| Bearing type 轴承型号 | Boundary Dimensions（mm）外形尺寸 | ||
|---|---|---|---|
| d 内径 | D 外径 | B 内圈 宽度 | |
| NJ 238 ECML | 190 | 340 | 55 |
| NJ 240 ECM | 200 | 360 | 58 |
| NJ 240 ECML | 200 | 360 | 58 |
| NJ 244 ECM | 220 | 400 | 65 |
| NJ 244 ECML | 220 | 400 | 65 |
| NJ 248 MA | 240 | 440 | 72 |
| NJ 252 MA | 260 | 480 | 80 |
| NJ 256 MA | 280 | 500 | 80 |
| NJ 28/1000 ECMA/HB1 | 1000 | 1220 | 128 |
| NJ 28/530 ECMA | 530 | 650 | 72 |
| NJ 28/710 ECMA | 710 | 870 | 95 |
| NJ 2892 ECMA | 460 | 580 | 72 |
| NJ 2896 ECMA | 480 | 600 | 72 |
| NJ 29/630 ECMA/HB1 | 630 | 850 | 128 |
| NJ 29/710 ECMA | 710 | 950 | 140 |
| NJ 2968 ECMA | 340 | 460 | 72 |
| NJ 2980 ECMA | 400 | 540 | 82 |
| NJ 2988 ECM/HB1 | 440 | 600 | 95 |
| NJ 2988 ECML | 440 | 600 | 95 |
| NJ 2992 ECMA | 460 | 620 | 95 |
| NJ 303 ECP | 17 | 47 | 14 |
| NJ 304 ECP | 20 | 52 | 15 |
| NJ 305 ECJ | 25 | 62 | 17 |
| NJ 305 ECML | 25 | 62 | 17 |
| NJ 305 ECP | 25 | 62 | 17 |
| NJ 306 ECJ | 30 | 72 | 19 |
| NJ 306 ECM | 30 | 72 | 19 |
| NJ 306 ECML | 30 | 72 | 19 |
| NJ 306 ECP | 30 | 72 | 19 |
| NJ 307 ECJ | 35 | 80 | 21 |
