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The BlackStar H50BS25 1 3/8 K2S is a 50 pitch Finished Bore roller chain sprocket with 25 teeth, precision manufactured from SAE 1045 steel with induction-hardened teeth for extended wear life and features machine-cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1-3/8" bore with keyway and set screws and is ready for immediate installation.
| Specifications | |
|---|---|
| Part Number | H50BS25 1 3/8 K2S |
| Chain Pitch | 50 |
| Number of Teeth | 25 |
| Bore Size | 1-3/8" |
| Minimum Bore | 3/4" |
| Maximum Bore | 1-5/8" |
| Bore Type | Finished Bore (Keyway + Set Screws) |
| Hub Style | Finished Bore |
| Strand Count | Single |
| Material | Steel |
| Hardened Teeth | Yes |
| Outside Diameter | 5.32" |
| Pitch Diameter | 4.987" |
| Approx. Weight | 3.10 lbs |

Cross-references: Martin 50BS25, Browning H50B25
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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