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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 0.75" to 2.688" |
| Bore Type | Bushed |
| Bushing Part Number | Q1 |
| Bushing Size | Q1 |
| Bushing Type | MST Q1 |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Chain Size | #50 |
| Construction | Solid |
| Construction Type | Solid |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| Hardened Teeth | 1 |
| Hub Configuration | A |
| Individually Packaged | No |
| Key Way Size | 1/2" |
| Keyway Width | 1/2" |
| Length Through Bore | 1.753" |
| Material | Steel |
| Max. Bore Size | 2 11/16" |
| Min. Bore Size | 3/4" |
| No. Of Chain Rows | 3 |
| No. Of Teeth | 25 |
| Outside Dia. | 5.322" |
| Pitch | 5/8" |
| Pitch Dia. | 4.9867" |
| Single Strand Tooth Thickness | 0.332" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 5.322" |
| Storage Dimension Width | 5.322" |
| Type | Type 23 Triple Strand Solid Bushed |
Shipping Info:
| Ship weight (kg) | 2.27 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 13.51 |
| Ship width (cm) | 13.51 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Chain Size | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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E50P15H | 3.0061" | 15 | 3 1/4" | 3/4" to 1 3/4" | #50 | 3.315" | 3.315" | 3 1/4" | €238.49 | |
![]() |
E50P16H | 3.2036" | 16 | 2 1/2" | 3/4" to 1 3/4" | #50 | 3.517" | 3.517" | 2 1/2" | €254.40 | |
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E50P18H | 3.5992" | 18 | 2 1/2" | 3/4" to 1 3/4" | #50 | 3 23/25" | 3 23/25" | 2 1/2" | €286.16 | |
![]() |
E50P20H | 3.9953" | 20 | 1.753" | 1/2" to 1 3/4" | #50 | 4.321" | 4.321" | 1 19/25" | €317.79 | |
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E50P23H | 4.59" | 23 | 1.753" | 1/2" to 1 3/4" | #50 | 4.922" | 4.922" | 1 19/25" | €365.48 | |
![]() |
E50Q24H | 4.788" | 24 | 2 1/2" | 0.75" to 2.688" | 50 | 5.122" | 5.122" | 1 3/4" | €381.50 | |
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E50Q28H | 5.5821" | 28 | 1.753" | 0.75" to 2.688" | #50 | 5.922" | 5.922" | 1 3/4" | €444.78 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET E50Q25H Sprocket, MST, 50 Chain, 25 Teeth, 4.987 Inch Pitch Dia., 5.322 Inch O.D., Steel
€397.09 /unit







