| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 30238 J2/DFC700 | 190 | 340 | |
| 30240 J2 | 200 | 360 | |
| 30240 J2/DFC570 | 200 | 360 | |
| 30244 J2 | 220 | 400 | |
| 30303 J2 | 17 | 47 | |
| 30304 J2/Q | 20 | 52 | |
| 30305 J2 | 25 | 62 | |
| 30306 J2/Q | 30 | 72 | |
| 30307 J2/Q | 35 | 80 | |
| 30307 RJ2/Q | 35 | 80 | |
| 30308 J2/Q | 40 | 90 | |
| 30309 J2/Q | 45 | 100 | |
| 30310 J2/Q | 50 | 110 | |
| 30311 J2/Q | 55 | 120 | |
| 30312 J2/Q | 60 | 130 | |
| 30313 J2/Q | 65 | 140 | |
| 30313 RJ2 | 65 | 140 | |
| 30315 J2 | 75 | 160 | |
| 30316 J2 | 80 | 170 | |
| 30317 J2 | 85 | 180 | |
| 30318 J2 | 90 | 190 | |
| 30320 J2 | 100 | 215 | |
| 30320 J2/DFC400 | 100 | 215 | |
| 30322 J2 | 110 | 240 | |
| 30324 J2 | 120 | 260 | |
| 30324 J2/DFC600 | 120 | 260 | |
| 30326 J2 | 130 | 280 | |
| 30332 J2 | 160 | 340 | |
| 30352 J2 | 260 | 540 | |
| 31305 J2 | 25 | 62 | |
