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.
✉️ 23868 MB/W33 340 420 60 699 1759 740 18.5
✉️ 23968 MB/W33 23968 MBK/W33 340 460 90 1485 2773 1200 1200 45.5
✉️ 23068 MB/W33 23068 MBK/W33 340 520 133 2813 4480 910 1110 105
✉️ 24068 MB/W33 24068 MBK30/W33 340 520 180 3559 6160 700 950 140
✉️ 23168 MB/W33 23168 MBK/W33 340 580 190 4368 6670 740 860 210
✉️ 24168 MB/W33 24168 MBK30/W33 340 580 243 5509 8540 400 540 280
✉️ 23268 MB/W33 23268 MBK/W33 340 620 224 5341 7720 500 690 295
✉️ 23872 MB/W33 23872 MBK/W33 360 440 60 701 1866 20
✉️ 23972 MB/W33 23972 MBK/W33 360 480 90 1470 2710 1100 1160 46
✉️ 23072 MB/W33 23072 MBK/W33 360 540 134 2827 4790 890 1040 110
✉️ 24072 MB/W33 24072 MBK30/W33 360 540 180 3757 6430 640 860 145
✉️ 23172 MB/W33 23172 MBK/W33 360 600 192 4511 6920 690 860 220
✉️ 24172 MB/W33 24172 MBK30/W33 360 600 243 5828 9290 366 530 280
✉️ 22272 MB/W33 22272 MBK/W33 360 650 170 4442 6080 580 760 255
✉️ 23272 MB/W33 23272 MBK/W33 360 650 232 5694 8250 470 640 335
✉️ 23976 MB/W33 23976 MBK/W33 380 520 106 1990 3790 1000 1050 69
✉️ 23076 MB/W33 23076 MBK/W33 380 560 135 2888 4920 840 1040 115
✉️ 24076 MB/W33 24076 MBK30/W33 380 560 180 3758 6680 600 810 150
✉️ 23176 MB/W33 23176 MBK/W33 380 620 194 4509 7000 520 850 230
✉️ 24176 MB/W33 24176 MBK30/W33 380 620 243 5854 9730 330 470 300
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