- 40 Chain, 19 Tooth, 1 in Bore, With Keyway and Setscrew
| Pitch Diameter | 3.038 in |
| Inch/Metric | Inch |
| Outside Dia. | 3.296 in |
| Length Through Bore | 0.875 in |
| Finished Bore | 1.000 in - 1 in |
| Sprocket Style | B |
| Chain No. | 40 |
| Hub Length Thru | 0.591 in |
| No. of Strands Across | 1 |
| No. of Teeth | 19 |
| Hardened Teeth | Without Hardened Teeth |
| Keyway | w/Keyway & Set Screw |
| Hub Dia. | 2 1/2 in |
| Material | Steel |
| Chain Pitch | 0.500 in |
| Width Across Teeth | 0.284 in |
| Weight | 1.2 LB |

