Bore1-3/8"Chain Size#80Hub Diameter4-1/4 inKeyway Size5/16 x 5/32 inLength Through Bore1-1/2 inMaterialCarbon SteelO.D.6.91 inPitch80Pitch Diameter6.392 inScrew Size5/16 inTeeth20TypeFinished Bore Type B
| Bore | 1-3/8" |
| Chain Size | #80 |
| Hub Diameter | 4-1/4 in |
| Keyway Size | 5/16 x 5/32 in |
| Length Through Bore | 1-1/2 in |
| Material | Carbon Steel |
| O.D. | 6.91 in |
| Pitch | 80 |
| Pitch Diameter | 6.392 in |
| Screw Size | 5/16 in |
| Teeth | 20 |
| Type | Finished Bore Type B |