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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | P1 |
| Bushing Size | P1 |
| Chain Number | 50 |
| Chain Pitch | 5/8" |
| Construction | Solid With Recess Groove |
| Construction Type | Solid With Recess Groove |
| For Chain Number | 50 |
| For Chain Pitch | 5/8" |
| Hardened Teeth | 1 |
| Hub Configuration | A |
| Individually Packaged | No |
| Keyway Size | 3/8" |
| Keyway Width | 3/8" |
| Length Through Bore | 1.753" |
| Material | Steel |
| Max. Bore Size | 1 3/4" |
| Min. Bore Size | 1/2" |
| No. Of Teeth | 21 |
| Number Of Chain Rows | 3 |
| Number Of Teeth | 21 |
| Outside Dia. | 4.522" |
| Pitch | 5/8" |
| Pitch Dia. | 4.1934" |
| Product Datasheet | martin-sprocket-100a10.pdf |
| Single Strand Tooth Thickness | 0.332" |
| Storage Dimension Height | 1 19/25" |
| Storage Dimension Length | 4.522" |
| Storage Dimension Width | 4.522" |
Shipping Info:
| Ship weight (kg) | 1.89 |
| Ship height (cm) | 4.47 |
| Ship length (cm) | 11.48 |
| Ship width (cm) | 11.48 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
E50P15H | 15 | 3.0061" | 3.315" | 3 1/4" | MST P2 | 50 | 5/8" | Bushed | €238.49 | |
![]() |
E50P16H | 16 | 3.2036" | 3.517" | 2 1/2" | MST P2 | 50 | 5/8" | Bushed | €254.40 | |
![]() |
E50P18H | 18 | 3.5992" | 3 23/25" | 2 1/2" | MST P2 | 50 | 5/8" | Bushed | €286.16 | |
![]() |
E50P20H | 20 | 3.9953" | 4.321" | 1.753" | MST P1 | 50 | 5/8" | Bushed | €317.79 | |
![]() |
E50P23H | 23 | 4.59" | 4.922" | 1.753" | MST P1 | 50 | 5/8" | Bushed | €365.48 | |
![]() |
E50Q24H | 24 | 4.7883" | 5.122" | 2 1/2" | Type Q1 Split Taper | 50 | 5/8" | Bushed | €381.50 | |
![]() |
E50Q28H | 28 | 5.5821" | 5.922" | 1.753" | MST Q1 | 50 | 5/8" | Bushed | €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 E50P21H Sprocket, MST, 50 Chain, 21 Teeth, 4.193 Inch Pitch Dia., 4.522 Inch O.D., Steel
€333.83 /unit







