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.
✉️ 22312 MB/W33 22312 MBK/W33 60 130 46 326 333 3600 4700 3.1
✉️ 24013 MB/W33 24013 MBK/W33 65 100 35 137 172 4000 5600 0.95
✉️ 22213 MB/W33 22213 MBK/W33 65 120 31 195 213 4700 6100 1.55
✉️ 21313 MB/W33 21313 MBK/W33 65 140 33 239 267 3900 5200 2.55
✉️ 22313 MB/W33 22313 MBK/W33 65 140 48 361 353 3500 4300 3.75
✉️ 22214 MB/W33 22214 MBK/W33 70 125 31 212 226 4700 5900 1.55
✉️ 21314 MB/W33 21314 MBK/W33 70 150 35 291 321 3700 4800 3.1
✉️ 22314 MB/W33 22314 MBK/W33 70 150 51 419 427 3100 3900 4.55
✉️ 24015 MB/W33 24015 MBK30/W33 75 115 40 178 229 3500 4700 1.55
✉️ 22215 MB/W33 22215 MBK/W33 75 130 31 216 240 4500 5400 1.7
✉️ 21315 MB/W33 21315 MBK/W33 75 160 37 289 321 3700 5000 3.75
✉️ 22315 MB/W33 22315 MBK/W33 75 160 55 470 474 3000 3800 5.55
✉️ 22216 MB/W33 22216 MBK/W33 80 140 33 239 265 3900 5400 2.1
✉️ 21316 MB/W33 21316 MBK/W33 80 170 39 329 374 3400 4700 4.45
✉️ 22316 MB/W33 22316 MBK/W33 80 170 58 514 536 2700 3400 6.6
✉️ 22217 MB/W33 22217 MBK/W33 85 150 36 287 323 3600 5000 2.7
✉️ 21317 MB/W33 21317 MBK/W33 85 180 41 327 371 3500 4700 5.2
✉️ 22317 MB/W33 22317 MBK/W33 85 180 60 586 617 2600 3400 7.65
✉️ 22218 MB/W33 22218 MBK/W33 90 160 40 328 373 3500 4700 3.4
✉️ 23218 MB/W33 23218 MBK/W33 90 160 52.4 369 437 2500 3300 4.65
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