Bore1-7/16"Chain Size#40Hub Diameter2-3/4 inKeyway Size3/8 x 3/16 inLength Through Bore1 inMaterialCarbon SteelO.D.3.62 inPitch40Pitch Diameter3.355 inScrew Size3/8 inTeeth21TypeFinished Bore Type B
| Bore | 1-7/16" |
| Chain Size | #40 |
| Hub Diameter | 2-3/4 in |
| Keyway Size | 3/8 x 3/16 in |
| Length Through Bore | 1 in |
| Material | Carbon Steel |
| O.D. | 3.62 in |
| Pitch | 40 |
| Pitch Diameter | 3.355 in |
| Screw Size | 3/8 in |
| Teeth | 21 |
| Type | Finished Bore Type B |