| Bore Diameter, Maximum Bore Diameter | 1 1/4 in |
| Bore Type | Fixed |
| Chain Number | 40 |
| Finish | Black Oxide |
| For Chain Pitch | 1/2 in |
| For Number of Strands | Single |
| Hub Diameter | 2 5/16 in |
| Hub Projection | 1 in |
| Hub Type | One Side |
| Includes | Standard Keyway and (2) Set Screws |
| Item | Sprocket |
| Keyway | Yes |
| Keyway Depth | 1/8 in |
| Keyway Width | 1/4 in |
| Length through Bore | 1.0" |
| Material | Steel |
| Number of Set Screws | 2 |
| Number of Teeth | 18 |
| Outside Diameter | 3 in |
| Pitch Diameter | 2.879 in |
| Set Screw Location | One Setscrew Over the Keyway and A Second Setscrew at 90 Degrees |
| Set Screw Size | 5/16 in |
| Standards | ANSI B29.1, BIS |
| Teeth Heat Treatment | Hardened Teeth |
| Tooth Width | 0.284 in |
| Width Across Tooth Sets | Not Applicable |