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. | ||
| ✉️ | 232/500 MB/W33 | 232/500 MBK/W33 | 500 | 920 | 336 | 11211 | 17000 | 330 | 440 | 985 |
| ✉️ | 248/530 MB/W33 | 248/530 MBK30/W33 | 530 | 650 | 118 | 2119 | 5230 | 490 | 850 | 86 |
| ✉️ | 239/530 MB/W33 | 239/530 MBK/W33 | 530 | 710 | 136 | 3292 | 6590 | 460 | 780 | 155 |
| ✉️ | 230/530 MB/W33 | 230/530 MBK/W33 | 530 | 780 | 185 | 5327 | 9260 | 420 | 680 | 310 |
| ✉️ | 240/530 MB/W33 | 240/530 MBK30/W33 | 530 | 780 | 250 | 6904 | 13040 | 370 | 600 | 410 |
| ✉️ | 231/530 MB/W33 | 231/530 MBK/W33 | 530 | 870 | 272 | 8581 | 13740 | 330 | 570 | 645 |
| ✉️ | 241/530 MB/W33 | 241/530 MBK30/W33 | 530 | 870 | 335 | 10955 | 18880 | 220 | 320 | 830 |
| ✉️ | 232/530 MB/W33 | 232/530 MBK/W33 | 530 | 980 | 355 | 13324 | 20210 | 300 | 420 | 1200 |
| ✉️ | 239/560 MB/W33 | 239/560 MBK/W33 | 560 | 750 | 140 | 3537 | 7060 | 400 | 750 | 175 |
| ✉️ | 230/560 MB/W33 | 230/560 MBK/W33 | 560 | 820 | 195 | 5693 | 10040 | 400 | 670 | 355 |
| ✉️ | 240/560 MB/W33 | 240/560 MBK30/W33 | 560 | 820 | 258 | 7504 | 14590 | 350 | 540 | 465 |
| ✉️ | 231/560 MB/W33 | 231/560 MBK/W33 | 560 | 920 | 280 | 9525 | 15930 | 310 | 560 | 740 |
| ✉️ | 241/560 MB/W33 | 241/560 MBK30/W33 | 560 | 920 | 355 | 12551 | 21460 | 200 | 280 | 985 |
| ✉️ | 232/560 MB/W33 | 232/560 MBK/W33 | 560 | 1030 | 365 | 13783 | 21660 | 260 | 380 | 1350 |
| ✉️ | 239/600 MB/W33 | 239/600 MBK/W33 | 600 | 800 | 150 | 3955 | 8253 | 390 | 670 | 220 |
| ✉️ | 230/600 MB/W33 | 230/600 MBK/W33 | 600 | 870 | 200 | 6202 | 11250 | 370 | 600 | 405 |
| ✉️ | 240/600 MB/W33 | 240/600 MBK30/W33 | 600 | 870 | 272 | 8716 | 16700 | 310 | 500 | 520 |
| ✉️ | 231/600 MB/W33 | 231/600 MBK/W33 | 600 | 980 | 300 | 10814 | 17810 | 290 | 480 | 895 |
| ✉️ | 241/600 MB/W33 | 241/600 MBK30/W33 | 600 | 980 | 375 | 13384 | 23570 | 180 | 270 | 1200 |
| ✉️ | 232/600 MB/W33 | 232/600 MBK/W33 | 600 | 1090 | 388 | 15786 | 25430 | 230 | 360 | 1600 |