78B12H 1 1/4" PLAIN BORE-HARDENED TEETH-BLACK OXIDE
Technical Information
Technical Information
| Chain No. | Pitch | Avg Weight per foot (lbs) | Hub Style | Number of Teeth | Bore Diameter | Pitch Diameter (PD) | Maximum Bore (MB) | Hub Diameter (HD) | Length Thru Bore | Tooth Thickness (T) | Hardness Spec (HRC) |
| P | |||||||||||
| 78 | 2.609 | 37 | B | 12 | 1-1/4" | 10.08 | 3.438 | 5.25 | 2.375 | 0.875" | 45-50 |