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 3/4" |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| Hub Configuration | C |
| Hub Dia. | 3.313" |
| Hub Outside Dia. | 3 5/16" |
| Individually Packaged | No |
| Length Through Bore | 1 5/8" |
| Length Thru Bore | 1 5/8" |
| Material | Steel |
| Max. Bore Size | 2" |
| Min. Bore Size | 3/4" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 20 |
| Outside Dia. | 4.321" |
| Pitch | 5/8" |
| Pitch Dia. | 3.9953" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.343" |
| Storage Dimension Length | 4 8/25" |
| Storage Dimension Width | 4 8/25" |
| Type | Type C Single Strand Welded Reboreable |
Shipping Info:
| Ship weight (kg) | 1.81 |
| Ship height (cm) | 4.14 |
| Ship length (cm) | 10.97 |
| Ship width (cm) | 10.97 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Hub Outside Dia. | Finished Bore Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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50C18 | 3.5992" | 18 | 2.938" | 5/8" to 1 7/8" | 3 23/25" | 3 23/25" | 2 15/16" | 5/8" | €146.29 | |
![]() |
50C17 | 3.401" | 17 | 2.734" | 5/8" | 3 18/25" | 3 18/25" | 2.7344" | 5/8" | €138.30 | |
![]() |
50C16 | 3.2036" | 16 | 2 1/2" | 5/8" to 1 3/4" | 3 13/25" | 3 13/25" | 2 1/2" | 5/8" | €132.56 | |
![]() |
50C12 | 2.415" | 12 | 2" | 5/8" | 2.71" | 2.71" | 2" | 5/8" | €113.52 | |
![]() |
50C13 | 2.6116" | 13 | 1 7/8" | 5/8" to 1 5/16" | 2.91" | 2.91" | 1 7/8" | 5/8" | €116.59 | |
![]() |
50C14 | 2.8087" | 14 | 2 1/8" | 5/8" to 1 7/16" | 3.11" | 3.11" | 2 1/8" | 5/8" | €120.81 | |
![]() |
50C15 | 3.0061" | 15 | 2 3/8" | 5/8" to 1 1/2" | 3 8/25" | 3 8/25" | 2 3/8" | 5/8" | €123.92 |
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MARTIN SPROCKET 50C20 Roller Chain Sprocket, 50 Chain, 20 Teeth, 3.995 Inch Pitch Dia., Steel
€170.68 /unit




