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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | Q1 |
| Bushing Size | Q1 |
| 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 | B |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Keyway Size | 1/2" |
| Keyway Width | 1/2" |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 11/16" |
| Min. Bore Size | 3/4" |
| No. Of Teeth | 30 |
| Number Of Chain Rows | 3 |
| Number Of Teeth | 30 |
| Outside Dia. | 5.057" |
| Pitch | 1/2" |
| Pitch Dia. | 4.7834" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.275" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 5.057" |
| Storage Dimension Width | 5.057" |
Shipping Info:
| Ship weight (kg) | 2.01 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 12.85 |
| Ship width (cm) | 12.85 |
| Country of Origin | US |
Documentation:
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
E40P18H | 18 | 2.8794" | 3.136" | 2 7/8" | MST P1 | 40 | 1/2" | Bushed | €214.16 | |
![]() |
E40P20H | 20 | 3.1962" | 3.457" | 2 1/8" | MST P1 | 40 | 1/2" | Bushed | €237.77 | |
![]() |
E40P24H | 24 | 3.8306" | 4.098" | 1.4025" | MST P1 | 40 | 1/2" | Bushed | €285.45 | |
![]() |
E40Q35H | 35 | 5.5779" | 5.855" | 1 3/4" | MST Q1 | 40 | 1/2" | Bushed | €416.00 | |
![]() |
E40Q36H | 36 | 5.7369" | 6.015" | 2 1/2" | Type Q1 Split Taper | 40 | 1/2" | Bushed | €428.18 | |
![]() |
E40Q48H | 48 | 7.6449" | 7.929" | 1 3/4" | MST Q1 | 40 | 1/2" | Bushed | €419.39 | |
![]() |
E40Q52H | 52 | 8.2811" | 8.566" | 1 3/4" | MST Q1 | 40 | 1/2" | Bushed | €445.14 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET E40Q30H Sprocket, MST, 40 Chain, 30 Teeth, 4.783 Inch Pitch Dia., 5.057 Inch O.D., Steel
€356.88 /unit







