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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | H |
| Bushing Size | H |
| 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 | 1.406" |
| Material | Steel |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 2 |
| Number Of Teeth | 21 |
| Outside Dia. | 3.62" |
| Pitch | 1/2" |
| Pitch Dia. | 3.355" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1 1/2" |
| Storage Dimension Length | 3 3/4" |
| Storage Dimension Width | 3 3/4" |
Shipping Info:
| Ship weight (kg) | 0.89 |
| Ship height (cm) | 3.81 |
| 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. | Length Through Bore | Bushing Type | For Chain Number | For Chain Pitch | Bore Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
DS40H19H | 19 | 3.038" | 3.3" | 1.406" | Type H1 Split Taper | 40 | 1/2" | Bushed | €261.36 | |
![]() |
DS40P23H | 23 | 3.672" | 3.94" | 1 13/32" | Type P1 Split Taper | 40 | 1/2" | Bushed | €280.79 | |
![]() |
DS40P24H | 24 | 3.831" | 4.1" | 1 5/16" | Type P1 Split Taper | 40 | 1/2" | Bushed | €299.36 |
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Contact us
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MARTIN SPROCKET DS40H21H Sprocket, 40 Chain, 21 Teeth, 3.355 Inch Pitch Dia., 3.620 Inch O.D., Steel
€296.43 /unit



