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. | ||
| ✉️ | 24156 MB/W33 | 24156 MBK30/W33 | 280 | 460 | 180 | 3125 | 5080 | 560 | 800 | 120 |
| ✉️ | 22256 MB/W33 | 22256 MBK/W33 | 280 | 500 | 130 | 2844 | 3730 | 1000 | 1330 | 115 |
| ✉️ | 23256 MB/W33 | 23256 MBK/W33 | 280 | 500 | 176 | 3453 | 4793 | 750 | 1057 | 150 |
| ✉️ | 22356 MB/W33 | 22356 MBK/W33 | 280 | 580 | 175 | 4147 | 5130 | 730 | 970 | 235 |
| ✉️ | 23860 MB/W33 | 23860 MBK/W33 | 300 | 380 | 60 | 512 | 1196 | 17 | ||
| ✉️ | 23960 MB/W33 | 23960 MBK/W33 | 300 | 420 | 90 | 1400 | 2490 | 1300 | 1400 | 39.5 |
| ✉️ | 23060 MB/W33 | 23060 MBK/W33 | 300 | 460 | 118 | 2192 | 3410 | 1100 | 1340 | 71.5 |
| ✉️ | 24060 MB/W33 | 24060 MBK30/W33 | 300 | 460 | 160 | 2779 | 4710 | 790 | 1050 | 97 |
| ✉️ | 23160 MB/W33 | 23160 MBK/W33 | 300 | 500 | 160 | 3108 | 4688 | 850 | 1040 | 125 |
| ✉️ | 24160 MB/W33 | 24160 MBK30/W33 | 300 | 500 | 200 | 3825 | 6290 | 510 | 690 | 160 |
| ✉️ | 22260 MB/W33 | 22260 MBK/W33 | 300 | 540 | 140 | 3228 | 4220 | 900 | 1200 | 135 |
| ✉️ | 23260 MB/W33 | 23260 MBK/W33 | 300 | 540 | 192 | 4042 | 5810 | 700 | 850 | 190 |
| ✉️ | 23864 MB/W33 | 23864 MBK/W33 | 320 | 400 | 60 | 661 | 1656 | 1200 | - | 17.5 |
| ✉️ | 23964 MB/W33 | 23964 MBK/W33 | 320 | 440 | 90 | 1502 | 2723 | 1250 | 1300 | 42 |
| ✉️ | 23064 MB/W33 | 23064 MBK/W33 | 320 | 480 | 121 | 2328 | 3740 | 1000 | 1260 | 78 |
| ✉️ | 24064 MB/W33 | 24064 MBK30/W33 | 320 | 480 | 160 | 2920 | 5060 | 750 | 1080 | 100 |
| ✉️ | 23164 MB/W33 | 23164 MBK/W33 | 320 | 540 | 176 | 3653 | 5504 | 790 | 960 | 165 |
| ✉️ | 24164 MB/W33 | 24164 MBK30/W33 | 320 | 540 | 218 | 4443 | 7090 | 470 | 610 | 210 |
| ✉️ | 22264 MB/W33 | 22264 MBK/W33 | 320 | 580 | 150 | 3782 | 4990 | 860 | 1160 | 175 |
| ✉️ | 23264 MB/W33 | 23264 MBK/W33 | 320 | 580 | 208 | 4623 | 6690 | 630 | 850 | 240 |