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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 5/8" to 2 1/4" |
| 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 | A |
| Hub Dia. | 3.4844" |
| Individually Packaged | Yes |
| Length Through Bore | 1 21/32" |
| Length Thru Bore | 1.656" |
| Material | Steel |
| Max. Bore Size | 2 1/4" |
| Min. Bore Size | 5/8" |
| No. Of Chain Rows | 2 |
| No. Of Teeth | 21 |
| Outside Dia. | 4.522" |
| Pitch | 5/8" |
| Pitch Dia. | 4.1934" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.343" |
| Storage Dimension Height | 1 13/16" |
| Storage Dimension Length | 4 3/4" |
| Storage Dimension Width | 4 3/4" |
| Type | Type A Double Single Strand Reboreable |
Shipping Info:
| Ship weight (kg) | 2.07 |
| Ship height (cm) | 4.22 |
| Ship length (cm) | 11.48 |
| Ship width (cm) | 11.48 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Chain Size | Storage Dimension Length | Storage Dimension Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
DS50A19 | 3.7972" | 19 | 1 21/32" | 3.0781" | 5/8" to 2 1/16" | #50 | 4 3/16" | 4 3/16" | €215.64 | |
![]() |
DS50A15 | 3.0061" | 15 | 1 21/32" | 2 3/8" | 5/8" to 1 1/2" | #50 | 3 3/8" | 3 3/8" | €156.27 | |
![]() |
DS50A23 | 4.59" | 23 | 1 21/32" | 3.89" | 5/8" to 2 5/8" | #50 | 4.922" | 4.922" | €250.22 | |
![]() |
DS50A16 | 3.204" | 16 | 1.656" | 2 1/2" | 0.625" to 1.688" | 50 | 3 3/4" | 3 3/4" | €172.03 | |
![]() |
DS50A20 | 3.9953" | 20 | 1 21/32" | 3.2813" | 5/8" to 2 1/4" | #50 | 4 1/2" | 4 1/2" | €228.26 | |
![]() |
DS50A22 | 4.3917" | 22 | 1 21/32" | 3 11/16" | 5/8" to 2 7/16" | #50 | 5" | 5" | €240.89 | |
![]() |
DS50A24 | 4.7883" | 24 | 1 21/32" | 4.0781" | 5/8" to 3 3/4" | #50 | 5.122" | 5.122" | €262.57 |
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Contact us
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MARTIN SPROCKET DS50A21 Roller Chain Sprocket, 50 Chain, Stock Bore, 21 Teeth, 4.193 Inch Pitch Dia., Steel
€231.29 /unit







