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.
✉️ 238/1060 MB/W33 238/1060 MBK/W33 1060 1280 165 5638 14710 180 330 435
✉️ 248/1060 MB/W33 248/1060 MBK30/W33 1060 1280 218 6831 19840 180 340 570
✉️ 239/1060 MB/W33 239/1060 MBK/W33 1060 1400 250 11436 25720 160 320 1100
✉️ 249/1060 MB/W33 249/1060 MBK30/W33 1060 1400 335 13271 32330 150 240 1400
✉️ 230/1060 MB/W33 230/1060 MBK/W33 1060 1500 325 15898 33610 150 280 1840
✉️ 240/1060 MB/W33 240/1060 MBK30/W33 1060 1500 438 20759 45120 140 230 2520
✉️ 248/1120 MB/W33 248/1120 MBK30/W33 1120 1360 243 8357 23910 160 300 735
✉️ 249/1120 MB/W33 249/1120 MBK30/W33 1120 1460 335 13811 34240 130 230 1500
✉️ 240/1120 MB/W33 240/1120 MBK30/W33 1120 1580 462 22569 49160 120 210 2930
✉️ 238/1180 MB/W33 238/1180 MBK/W33 1180 1420 180 6851 18460 150 280 575
✉️ 248/1180 MB/W33 248/1180 MBK30/W33 1180 1420 243 8965 26560 150 280 770
✉️ 239/1180 MB/W33 239/1180 MBK/W33 1180 1540 272 13119 30970 140 270 1400
✉️ 249/1180 MB/W33 249/1180 MBK30/W33 1180 1540 355 15586 40280 120 210 1800
✉️ 240/1180 MB/W33 240/1180 MBK30/W33 1180 1660 475 25876 57900 120 190 3320
✉️ 230/1250 MB/W33 230/1250 MBK/W33 1250 1750 375 21125 44100 120 210 2840
✉️ 248/1320 MB/W33 248/1320 MBK30/W33 1320 1600 280 11276 33340 130 230 1160
✉️ 249/1320 MB/W33 249/1320 MBK30/W33 1320 1720 400 18889 48350 100 170 2500
✉️ 248/1500 MB/W33 248/1500 MBK30/W33 1500 1820 315 14757 44140 100 190 1710
✉️ 249/1500 MB/W33 249/1500 MBK30/W33 1500 1950 450 20889 62830 3550
✉️ 248/1800 MB/W33 248/1800 MBK30/W33 1800 2180 375 20274 62690 70 120 2900
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