Shaft &
Housing Fits for Electric Motor Bearings
Cylindrical Bearings Series NU 300
| BEARING | BRG ID | SHAFT | DIAMETER | BRG OD | HOUSING | DIAMETER |
| type | mm | MAX-inch | MIN-inch | mm | MIN-inch | MAX-inch |
| NU303E | 17 | 0.6697 | 0.6693 | 47 | 1.8504 | 1.8510 |
| NU304E | 20 | 0.7879 | 0.7875 | 52 | 2.0472 | 2.0479 |
| NU305E | 25 | 0.9848 | 0.9844 | 62 | 2.4409 | 2.4416 |
| NU306E | 30 | 1.1816 | 1.1812 | 72 | 2.8346 | 2.8353 |
| NU307E | 35 | 1.3785 | 1.3781 | 80 | 3.1496 | 3.1503 |
| NU308E | 40 | 1.5753 | 1.5749 | 90 | 3.5433 | 3.5442 |
| NU309E | 45 | 1.7722 | 1.7718 | 100 | 3.9370 | 3.9379 |
| NU310E | 50 | 1.9690 | 1.9686 | 110 | 4.3307 | 4.3316 |
| NU31 1E | 55 | 2.1660 | 2.1655 | 120 | 4.7244 | 4.7253 |
| NU312E | 60 | 2.3628 | 2.3623 | 130 | 5.1181 | 5.1191 |
| NU313E | 65 | 2.5601 | 2.5596 | 140 | 5.5118 | 5.5128 |
| NU314E | 70 | 2.7569 | 2.7564 | 150 | 5.9055 | 5.9065 |
| NU315E | 75 | 2.9538 | 2.9533 | 160 | 6.2992 | 6.3002 |
| NU316E | 80 | 3.1506 | 3.1501 | 170 | 6.6929 | 6.6939 |
| NU317E | 85 | 3.3476 | 3.3470 | 180 | 7.0866 | 7.0876 |
| NU318E | 90 | 3.5444 | 3.5438 | 190 | 7.4803 | 7.4815 |
| NU319E | 95 | 3.7413 | 3.7407 | 200 | 7.8740 | 7.8752 |
| NU320E | 100 | 3.9381 | 3.9375 | 215 | 8.4646 | 8.4658 |
| NU321E | 105 | 4.1350 | 4.1344 | 225 | 8.8582 | 8.8595 |
| NU322E | 110 | 4.3318 | 4.3312 | 240 | 9.4488 | 9.4500 |
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www.emersonbearing.com info@emersonbearing.com |