MB Series Self-Aligning Roller BearingsSelf-aligning roller bearings
MB-type self-aligning roller bearings feature a symmetrical barrel-shaped roller design and are equipped with an inner ring-guided double-row solid brass cage. With a robust structure and exceptional rigidity, they offer excellent self-aligning capabilities, effectively compensating for shaft deflection and misalignment errors. These bearings can withstand extremely high radial loads and bidirectional axial loads, while also providing outstanding resistance to shock, vibration, and wear, ensuring smooth and reliable operation. and excellent high-temperature resistance. The cage of this bearing type boasts high strength and good toughness, making it resistant to deformation and fracture under severe operating conditions involving heavy loads, frequent impacts, and intense vibrations. Compared to the MA type, its inner ring guidance method is more targeted, ensuring more precise roller positioning and more stable lubrication during operation. It is suitable for working environments with extremely high requirements for bearing reliability and service life, and is widely used in large-scale industrial equipment subject to strong impacts and heavy loads, such as mining crushers, large vibrating screens, metallurgical rolling mills, heavy-duty gear reducers, cement equipment, and port cranes—all of which are subject to high impact and heavy loads. Thanks to its exceptional structural strength and durable operational characteristics, it has become a critical bearing component for ensuring continuous and stable equipment operation under extreme conditions.
Product Parameters
| Inquiry | Bearing Designation | Basic Dimensions (mm) | Rated Load (kN) | Limiting Speed (r/min) | Weight ≈kg |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cylindrical Bore | Tapered Bore | d | D | B | C Dynamic | C0 Static | Ref. | Lim. | ||
| ✉️ | 22312 MB/W33 | 22312 MBK/W33 | 60 | 130 | 46 | 326 | 333 | 3600 | 4700 | 3.1 |
| ✉️ | 24013 MB/W33 | 24013 MBK/W33 | 65 | 100 | 35 | 137 | 172 | 4000 | 5600 | 0.95 |
| ✉️ | 22213 MB/W33 | 22213 MBK/W33 | 65 | 120 | 31 | 195 | 213 | 4700 | 6100 | 1.55 |
| ✉️ | 21313 MB/W33 | 21313 MBK/W33 | 65 | 140 | 33 | 239 | 267 | 3900 | 5200 | 2.55 |
| ✉️ | 22313 MB/W33 | 22313 MBK/W33 | 65 | 140 | 48 | 361 | 353 | 3500 | 4300 | 3.75 |
| ✉️ | 22214 MB/W33 | 22214 MBK/W33 | 70 | 125 | 31 | 212 | 226 | 4700 | 5900 | 1.55 |
| ✉️ | 21314 MB/W33 | 21314 MBK/W33 | 70 | 150 | 35 | 291 | 321 | 3700 | 4800 | 3.1 |
| ✉️ | 22314 MB/W33 | 22314 MBK/W33 | 70 | 150 | 51 | 419 | 427 | 3100 | 3900 | 4.55 |
| ✉️ | 24015 MB/W33 | 24015 MBK30/W33 | 75 | 115 | 40 | 178 | 229 | 3500 | 4700 | 1.55 |
| ✉️ | 22215 MB/W33 | 22215 MBK/W33 | 75 | 130 | 31 | 216 | 240 | 4500 | 5400 | 1.7 |
| ✉️ | 21315 MB/W33 | 21315 MBK/W33 | 75 | 160 | 37 | 289 | 321 | 3700 | 5000 | 3.75 |
| ✉️ | 22315 MB/W33 | 22315 MBK/W33 | 75 | 160 | 55 | 470 | 474 | 3000 | 3800 | 5.55 |
| ✉️ | 22216 MB/W33 | 22216 MBK/W33 | 80 | 140 | 33 | 239 | 265 | 3900 | 5400 | 2.1 |
| ✉️ | 21316 MB/W33 | 21316 MBK/W33 | 80 | 170 | 39 | 329 | 374 | 3400 | 4700 | 4.45 |
| ✉️ | 22316 MB/W33 | 22316 MBK/W33 | 80 | 170 | 58 | 514 | 536 | 2700 | 3400 | 6.6 |
| ✉️ | 22217 MB/W33 | 22217 MBK/W33 | 85 | 150 | 36 | 287 | 323 | 3600 | 5000 | 2.7 |
| ✉️ | 21317 MB/W33 | 21317 MBK/W33 | 85 | 180 | 41 | 327 | 371 | 3500 | 4700 | 5.2 |
| ✉️ | 22317 MB/W33 | 22317 MBK/W33 | 85 | 180 | 60 | 586 | 617 | 2600 | 3400 | 7.65 |
| ✉️ | 22218 MB/W33 | 22218 MBK/W33 | 90 | 160 | 40 | 328 | 373 | 3500 | 4700 | 3.4 |
| ✉️ | 23218 MB/W33 | 23218 MBK/W33 | 90 | 160 | 52.4 | 369 | 437 | 2500 | 3300 | 4.65 |