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. | ||
| ✉️ | 23228 MB/W33 | 23228 MBK/W33 | 140 | 250 | 88 | 964 | 1240 | 1500 | 2100 | 19 |
| ✉️ | 22328 MB/W33 | 22328 MBK/W33 | 140 | 300 | 102 | 1434 | 1540 | 1500 | 1900 | 36.5 |
| ✉️ | 23030 MB/W33 | 23030 MBK/W33 | 150 | 225 | 56 | 538 | 749 | 2200 | 2800 | 7.95 |
| ✉️ | 24030 MB/W33 | 24030 MBK30/W33 | 150 | 225 | 75 | 682 | 1030 | 1600 | 2300 | 10.5 |
| ✉️ | 23130 MB/W33 | 23130 MBK/W33 | 150 | 250 | 80 | 890 | 1190 | 1800 | 2300 | 16 |
| ✉️ | 24130 MB/W33 | 24130 MBK30/W33 | 150 | 250 | 100 | 1036 | 1510 | 1300 | 1800 | 20 |
| ✉️ | 22230 MB/W33 | 22230 MBK/W33 | 150 | 270 | 73 | 905 | 1070 | 2000 | 2600 | 18 |
| ✉️ | 23230 MB/W33 | 23230 MBK/W33 | 150 | 270 | 96 | 1135 | 1457 | 1500 | 1900 | 24.5 |
| ✉️ | 22330 MB/W33 | 22330 MBK/W33 | 150 | 320 | 108 | 1523 | 1740 | 1500 | 1800 | 43.5 |
| ✉️ | 24932 MB/W33 | 160 | 220 | 60 | 413 | 840 | 1700 | 6.85 | ||
| ✉️ | 23032 MB/W33 | 23032 MBK/W33 | 160 | 240 | 60 | 613 | 879 | 2200 | 2600 | 9.7 |
| ✉️ | 24032 MB/W33 | 24032 MBK/W33 | 160 | 240 | 80 | 777 | 1180 | 1500 | 2100 | 13 |
| ✉️ | 23132 MB/W33 | 23132 MBK/W33 | 160 | 270 | 86 | 1035 | 1360 | 1700 | 2100 | 20.5 |
| ✉️ | 24132 MB/W33 | 24132 MBK30/W33 | 160 | 270 | 109 | 1229 | 1750 | 1200 | 1700 | 25 |
| ✉️ | 22232 MB/W33 | 22232 MBK/W33 | 160 | 290 | 80 | 1048 | 1280 | 1800 | 2500 | 22.5 |
| ✉️ | 23232 MB/W33 | 23232 MBK/W33 | 160 | 290 | 104 | 1263 | 1650 | 1400 | 1900 | 31 |
| ✉️ | 22332 MB/W33 | 22332 MBK/W33 | 160 | 340 | 114 | 1694 | 1950 | 1400 | 1700 | 52 |
| ✉️ | 23034 MB/W33 | 23034 MBK/W33 | 170 | 260 | 67 | 743 | 1040 | 2000 | 2400 | 13 |
| ✉️ | 24034 MB/W33 | 24034 MBK30/W33 | 170 | 260 | 90 | 973 | 1440 | 1500 | 2100 | 17.5 |
| ✉️ | 23134 MB/W33 | 23134 MBK/W33 | 170 | 280 | 88 | 1102 | 1490 | 1600 | 2100 | 22 |