| Part number | .... | B1 - (voltage) - 1FM | Shaft out 1 side, same side as mounting holes. See B1-1FM drawing. | |
| Part number | .... | B1 - (voltage) - 1FRM | Shaft out 1 side, (as shown)
View PDF drawing | |
| Part number | .... | B1 - (voltage) - 2FM | Shaft out 2 sides. See B1-2FM drawing. |
For a shaft without a flat, omit 'F' from part number.
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