| 轴承型号 | 外形尺寸 mm | |||
| 新型号 | 老型号 | d | D | B |
| NU2304+HJ2304 | 52604 | 20 | 52 | 21 | NU2305+HJ2305 | 52605 | 25 | 62 | 24 |
| NU2306+HJ2306 | 52606 | 30 | 72 | 27 | NU2307+HJ2307 | 52607 | 35 | 80 | 31 |
| NU2308+HJ2308 | 52608 | 40 | 90 | 33 | NU2309+HJ2309 | 52609 | 45 | 100 | 36 |
| NU2310+HJ2310 | 52610 | 50 | 110 | 40 | NU2311+HJ2311 | 52611 | 55 | 120 | 43 |
| NU2312+HJ2312 | 52612 | 60 | 130 | 46 | NU2313+HJ2313 | 52613 | 65 | 140 | 48 |
| NU2314+HJ2314 | 52614 | 70 | 150 | 51 | NU2315+HJ2315 | 52615 | 75 | 160 | 55 |
