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. | ||
| ✉️ | 23940 MB/W33 | 23940 MBK/W33 | 200 | 280 | 60 | 658 | 1020 | 2000 | 2100 | 11.5 |
| ✉️ | 23040 MB/W33 | 23040 MBK/W33 | 200 | 310 | 82 | 1058 | 1500 | 1600 | 1900 | 23.5 |
| ✉️ | 24040 MB/W33 | 24040 MBK/W33 | 200 | 310 | 109 | 1355 | 2090 | 1200 | 1700 | 31 |
| ✉️ | 23140 MB/W33 | 23140 MBK/W33 | 200 | 340 | 112 | 1679 | 2350 | 1400 | 1700 | 43 |
| ✉️ | 24140 MB/W33 | 24140 MBK30/W33 | 200 | 340 | 140 | 1896 | 2750 | 900 | 1200 | 53.5 |
| ✉️ | 22240 MB/W33 | 22240 MBK/W33 | 200 | 360 | 98 | 1505 | 1920 | 1500 | 1900 | 43.5 |
| ✉️ | 23240 MB/W33 | 23240 MBK/W33 | 200 | 360 | 128 | 1921 | 2690 | 1100 | 1500 | 58 |
| ✉️ | 22340 MB/W33 | 22340 MBK/W33 | 200 | 420 | 138 | 2450 | 2890 | 1100 | 1300 | 95 |
| ✉️ | 23944 MB/W33 | 23944 MBK/W33 | 220 | 300 | 60 | 664 | 1060 | 1800 | 1900 | 12.5 |
| ✉️ | 23044 MB/W33 | 23044 MBK/W33 | 220 | 340 | 90 | 1256 | 1830 | 1500 | 1700 | 30.5 |
| ✉️ | 24044 MB/W33 | 24044 MBK30/W33 | 220 | 340 | 118 | 1656 | 2560 | 1100 | 1500 | 40 |
| ✉️ | 23144 MB/W33 | 23144 MBK/W33 | 220 | 370 | 120 | 1879 | 2740 | 1200 | 1500 | 53.5 |
| ✉️ | 24144 MB/W33 | 24144 MBK30/W33 | 220 | 370 | 150 | 2159 | 3330 | 790 | 1050 | 67 |
| ✉️ | 22244 MB/W33 | 22244 MBK/W33 | 220 | 400 | 108 | 1813 | 2350 | 1400 | 1700 | 60.5 |
| ✉️ | 23244 MB/W33 | 23244 MBK/W33 | 220 | 400 | 144 | 2534 | 3420 | 1000 | 1300 | 81.5 |
| ✉️ | 22344 MB/W33 | 22344 MBK/W33 | 220 | 460 | 145 | 2834 | 3400 | 940 | 1200 | 120 |
| ✉️ | 23948 MB/W33 | 23948 MBK/W33 | 240 | 320 | 60 | 688 | 1182 | 1750 | 1800 | 13.5 |
| ✉️ | 23048 MB/W33 | 23048 MBK/W33 | 240 | 360 | 92 | 1321 | 2040 | 1400 | 1700 | 33.5 |
| ✉️ | 24048 MB/W33 | 24048 MBK30/W33 | 240 | 360 | 118 | 1665 | 2660 | 1000 | 1400 | 43 |
| ✉️ | 23148 MB/W33 | 23148 MBK/W33 | 240 | 400 | 128 | 2147 | 3180 | 1100 | 1400 | 66.5 |