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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 0.625" to 2.787" |
| Bore Type | Finished Bore |
| Chain Number | 41 |
| Chain Pitch | 1/2" |
| Chain Size | #41 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 5/8" |
| For Chain Number | 41 |
| For Chain Pitch | 1/2" |
| Hub Configuration | A |
| Individually Packaged | No |
| Length Through Bore | 0.217" , 0.227" |
| Material | Steel |
| Min. Bore Size | 5/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 3.617" |
| Pitch | 1/2" |
| Pitch Dia. | 3.3548" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.227" |
| Storage Dimension Height | 0.227" |
| Storage Dimension Length | 3.62" |
| Storage Dimension Width | 3.62" |
| Type | Type A Single Strand Solid Reboreable |
Shipping Info:
| Ship weight (kg) | 0.22 |
| Ship height (cm) | 0.58 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Storage Dimension Length | Storage Dimension Width | Finished Bore Size | Min. Bore Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
41A15 | 2.4049" | 15 | 0.217" | 0.625" to 1.822" | 2.65" | 2.65" | 5/8" | 5/8" | €34.89 | |
![]() |
41A16 | 2.563" | 16 | 0.217" | 5/8" | 2.81" | 2.81" | 5/8" | 5/8" | €35.37 | |
![]() |
41A17 | 2.7211" | 17 | 0.217" | 0.625" to 2.145" | 2.98" | 2.98" | 5/8" | 5/8" | €35.91 | |
![]() |
41A18 | 2.8794" | 18 | 0.217" | 0.625" to 2.306" | 3.14" | 3.14" | 5/8" | 5/8" | €35.91 | |
![]() |
41A19 | 3.038" | 19 | 0.217" | 5/8" | 3.3" | 3.3" | 5/8" | 5/8" | €37.25 | |
![]() |
41A20 | 3.1962" | 20 | 0.217" | 0.625" to 2.627" | 3.46" | 3.46" | 5/8" | 5/8" | €37.84 | |
![]() |
41A22 | 3.513" | 22 | 0.217" | 5/8" | 3.78" | 3.78" | 5/8" | 5/8" | €39.75 |
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MARTIN SPROCKET 41A21 Sprocket, 41 Chain, 21 Teeth, 3.355 Inch Pitch Dia., 3.617 Inch O.D., Steel
€38.91 /unit



