Roller bearing NN3020、NN3021、NN3022、NN3024、NN3026、NN3028、NN3030、NN3032、NN3034、NN3036、NN3038、NN3040、NN3044、NN3048、NN3052
NN3000 series


| model | d | D | B | seal | Accuracy level | weight(kg) |
| NN3020 | 100 | 150 | 37 | K | P5、P4、P2 | 2.28 |
| NN3021 | 105 | 160 | 41 | K | P5、P4、P2 | 2.88 |
| NN3022 | 110 | 170 | 45 | K | P5、P4、P2 | 3.71 |
| NN3024 | 120 | 180 | 46 | K | P5、P4、P2 | 4.04 |
| NN3026 | 130 | 200 | 52 | K | P5、P4、P2 | 5.88 |
| NN3028 | 140 | 210 | 53 | K | P5、P4、P2 | 6.34 |
| NN3030 | 150 | 225 | 56 | K | P5、P4、P2 | 7.77 |
| NN3032 | 160 | 240 | 60 | K | P5、P4、P2 | 9.41 |
| NN3034 | 170 | 260 | 67 | K | P5、P4、P2 | 12.8 |
| NN3036 | 180 | 280 | 74 | K | P5、P4、P2 | 16.8 |
| NN3038 | 190 | 290 | 75 | K | P5、P4、P2 | 17.8 |
| NN3040 | 200 | 310 | 82 | K | P5、P4、P2 | 22.7 |
| NN3044 | 220 | 340 | 90 | K | P5、P4、P2 | 29.6 |
| NN3048 | 240 | 360 | 92 | K | P5、P4、P2 | 32.7 |
| NN3052 | 260 | 400 | 104 | K | P5、P4、P2 | 47.7 |




