Bore1-1/4"Chain Size#50Hub Diameter3-3/4 inKeyway Size1/4 x 1/8 inMaterialCarbon SteelO.D.12.3 inPitch50Pitch Diameter11.942 inScrew Size5/16 inTeeth60TypeFinished Bore Type B
| Bore | 1-1/4" |
| Chain Size | #50 |
| Hub Diameter | 3-3/4 in |
| Keyway Size | 1/4 x 1/8 in |
| Material | Carbon Steel |
| O.D. | 12.3 in |
| Pitch | 50 |
| Pitch Diameter | 11.942 in |
| Screw Size | 5/16 in |
| Teeth | 60 |
| Type | Finished Bore Type B |