Speed and Power Specifications for Belt Driven Motorized Spindles |
| Spindle Series | Horsepower | Base Speed | Nema Motor Frame Size | Maximum Belt Drive Ratio |
| MC1875 | 1/3 | 1160 | 48C | From 2:1 to 1:2 |
| 1/3 | 1750 | 48C |
| 1/2 | 3500 | 48C |
| MC / MB275 | 1/2 | 1160 | 56C | From 2:1 to 1:2 |
| 3/4 | 1750 | 56C |
| 1 | 3500 | 56C |
| 1 1/2 | 1160 | 145TC |
| 2 | 1750 | 145TC |
| 3 | 3500 | 145TC |
| MC / MB35 | 1/2 | 1160 | 56C | From 2:1 to 1:2 |
| 3/4 | 1750 | 56C |
| 1 | 3500 | 56C |
| 1 1/2 | 1160 | 145TC |
| 2 | 1750 | 145TC |
| 3 | 3500 | 145TC |
| MC / MB40 | 1 1/2 | 1160 | 145TC | From 2:1 to 1:2 |
| 2 | 1750 | 145TC |
| 3 | 3500 | 145TC |
| 5 | 1160 | 215TC |
| 7 1/2 | 1750 | 213TC |
| 7 1/2 | 3500 | 184TC |
| MC / MB55 | 2 | 1160 | 184TC | From 2:1 to 1:2 |
| 3 | 1750 | 182TC |
| 3 | 3500 | 182TC |
| 5 | 1160 | 215TC |
| 7 1/2 | 1750 | 213TC |
| 7 1/2 | 3500 | 184TC |
| MC / MB65 | 5 | 1160 | 215TC | From 2:1 to 1:2 |
| 7 1/2 | 1750 | 213TC |
| 7 1/2 | 3500 | 184TC |
| 15 | 1160 | 284TC |
| 20 | 1750 | 256TC |
| 20 | 3500 | 256TC |
| MC / MB80 | 5 | 1160 | 215TC | From 2:1 to 1:2 |
| 7 1/2 | 1750 | 213TC |
| 7 1/2 | 3500 | 213TC |
| 15 | 1160 | 284TC |
| 20 | 1750 | 256TC |
| 20 | 3500 | 286TC |
