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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1/2" to 2 5/8" |
| Bore Type | Bushed |
| Bushing Part Number | SK |
| Bushing Size | SK |
| Bushing Type | QD SK |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 4" |
| Hub Outside Dia. | 4" |
| Individually Packaged | No |
| Length Through Bore | 1 1/4" |
| Length Thru Bore | 1 1/4" |
| Material | Steel |
| Max. Bore Size | 2 5/8" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 2 |
| No. Of Teeth | 52 |
| Outside Dia. | 8.566" |
| Pitch | 1/2" |
| Pitch Dia. | 8.281" , 8.2811" |
| Single Strand Tooth Thickness | 0.275" |
| Storage Dimension Height | 1 1/4" |
| Storage Dimension Length | 8.566" |
| Storage Dimension Width | 8.566" |
| Type | Type C Double Strand Solid Bushed |
Shipping Info:
| Ship weight (kg) | 4.97 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 21.77 |
| Ship width (cm) | 21.77 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Hub Dia. | Chain Size | Storage Dimension Length | Storage Dimension Width | Hub Outside Dia. | Max. Bore Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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D40SK36 | 5.737" | 36 | 4" | 40-2 | 6.015" | 6.015" | 4" | 2 5/8" | €225.99 | |
![]() |
D40SK40 | 6.373" | 40 | 4" | 40-2 | 6.653" | 6.653" | 4" | 2 5/8" | €226.71 | |
![]() |
D40SK42 | 6.691" | 42 | 4" | #40 | 6.972" | 6.972" | 4" | 2 5/8" | €227.70 | |
![]() |
D40SK45 | 7.168" | 45 | 4" | #40 | 7.45" | 7.45" | 4" | 2 5/8" | €300.37 | |
![]() |
D40SK48 | 7.645" | 48 | 4" | #40 | 7.929" | 7.929" | 4" | 2 5/8" | €312.12 | |
![]() |
D40SK54 | 8.599" | 54 | 4" | #40 | 8.885" | 8.885" | 4" | 2 5/8" | €286.57 | |
![]() |
D40SK60 | 9.554" | 60 | 4" | #40 | 9.841" | 9.841" | 4" | 2 5/8" | €314.19 |
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MARTIN SPROCKET D40SK52 Sprocket, QD, 40 Chain, 52 Teeth, 8.281 Inch Pitch Dia., 8.566 Inch O.D., Steel
€322.84 /unit






