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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 1615 |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | A |
| Individually Packaged | Yes |
| Length Through Bore | 1 13/32" |
| Length Thru Bore | 1.406" |
| Material | Steel |
| Max. Bore Size | 1 5/8" |
| Min. Bore Size | 1/2" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 2 |
| Number Of Teeth | 21 |
| Outside Dia. | 3.617" |
| Pitch | 1/2" |
| Pitch Dia. | 3.3548" |
| Pitch Diameter | 3.355" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/2" |
| Storage Dimension Length | 4" |
| Storage Dimension Width | 4" |
Shipping Info:
| Ship weight (kg) | 0.57 |
| Ship height (cm) | 3.58 |
| Ship length (cm) | 9.19 |
| Ship width (cm) | 9.19 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Teeth | Pitch Dia. | Outside Dia. | Bushing Type | For Chain Number | For Chain Pitch | Bore Type | Length Through Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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DS40ATB19H | 19 | 3.0378" | 3.296" | 1215 Taper Lock | 40 | 1/2" | Bushed | 1 13/32" | €200.13 | |
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DS40ATB23H | 23 | 3.672" | 3.938" | 1615 Taper Lock | 40 | 1/2" | Bushed | 1 13/32" | €228.26 | |
![]() |
DS40ATB24H | 24 | 3.8306" | 4.098" | 1615 Taper Lock | 40 | 1/2" | Bushed | 1 13/32" | €244.04 | |
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DS40ATB20H | 20 | 3.1962" | 3.457" | 1215 Taper Lock | 40 | 1/2" | Bushed | 1 13/32" | €222.09 | |
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DS40ATB18H | 18 | 2.8794" | 3.136" | 1215 Taper Lock | 40 | 1/2" | Bushed | 1 13/32" | €185.82 |
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MARTIN SPROCKET DS40ATB21H Sprocket, Taper, 40 Chain, 21 Teeth, 3.355 Inch Pitch Dia., 3.617 Inch O.D., Steel
€225.11 /unit





