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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 3/8" to 10 1/2" |
| Bore Type | Bushed |
| Bushing Part Number | H |
| Bushing Size | H |
| Bushing Type | Type H Split Taper |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | 40 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hardened Teeth | 1 |
| Hub Configuration | B |
| Hub Dia. | 2 1/2" |
| Hub Outside Dia. | 2 1/2" |
| Individually Packaged | Yes |
| Length Through Bore | 1 1/4" |
| Length Thru Bore | 7/8" |
| Material | Steel |
| Max. Bore Size | 1 1/2" |
| Min. Bore Size | 3/8" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 30 |
| Outside Dia. | 5.057" |
| Pitch | 1/2" |
| Pitch Dia. | 4.783" , 4.7834" |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 15/16" |
| Storage Dimension Length | 5 3/16" |
| Storage Dimension Width | 5 3/16" |
| Type | MST H Bushed Solid Type 3 |
Shipping Info:
| Ship weight (kg) | 0.76 |
| Ship height (cm) | 3.18 |
| Ship length (cm) | 12.85 |
| Ship width (cm) | 12.85 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Chain Size | Storage Dimension Length | Storage Dimension Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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40P31 | 4.942" | 31 | 1 15/16" | 3 1/4" | 1/2" to 1 3/4" | 40 | 5.217" | 5.217" | €155.31 | |
![]() |
40P32 | 5.1011" | 32 | 1 5/16" | 3" | 1/2" to 1 3/4" | #40 | 5 1/2" | 5 1/2" | €155.46 | |
![]() |
40P33 | 5.2601" | 33 | 1 5/16" | 3 1/4" | 1/2" to 1 3/4" | #40 | 5.536" | 5.536" | €157.04 | |
![]() |
40P34 | 5.419" | 34 | 1 15/16" | 3 1/4" | 1/2" to 1 3/4" | 40 | 5.696" | 5.696" | €158.62 | |
![]() |
40P35 | 5.5779" | 35 | 1 5/16" | 3" | 1/2" to 1 3/4" | #40 | 6" | 6" | €160.48 | |
![]() |
40P36 | 5.7369" | 36 | 1 5/16" | 3 1/4" | 1/2" to 1 3/4" | #40 | 6.015" | 6.015" | €169.06 | |
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40P37 | 5.8958" | 37 | 1 5/16" | 3 1/4" | 1/2" to 1 3/4" | #40 | 6.175" | 6.175" | €174.19 |
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MARTIN SPROCKET 40H30H Sprocket, MST, 40 Chain, 30 Teeth, 4.783 Inch Pitch Dia., 5.057 Inch O.D., Steel
€153.60 /unit




