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.
✉️ 24156 MB/W33 24156 MBK30/W33 280 460 180 3125 5080 560 800 120
✉️ 22256 MB/W33 22256 MBK/W33 280 500 130 2844 3730 1000 1330 115
✉️ 23256 MB/W33 23256 MBK/W33 280 500 176 3453 4793 750 1057 150
✉️ 22356 MB/W33 22356 MBK/W33 280 580 175 4147 5130 730 970 235
✉️ 23860 MB/W33 23860 MBK/W33 300 380 60 512 1196 17
✉️ 23960 MB/W33 23960 MBK/W33 300 420 90 1400 2490 1300 1400 39.5
✉️ 23060 MB/W33 23060 MBK/W33 300 460 118 2192 3410 1100 1340 71.5
✉️ 24060 MB/W33 24060 MBK30/W33 300 460 160 2779 4710 790 1050 97
✉️ 23160 MB/W33 23160 MBK/W33 300 500 160 3108 4688 850 1040 125
✉️ 24160 MB/W33 24160 MBK30/W33 300 500 200 3825 6290 510 690 160
✉️ 22260 MB/W33 22260 MBK/W33 300 540 140 3228 4220 900 1200 135
✉️ 23260 MB/W33 23260 MBK/W33 300 540 192 4042 5810 700 850 190
✉️ 23864 MB/W33 23864 MBK/W33 320 400 60 661 1656 1200 - 17.5
✉️ 23964 MB/W33 23964 MBK/W33 320 440 90 1502 2723 1250 1300 42
✉️ 23064 MB/W33 23064 MBK/W33 320 480 121 2328 3740 1000 1260 78
✉️ 24064 MB/W33 24064 MBK30/W33 320 480 160 2920 5060 750 1080 100
✉️ 23164 MB/W33 23164 MBK/W33 320 540 176 3653 5504 790 960 165
✉️ 24164 MB/W33 24164 MBK30/W33 320 540 218 4443 7090 470 610 210
✉️ 22264 MB/W33 22264 MBK/W33 320 580 150 3782 4990 860 1160 175
✉️ 23264 MB/W33 23264 MBK/W33 320 580 208 4623 6690 630 850 240
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