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. | ||
| ✉️ | 24134 MB/W33 | 24134 MBK30/W33 | 170 | 280 | 109 | 1271 | 1890 | 1100 | 1600 | 27.5 |
| ✉️ | 22234 MB/W33 | 22234 MBK/W33 | 170 | 310 | 86 | 1176 | 1450 | 1700 | 2300 | 28.5 |
| ✉️ | 23234 MB/W33 | 23234 MBK/W33 | 170 | 310 | 110 | 1481 | 1910 | 1300 | 1700 | 37.5 |
| ✉️ | 22334 MB/W33 | 22334 MBK/W33 | 170 | 360 | 120 | 1894 | 2130 | 1300 | 1600 | 61 |
| ✉️ | 23936 MB/W33 | 23936 MBK/W33 | 180 | 250 | 52 | 512 | 821 | 2300 | 2500 | 7.9 |
| ✉️ | 23036 MB/W33 | 23036 MBK/W33 | 180 | 280 | 74 | 884 | 1240 | 1800 | 2300 | 17 |
| ✉️ | 24036 MB/W33 | 24036 MBK30/W33 | 180 | 280 | 100 | 1131 | 1710 | 1400 | 1900 | 23 |
| ✉️ | 23136 MB/W33 | 23136 MBK/W33 | 180 | 300 | 96 | 1247 | 1730 | 1500 | 1900 | 28 |
| ✉️ | 24136 MB/W33 | 24136 MBK30/W33 | 180 | 300 | 118 | 1464 | 2150 | 1000 | 1400 | 34.5 |
| ✉️ | 22236 MB/W33 | 22236 MBK/W33 | 180 | 320 | 86 | 1218 | 1540 | 1600 | 2300 | 29.5 |
| ✉️ | 23236 MB/W33 | 23236 MBK/W33 | 180 | 320 | 112 | 1554 | 2110 | 1200 | 1700 | 39.5 |
| ✉️ | 22336 MB/W33 | 22336 MBK/W33 | 180 | 380 | 126 | 2110 | 2420 | 1200 | 1500 | 71.5 |
| ✉️ | 23938 MB/W33 | 23938 MBK/W33 | 190 | 260 | 52 | 490 | 791 | 2200 | 2300 | 8.3 |
| ✉️ | 23038 MB/W33 | 23038 MBK/W33 | 190 | 290 | 75 | 931 | 1330 | 1700 | 2100 | 18 |
| ✉️ | 24038 MB/W33 | 24038 MBK30/W33 | 190 | 290 | 100 | 1186 | 1770 | 1300 | 1700 | 24.5 |
| ✉️ | 23138 MB/W33 | 23138 MBK/W33 | 190 | 320 | 104 | 1454 | 2060 | 1400 | 1800 | 35 |
| ✉️ | 24138 MB/W33 | 24138 MBK30/W33 | 190 | 320 | 128 | 1621 | 2470 | 1000 | 1300 | 43 |
| ✉️ | 22238 MB/W33 | 22238 MBK/W33 | 190 | 340 | 92 | 1320 | 1680 | 1500 | 2100 | 36.5 |
| ✉️ | 23238 MB/W33 | 23238 MBK/W33 | 190 | 340 | 120 | 1788 | 2359 | 1200 | 1600 | 48 |
| ✉️ | 22338 MB/W33 | 22338 MBK/W33 | 190 | 400 | 132 | 2267 | 2640 | 1100 | 1400 | 82.5 |