| Bearing type 轴承型号 | Boundary Dimensions（mm）外形尺寸 | ||
|---|---|---|---|
| d 内径 | D 外径 | B 内圈 宽度 | |
| NA 2204.2RS | 20 | 47 | 18 |
| NA 2204.2RSX | 20 | 47 | 18 |
| NA 2205.2RS | 25 | 52 | 18 |
| NA 2205.2RSX | 25 | 52 | 18 |
| NA 2206.2RS | 30 | 62 | 20 |
| NA 2206.2RSX | 30 | 62 | 20 |
| NA 2207.2RS | 35 | 72 | 23 |
| NA 2207.2RSX | 35 | 72 | 23 |
| NA 2208.2RS | 40 | 80 | 23 |
| NA 2208.2RSX | 40 | 80 | 23 |
| NA 2210.2RS | 50 | 90 | 23 |
| NA 2210.2RSX | 50 | 90 | 23 |
| NATR 10 | 10 | 30 | 15 |
| NATR 10 PPA | 10 | 30 | 15 |
| NATR 10 PPXA | 10 | 30 | 15 |
| NATR 10 X | 10 | 30 | 15 |
| NATR 12 | 12 | 32 | 15 |
| NATR 12 PPA | 12 | 32 | 15 |
| NATR 12 PPXA | 12 | 32 | 15 |
| NATR 12 X | 12 | 32 | 15 |
| NATR 15 | 15 | 35 | 19 |
| NATR 15 PPA | 15 | 35 | 19 |
| NATR 15 PPXA | 15 | 35 | 19 |
| NATR 15 X | 15 | 35 | 19 |
| NATR 17 | 17 | 40 | 21 |
| NATR 17 PPA | 17 | 40 | 21 |
| NATR 17 PPXA | 17 | 40 | 21 |
| NATR 17 X | 17 | 40 | 21 |
| NATR 20 | 20 | 47 | 25 |
| NATR 20 PPA | 20 | 47 | 25 |
