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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/8" to 1 1/4" |
| Bore Type | Bushed |
| Bushing Part Number | JA |
| Bushing Size | JA |
| Bushing Type | QD JA |
| Chain Number | 41 |
| Chain Pitch | 1/2" |
| Chain Size | #41 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 41 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 2.234" |
| Hub Outside Dia. | 2 1/8" |
| Individually Packaged | Yes |
| Length Through Bore | 5/8" |
| Length Thru Bore | 14/25" |
| Material | Steel |
| Max. Bore Size | 1 1/4" |
| Min. Bore Size | 3/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 17 |
| Outside Dia. | 2.975" |
| Pitch | 1/2" |
| Pitch Dia. | 2.7211" |
| Single Strand Tooth Thickness | 0.227" |
| Storage Dimension Height | 13/16" |
| Storage Dimension Length | 3 1/16" |
| Storage Dimension Width | 3 1/16" |
| Type | Type B Single Strand Solid Bushed |
Shipping Info:
| Ship weight (kg) | 0.23 |
| Ship height (cm) | 2.06 |
| Ship length (cm) | 7.57 |
| Ship width (cm) | 7.57 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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41JA15 | 2.4049" | 15 | 5/8" | 2.05" | 3 1/16" | 3 1/16" | 13/16" | 14/25" | €56.80 | |
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41JA16 | 2.5629" | 16 | 5/8" | 2.072" | 3 1/16" | 3 1/16" | 13/16" | 14/25" | €58.34 | |
![]() |
41JA18 | 2.8794" | 18 | 5/8" | 2 3/8" | 3 3/16" | 3 3/16" | 3/4" | 14/25" | €74.10 | |
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41JA19 | 3.0378" | 19 | 5/8" | 2.468" | 3 1/2" | 3 1/2" | 3/4" | 14/25" | €83.04 | |
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41SH20 | 3.1962" | 20 | 13/16" | 2 3/4" | 3 1/2" | 3 1/2" | 15/16" | 0.812" | €84.89 | |
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41SH21 | 3.3548" | 21 | 13/16" | 2 3/4" | 3 7/8" | 3 7/8" | 15/16" | 0.812" | €87.37 | |
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41SH22 | 3.5133" | 22 | 13/16" | 2 3/4" | 3 7/8" | 3 7/8" | 15/16" | 0.812" | €91.31 |
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MARTIN SPROCKET 41JA17 Sprocket, 41 Chain, 17 Teeth, 2.721 Inch Pitch Dia., 2.975 Inch O.D., Steel
€63.29 /unit




