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The BlackStar H78A9 100MM is a 78 pitch A-Plate roller chain sprocket with 9 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 100MM" bore and is ready for immediate installation.
| Specifications | |
|---|---|
| Part Number | H78A9 100MM |
| Chain Pitch | 78 |
| Number of Teeth | 9 |
| Bore Size | 100MM" |
| Bore Type | Plain Bore |
| Hub Style | A-Plate |
| Strand Count | Single |
| Material | Steel |
| Hardened Teeth | Yes |
| Outside Diameter | 7.63" |
| Pitch Diameter | 1" |
| Approx. Weight | 8.300 lbs |
Cross-references: Browning 78A9, Martin 78A9, Boston Gear 78A9
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
US$40
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