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. | ||
| ✉️ | 23276 MB/W33 | 23276 MBK/W33 | 380 | 680 | 240 | 6168 | 9070 | 470 | 660 | 375 |
| ✉️ | 23980 MB/W33 | 23980 MBK/W33 | 400 | 540 | 106 | 1999 | 3890 | 1000 | 1080 | 71 |
| ✉️ | 23080 MB/W33 | 23080 MBK/W33 | 400 | 600 | 148 | 3360 | 5750 | 790 | 980 | 150 |
| ✉️ | 24080 MB/W33 | 24080 MBK30/W33 | 400 | 600 | 200 | 4423 | 7840 | 580 | 790 | 205 |
| ✉️ | 23180 MB/W33 | 23180 MBK/W33 | 400 | 650 | 200 | 4863 | 7500 | 480 | 830 | 265 |
| ✉️ | 24180 MB/W33 | 24180 MBK30/W33 | 400 | 650 | 250 | 6294 | 10390 | 310 | 450 | 340 |
| ✉️ | 23280 MB/W33 | 23280 MBK/W33 | 400 | 720 | 256 | 6958 | 10280 | 430 | 580 | 450 |
| ✉️ | 22380 MB/W33 | 22380 MBK/W33 | 400 | 820 | 243 | 7768 | 10380 | 400 | 660 | 650 |
| ✉️ | 23984 MB/W33 | 23984 MBK/W33 | 420 | 560 | 106 | 2046 | 4110 | 910 | 970 | 74.5 |
| ✉️ | 23084 MB/W33 | 23084 MBK/W33 | 420 | 620 | 150 | 3481 | 5960 | 540 | 940 | 155 |
| ✉️ | 24084 MB/W33 | 24084 MBK30/W33 | 420 | 620 | 200 | 4524 | 8190 | 470 | 770 | 210 |
| ✉️ | 23184 MB/W33 | 23184 MBK/W33 | 420 | 700 | 224 | 5911 | 9230 | 440 | 770 | 350 |
| ✉️ | 24184 MB/W33 | 24184 MBK30/W33 | 420 | 700 | 280 | 7433 | 12520 | 290 | 430 | 445 |
| ✉️ | 23284 MB/W33 | 23284 MBK/W33 | 420 | 760 | 272 | 7543 | 11510 | 410 | 540 | 535 |
| ✉️ | 23988 MB/W33 | 23988 MBK/W33 | 440 | 600 | 118 | 2475 | 4860 | 860 | 880 | 99.5 |
| ✉️ | 23088 MB/W33 | 23088 MBK/W33 | 440 | 650 | 157 | 3832 | 6540 | 510 | 900 | 180 |
| ✉️ | 24088 MB/W33 | 24088 MBK30/W33 | 440 | 650 | 212 | 4892 | 9090 | 450 | 740 | 245 |
| ✉️ | 23188 MB/W33 | 23188 MBK/W33 | 440 | 720 | 226 | 6201 | 9970 | 410 | 760 | 360 |
| ✉️ | 24188 MB/W33 | 24188 MBK30/W33 | 440 | 720 | 280 | 7816 | 13100 | 280 | 390 | 460 |
| ✉️ | 23288 MB/W33 | 23288 MBK/W33 | 440 | 790 | 280 | 8216 | 12380 | 390 | 520 | 590 |