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.
✉️ 23228 MB/W33 23228 MBK/W33 140 250 88 964 1240 1500 2100 19
✉️ 22328 MB/W33 22328 MBK/W33 140 300 102 1434 1540 1500 1900 36.5
✉️ 23030 MB/W33 23030 MBK/W33 150 225 56 538 749 2200 2800 7.95
✉️ 24030 MB/W33 24030 MBK30/W33 150 225 75 682 1030 1600 2300 10.5
✉️ 23130 MB/W33 23130 MBK/W33 150 250 80 890 1190 1800 2300 16
✉️ 24130 MB/W33 24130 MBK30/W33 150 250 100 1036 1510 1300 1800 20
✉️ 22230 MB/W33 22230 MBK/W33 150 270 73 905 1070 2000 2600 18
✉️ 23230 MB/W33 23230 MBK/W33 150 270 96 1135 1457 1500 1900 24.5
✉️ 22330 MB/W33 22330 MBK/W33 150 320 108 1523 1740 1500 1800 43.5
✉️ 24932 MB/W33 160 220 60 413 840 1700 6.85
✉️ 23032 MB/W33 23032 MBK/W33 160 240 60 613 879 2200 2600 9.7
✉️ 24032 MB/W33 24032 MBK/W33 160 240 80 777 1180 1500 2100 13
✉️ 23132 MB/W33 23132 MBK/W33 160 270 86 1035 1360 1700 2100 20.5
✉️ 24132 MB/W33 24132 MBK30/W33 160 270 109 1229 1750 1200 1700 25
✉️ 22232 MB/W33 22232 MBK/W33 160 290 80 1048 1280 1800 2500 22.5
✉️ 23232 MB/W33 23232 MBK/W33 160 290 104 1263 1650 1400 1900 31
✉️ 22332 MB/W33 22332 MBK/W33 160 340 114 1694 1950 1400 1700 52
✉️ 23034 MB/W33 23034 MBK/W33 170 260 67 743 1040 2000 2400 13
✉️ 24034 MB/W33 24034 MBK30/W33 170 260 90 973 1440 1500 2100 17.5
✉️ 23134 MB/W33 23134 MBK/W33 170 280 88 1102 1490 1600 2100 22
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