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- 8 Diametral Pitch
- 18 Teeth
- 20 ° Pressure Angle
- 2 1/4" Pitch Diameter
- 1 1/4" Max, 7/8" Nominal Bore
| Keyway | No Keyway |
| Material | Steel |
| Diametral Pitch | 8 |
| Horsepower Output | 7.77 hp |
| Size Code | 7218 |
| Pressure Angle | 20 ° |
| Use With | YSB8B72-40 |
| Hub Length | 1.2188 in |
| Bore Size | 0.875 in |
| Length Through Bore | 2.469 in |
| Hardened Teeth | Without Hardened Teeth |
| Ratio | 4:1 |
| Mounting Distance | 5 3/4 in |
| Hub Dia. | 2 1/8 in |
| Tooth Type | Straight |
| No. of Teeth | 18 |
| Pitch Diameter | 2.25 in |
| Outside Dia. | 2.597 in |
| Type | Pinion |
| Spiral Direction | Straight |
| Weight | 2.0 LB |
| EAN or UPC | 662289175000 |
