M‑type Thrust Self-Aligning Roller Bearings

The M-type thrust self-aligning roller bearings feature a turned solid brass cage structure, providing excellent overall rigidity. Combined with spherical drum rollers and precision-machined spherical raceways, they offer outstanding self-aligning capabilities. This design effectively compensates for shaft misalignment, installation misalignment, and deflection caused by equipment operation, thereby preventing premature failure due to stress concentration at the roller edges. These bearings are primarily designed to withstand extremely high axial loads while also accommodating partial radial loads. They perform exceptionally well under harsh operating conditions such as low speeds, heavy loads, severe shocks, high temperatures, and intense vibration. The brass cage offers excellent toughness, wear resistance, and heat resistance, making it resistant to deformation or fracture. It effectively ensures smooth roller operation, reduces friction loss and abnormal wear, and significantly enhances the bearing’s overall service life and operational reliability. Although its maximum operating speed is lower than that of the E-series with stamped steel cages, it offers significant advantages in load-carrying capacity, impact resistance, and structural stability. It is capable of withstanding the demanding conditions of prolonged continuous operation and is widely used in large industrial equipment requiring high axial load-carrying capacity and operational stability, such as vertical mills, heavy-duty cranes, metallurgical rolling mills, marine equipment, petroleum machinery, extruders, and heavy-duty mining equipment—all of which demand extremely high axial load-bearing capacity and operational stability. It serves as a critical core bearing component for withstanding heavy thrust loads under extreme operating conditions.


M‑type Thrust Self-Aligning Roller Bearings

Product Parameters

Inquiry Model Basic Dimensions (mm) Rated Load (kN) Limiting Speed (r/min) Weight
≈kg
model d D B C Dynamic C0 Static Ref. Lim.
✉️ 29248M 240 340 60 1010 4150 1060 1890 16.9
✉️ 29348M 240 380 85 2040 6500 880 1710 32.8
✉️ 29448M 240 440 122 3600 10500 740 1470 74.1
✉️ 29252M 260 360 60 1040 4550 970 1780 17.6
✉️ 29352M 260 420 95 2550 8300 790 1540 45.8
✉️ 29452M 260 480 132 4400 13200 660 1350 96.6
✉️ 29256M 280 380 60 1020 4700 900 1670 19
✉️ 29356M 280 440 95 2650 8800 740 1460 49.1
✉️ 29456M 280 520 145 5200 15800 600 1230 126
✉️ 29260M 300 420 73 1400 6200 830 1500 29.9
✉️ 29360M 300 480 109 3200 10500 680 1320 65.1
✉️ 29460M 300 540 145 5200 16200 570 1180 130
✉️ 29264M 320 440 73 1410 6500 780 1420 31.6
✉️ 29364M 320 500 109 3350 11000 650 1260 72.4
✉️ 29464M 320 580 155 6000 19100 530 1090 163
✉️ 29268M 340 460 73 1410 6600 740 1350 33.3
✉️ 29368M 340 540 122 3750 12600 600 1150 101
✉️ 29468M 340 620 170 7200 23100 475 1020 208
✉️ 29272M 360 500 85 1870 8500 690 1230 49
✉️ 29372M 360 560 122 3750 13000 570 1110 105
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