| Agency Compliance | American National Standards Institute (ANSI) |
| Bore Dia. - Sprockets, Bore Diameter, Maximum Bore Diameter | 1 1/8 in |
| Bore Type | Fixed |
| Chain Number, For Chain Number, Industry Chain Size | 40 |
| Country of Origin (subject to change) | China |
| Finish | Black Oxide |
| For Chain Pitch | 1/2 in |
| For Number of Strands, Number of Chain Rows | Single |
| Hub Diameter | 2 5/16 in |
| Hub Projection, Length through Bore | 1 in |
| Hub Type | One Side |
| Item, Item - Roller Chain Sprockets | Roller Chain Sprocket |
| Keyway Width | 1/4 in |
| Material, Material - Sprockets | Steel |
| Number of Set Screws | 2 |
| Number of Teeth, Number of Teeth - Sprockets | 18 |
| Outside Dia. | 3.14 in |
| Outside Diameter | 3 in |
| Pitch Dia., Pitch Diameter | 2.879 in |
| Set Screw Location | One Setscrew Over the Keyway and A Second Setscrew at 90 Degrees |
| Sprocket Bore Type | Fixed Bore |
| Sprocket Hub Type | Type B |
| Standards | ANSI B29.1, BIS |
| Teeth Heat Treatment | Hardened Teeth |
| Tooth Width | 0.284 in |
| Width Across Tooth Sets | Not Applicable |