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- 12 Diametral Pitch
- 18 Straight Teeth
- 1.50" Pitch Diameter
- .500" Bore
- 3.750" Mounting Distance Steel Bevel
| Material | Steel |
| Ratio | 4:1 |
| Diametral Pitch | 12 |
| Use With | 12B72-18 |
| Type | Pinion |
| Size Code | 7218 |
| Hub Dia. | 1 1/4 in |
| Hardened Teeth | Without Hardened Teeth |
| Spiral Direction | None |
| No. of Teeth | 18 |
| Pitch Diameter | 1.5 in |
| Tooth Type | Straight |
| Bore Size | 0.5 in |
| Length Through Bore | 1.35 in |
| Mounting Distance | 3 3/4 in |
| Weight | 0.5 LB |
