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. | ||
| ✉️ | 24148 MB/W33 | 24148 MBK30/W33 | 240 | 400 | 160 | 2440 | 3880 | 700 | 940 | 83 |
| ✉️ | 22248 MB/W33 | 22248 MBK/W33 | 240 | 440 | 120 | 2245 | 2940 | 1200 | 1600 | 83 |
| ✉️ | 23248 MB/W33 | 23248 MBK/W33 | 240 | 440 | 160 | 3033 | 4250 | 880 | 1140 | 110 |
| ✉️ | 22348 MB/W33 | 22348 MBK/W33 | 240 | 500 | 155 | 3194 | 3940 | 890 | 1140 | 155 |
| ✉️ | 23852 MB/W33 | 23852 MBK/W33 | 260 | 320 | 45 | 379 | 915 | 1200 | 8.05 | |
| ✉️ | 23952 MB/W33 | 23952 MBK/W33 | 260 | 360 | 75 | 1038 | 1790 | 1560 | 1700 | 23.5 |
| ✉️ | 24952 MB/W33 | 260 | 360 | 100 | 1122 | 2453 | 1200 | 32 | ||
| ✉️ | 23052 MB/W33 | 23052 MBK/W33 | 260 | 400 | 104 | 1682 | 2520 | 1200 | 1500 | 48.5 |
| ✉️ | 24052 MB/W33 | 24052 MBK30/W33 | 260 | 400 | 140 | 2165 | 3440 | 920 | 1200 | 65.5 |
| ✉️ | 23152 MB/W33 | 23152 MBK/W33 | 260 | 440 | 144 | 2521 | 3694 | 1000 | 1250 | 90.5 |
| ✉️ | 24152 MB/W33 | 24152 MBK30/W33 | 260 | 440 | 180 | 3076 | 4730 | 610 | 810 | 110 |
| ✉️ | 22252 MB/W33 | 22252 MBK/W33 | 260 | 480 | 130 | 2721 | 3520 | 1100 | 1420 | 110 |
| ✉️ | 23252 MB/W33 | 23252 MBK/W33 | 260 | 480 | 174 | 3407 | 4720 | 790 | 1029 | 140 |
| ✉️ | 22352 MB/W33 | 22352 MBK/W33 | 260 | 540 | 165 | 3610 | 4470 | 780 | 987 | 190 |
| ✉️ | 23856 MB/W33 | 23856 MBK/W33 | 280 | 350 | 52 | 515 | 1189 | 1100 | - | 12 |
| ✉️ | 23956 MB/W33 | 23956 MBK/W33 | 280 | 380 | 75 | 1022 | 1726 | 1430 | 1500 | 25 |
| ✉️ | 24956 MB/W33 | 280 | 380 | 100 | 1060 | 2455 | 1100 | 34.5 | ||
| ✉️ | 23056 MB/W33 | 23056 MBK/W33 | 280 | 420 | 106 | 1812 | 2820 | 1200 | 1400 | 52.5 |
| ✉️ | 24056 MB/W33 | 24056 MBK/W33 | 280 | 420 | 140 | 2234 | 3760 | 860 | 1250 | 69.5 |
| ✉️ | 23156 MB/W33 | 23156 MBK30/W33 | 280 | 460 | 146 | 2730 | 4208 | 900 | 1170 | 97 |