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. | ||
| ✉️ | 24024 MB/W33 | 24024 MBK30/W33 | 120 | 180 | 60 | 461 | 662 | 2200 | 2900 | 5.45 |
| ✉️ | 23124 MB/W33 | 23124 MBK/W33 | 120 | 200 | 62 | 543 | 683 | 2400 | 2900 | 8 |
| ✉️ | 24124 MB/W33 | 24124 MBK30/W33 | 120 | 200 | 80 | 679 | 940 | 1700 | 2300 | 10.5 |
| ✉️ | 231581 MB/W33 | 120 | 205 | 68 | 528 | 863 | 2300 | 9.2 | ||
| ✉️ | 22224 MB/W33 | 22224 MBK/W33 | 120 | 215 | 58 | 660 | 753 | 2600 | 3300 | 8.7 |
| ✉️ | 23224 MB/W33 | 23224 MBK/W33 | 120 | 215 | 76 | 745 | 912 | 1800 | 2500 | 12 |
| ✉️ | 22324 MB/W33 | 22324 MBK/W33 | 120 | 260 | 86 | 1030 | 1110 | 1850 | 2300 | 23 |
| ✉️ | 23026 MB/W33 | 23026 MBK/W33 | 130 | 200 | 52 | 448 | 610 | 2600 | 3200 | 6 |
| ✉️ | 24026 MB/W33 | 24026 MBK30/W33 | 130 | 200 | 69 | 568 | 814 | 1800 | 2600 | 8.05 |
| ✉️ | 23126 MB/W33 | 23126 MBK/W33 | 130 | 210 | 64 | 595 | 766 | 2200 | 2800 | 8.8 |
| ✉️ | 24126 MB/W33 | 24126 MBK30/W33 | 130 | 210 | 80 | 703 | 985 | 1500 | 2100 | 11 |
| ✉️ | 22226 MB/W33 | 22226 MBK/W33 | 130 | 230 | 64 | 753 | 920 | 2400 | 3200 | 11 |
| ✉️ | 29226 MB/W33 | 29226 MBK/W33 | 130 | 230 | 64 | 657 | 920 | 2200 | 11 | |
| ✉️ | 23226 MB/W33 | 23226 MBK/W33 | 130 | 230 | 80 | 827 | 1050 | 1700 | 2300 | 14.5 |
| ✉️ | 22326 MB/W33 | 22326 MBK/W33 | 130 | 280 | 93 | 1178 | 1324 | 1650 | 2100 | 29 |
| ✉️ | 23028 MB/W33 | 23028 MBK/W33 | 140 | 210 | 53 | 486 | 672 | 2400 | 2900 | 6.55 |
| ✉️ | 24028 MB/W33 | 24028 MBK30/W33 | 140 | 210 | 69 | 610 | 890 | 1800 | 2500 | 8.55 |
| ✉️ | 23128 MB/W33 | 23128 MBK/W33 | 140 | 225 | 68 | 663 | 898 | 2000 | 2500 | 10.5 |
| ✉️ | 24128 MB/W33 | 24128 MBK30/W33 | 140 | 225 | 85 | 811 | 1140 | 1500 | 1900 | 13.5 |
| ✉️ | 22228 MB/W33 | 22228 MBK/W33 | 140 | 250 | 68 | 743 | 893 | 2200 | 2800 | 14 |