Bore1-3/8"Chain Size#50Hub Diameter3-1/4 inKeyway Size5/16 x 5/32 inLength Through Bore1-1/4 inMaterialCarbon SteelO.D.8.72 inPitch50Pitch Diameter8.364 inScrew Size5/16 inTeeth42TypeFinished Bore Type B
| Bore | 1-3/8" |
| Chain Size | #50 |
| Hub Diameter | 3-1/4 in |
| Keyway Size | 5/16 x 5/32 in |
| Length Through Bore | 1-1/4 in |
| Material | Carbon Steel |
| O.D. | 8.72 in |
| Pitch | 50 |
| Pitch Diameter | 8.364 in |
| Screw Size | 5/16 in |
| Teeth | 42 |
| Type | Finished Bore Type B |