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.


MB Series Self-Aligning Roller BearingsSelf-aligning roller bearings

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.
✉️ 21318 MB/W33 21318 MBK/W33 90 190 43 392 441 3300 4100 6.1
✉️ 22318 MB/W33 22318 MBK/W33 90 190 64 638 690 2400 3200 9.05
✉️ 22219 MB/W33 22219 MBK/W33 95 170 43 387 446 3200 4200 4.15
✉️ 21319 MB/W33 21319 MBK/W33 95 200 45 430 488 3100 4000 7.05
✉️ 22319 MB/W33 22319 MBK/W33 95 200 67 693 762 2400 2900 10.5
✉️ 24020 MB/W33 24020 MBK30/W33 100 150 50 290 408 2600 3500 3.15
✉️ 23120 MB/W33 23120 MBK/W33 100 165 52 391 483 2800 3400 4.55
✉️ 24120 MB/W33 24120 MBK30/W33 100 165 65 461 631 2200 2800 5.65
✉️ 22220 MB/W33 22220 MBK/W33 100 180 46 431 482 3100 4000 4.9
✉️ 23220 MB/W33 23220 MBK/W33 100 180 60.3 502 590 2200 3000 6.85
✉️ 21320 MB/W33 21320 MBK/W33 100 215 47 432 486 2700 3850 8.6
✉️ 22320 MB/W33 22320 MBK/W33 100 215 73 860 948 2200 2700 13.5
✉️ 23022 MB/W33 23022 MBK/W33 110 170 45 330 432 3100 3800 3.8
✉️ 24022 MB/W33 24022 MBK30/W33 110 170 60 439 619 2200 3100 5
✉️ 23122 MB/W33 23122 MBK/W33 110 180 56 452 578 2600 3200 5.75
✉️ 24122 MB/W33 24122 MBK30/W33 110 180 69 545 741 1800 2700 7.1
✉️ 22222 MB/W33 22222 MBK/W33 110 200 53 577 629 2800 3400 7
✉️ 23222 MB/W33 23222 MBK/W33 110 200 69.8 625 759 2000 2800 9.85
✉️ 22322 MB/W33 22322 MBK/W33 110 240 80 985 1100 1800 2500 18.5
✉️ 23024 MB/W33 23024 MBK/W33 120 180 46 366 508 3000 3500 4.2
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