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.
✉️ 29330M 150 250 60 1020 2900 1400 2750 10.5
✉️ 29430M 150 300 90 2000 5300 1180 2290 27.2
✉️ 29232M 160 225 39 420 1720 1450 3000 4.7
✉️ 29332M 160 270 67 1220 3550 1320 2500 14
✉️ 29432M 160 320 95 2240 6000 1090 2120 32.1
✉️ 29234M 170 240 42 470 1940 1390 2800 5.8
✉️ 29334M 170 280 67 1230 3500 1260 2390 14.2
✉️ 29434M 170 340 103 2550 6900 1020 1990 39.6
✉️ 29236M 180 250 42 485 2070 1350 2650 6.1
✉️ 29336M 180 300 73 1460 4300 1170 2240 18.4
✉️ 29436M 180 360 109 2850 7700 940 1860 47.6
✉️ 29238M 190 270 48 600 2500 1300 2440 8.5
✉️ 29338M 190 320 78 1680 4850 1090 2070 22.3
✉️ 29438M 190 380 115 3100 8500 910 1750 54.6
✉️ 29240M 200 280 48 650 2650 1280 2340 9
✉️ 29340M 200 340 85 1900 5600 1030 1940 27.3
✉️ 29440M 200 400 122 3450 9500 860 1660 63.7
✉️ 29244M 220 300 48 690 3000 1160 2170 9.8
✉️ 29344M 220 360 85 1990 6200 950 1820 30.6
✉️ 29444M 220 420 122 3500 10000 790 1560 69
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