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- 8 Diametral Pitch
- 18 Straight Teeth
- 2.25" Pitch Diameter
- .875" Bore
- 5.750" Mounting Distance Steel Bevel
| Tooth Type | Straight |
| Diametral Pitch | 8 |
| Pitch Diameter | 2.25 in |
| Mounting Distance | 5 3/4 in |
| Hub Dia. | 2.12 in |
| Spiral Direction | None |
| Length Through Bore | 2.46 in |
| Use With | 8B72 18 |
| No. of Teeth | 18 |
| Material | Steel |
| Ratio | 4:1 |
| Size Code | 7218 |
| Hardened Teeth | Without Hardened Teeth |
| Bore Size | 0.875 in |
| Type | Pinion |
| Weight | 2.0 LB |
