Spherical Roller Bearings

PMK Spherical Roller Bearings are self-aligning double-row bearings capable of carrying high radial and moderate axial loads, even under misalignment or shaft deflection. They are ideal for applications where operating conditions involve vibration, impact, or shaft bending.
These bearings combine robustness, high load capacity, and smooth performance, making them suitable for continuous heavy-duty operations.
Key benefits
- Self-aligning design compensates for shaft or housing misalignment.
- Extremely high radial load capacity and moderate axial load support.
- Robust construction for shock and vibration resistance.
- Suitable for high-speed and high-temperature environments.
- Long service life with advanced cage and lubrication design.
Applications
- Mining, cement, and steel plants.
- Vibrating screens, crushers, and conveyor systems.
- Gearboxes, fans, and industrial drives.
- Heavy machinery and marine equipment.
Specifications

| Boundary Dimensions (mm) | Basic Load Ratings (kN) | Designations | Mass (kg) | Limiting Speeds (r/min) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | rmin | Cr | Cor | Current | Original | Grease | Oil | |
| 150 | 225 | 56 | 2.1 | 338 | 768 | 23030 | 3003130 | 8.91 | 1700 | 2200 |
| 225 | 56 | 2.1 | 338 | 768 | 23030/W33 | 3003130Y | 8.85 | 1700 | 2200 | |
| 225 | 75 | 2.1 | 564 | 1040 | 24030CC/W33 | - | 10.5 | 1300 | 1700 | |
| 250 | 100 | 2.1 | 890 | 1600 | 24130C | 4053730 | 20.4 | 1000 | 1400 | |
| 250 | 100 | 2.1 | 890 | 1600 | 24130C/W33 | 4053730Y | 20 | 1000 | 1400 | |
| 270 | 73 | 3 | 738 | 1100 | 22230C | 53530 | 18.9 | 1600 | 2000 | |
| 270 | 96 | 3 | 935 | 1520 | 23230C/W33 | 3053230Y | 24.3 | 1100 | 1500 | |
| 320 | 108 | 4 | 1270 | 1850 | 22330CA/W33 | 53630HY | 41.7 | 1000 | 1400 | |
| 160 | 240 | 60 | 2.1 | 376 | 825 | 23032 | 3003132 | 13.5 | 1700 | 2200 |
| 240 | 60 | 2.1 | 376 | 825 | 23032/W33 | 3003132Y | 13.4 | 1700 | 2200 | |
| 240 | 80 | 2.1 | 652 | 1230 | 24032C | 4053132 | 12.9 | 1100 | 1500 | |
| 240 | 80 | 2.1 | 652 | 1230 | 24032C/W33 | 4053132Y | 12.8 | 1100 | 1500 | |
| 270 | 109 | 2.1 | 1040 | 1880 | 24132C | 4053732 | 25.4 | 950 | 1300 | |
| 270 | 109 | 2.1 | 1040 | 1880 | 24132C/W33 | 4053732Y | 25 | 950 | 1300 | |
| 290 | 80 | 3 | 658 | 1140 | 22232 | 3532 | 22.2 | 1500 | 1900 | |
| 290 | 80 | 3 | 658 | 1140 | 22232/W33 | 3532Y | 22.1 | 1500 | 1900 | |
| 340 | 114 | 4 | 1170 | 1730 | 22332/W33 | 3632Y | 49.9 | 950 | 1300 | |
| 170 | 260 | 67 | 2.1 | 450 | 1010 | 23034 | 3003134 | 14.7 | 1600 | 2000 |
| 260 | 67 | 2.1 | 450 | 1010 | 23034/W33 | 3003134Y | 14.6 | 1600 | 2000 | |
| 280 | 109 | 2.1 | 1070 | 1860 | 24134/W33 | - | 27 | 900 | 1200 | |
| 310 | 86 | 4 | 730 | 1300 | 22234 | 3534 | 27.6 | 1300 | 1700 | |
| 310 | 86 | 4 | 730 | 1300 | 22234/W33 | 3534Y | 27.2 | 1300 | 1700 | |
| 310 | 110 | 4 | 1160 | 1835 | 23234CA | 3053234H | 37.1 | 950 | 1300 | |
| 360 | 120 | 4 | 1200 | 2060 | 22334 | 3634 | 59.8 | 950 | 1300 | |
| 360 | 120 | 4 | 1200 | 2060 | 22334/W33 | 3634Y | 59.3 | 950 | 1300 | |
| 180 | 280 | 100 | 2.1 | 930 | 1820 | 24036 | 4003136 | 22.5 | 950 | 1300 |
| 280 | 100 | 2.1 | 930 | 1820 | 24036/W33 | 4003136Y | 22.3 | 950 | 1300 | |
| 300 | 96 | 3 | 695 | 1480 | 23136 | 3003736 | 27.1 | 1100 | 1500 | |
| 300 | 96 | 3 | 695 | 1480 | 23136/W33 | 3003736Y | 26.8 | 1100 | 1500 | |
| 300 | 96 | 3 | 695 | 1480 | 23136/C9 | 3003736U | 27.1 | 1100 | 1500 | |
| 300 | 96 | 3 | 695 | 1480 | 23136/W33YA2 | 3003736KY | 26.8 | 1100 | 1500 | |
| 300 | 96 | 3 | 695 | 1480 | 23136N | 3203736 | 26.4 | 1100 | 1500 | |
| 320 | 86 | 4 | 750 | 1370 | 22236 | 3536 | 28.6 | 1300 | 1700 | |
| 320 | 86 | 4 | 750 | 1370 | 22236/W33 | 3536Y | 28.3 | 1300 | 1700 | |
| 320 | 112 | 4 | 1280 | 2170 | 23236CA | 3053236H | 39.6 | 900 | 1200 | |
| 320 | 112 | 4 | 1280 | 2170 | 23236CA/W33 | 3053236HY | 39.5 | 900 | 1200 | |
| 320 | 112 | 4 | 1280 | 2170 | 23236CA/W33YA2 | 3053236HKY | 39.4 | 900 | 1200 | |
| 380 | 126 | 4 | 1430 | 2210 | 22336 | 3636 | 80.7 | 900 | 1200 | |
| 380 | 126 | 4 | 1430 | 2210 | 22336/W33 | 3636Y | 79.9 | 900 | 1200 | |
| 190 | 280 | 67 | 2.5 | 542 | 978 | 2638 | 3738 | 13.7 | 1000 | 1400 |
| 290 | 75 | 2.1 | 626 | 1230 | 23038 | 3003138 | 20.5 | 1300 | 1700 | |
| 290 | 75 | 2.1 | 626 | 1230 | 23038/W33 | 3003138Y | 20.3 | 1300 | 1700 | |
| 320 | 128 | 3 | 1200 | 2100 | 24138CA/W33 | - | 42 | 850 | 1100 | |
| 340 | 92 | 4 | 1070 | 1650 | 22238CA | 53538H | 36 | 1200 | 1600 | |
| 340 | 120 | 4 | 1410 | 2490 | 23238CA | 3053238H | 51 | 850 | 1100 | |
| 400 | 132 | 5 | 1400 | 2530 | 22338 | 3638 | 80.6 | 850 | 1100 | |
| 400 | 132 | 5 | 1400 | 2530 | 22338/W33 | 3638Y | 79.7 | 850 | 1100 | |
| 200 | 310 | 82 | 2.1 | 655 | 1310 | 23040 | 3003140 | 26.2 | 1200 | 1600 |
| 310 | 82 | 2.1 | 655 | 1310 | 23040/W33 | 3003140Y | 26 | 1200 | 1600 | |
| 310 | 109 | 2.1 | 1130 | 2120 | 24040CA/W33 | - | 30.5 | 900 | 1200 | |
| 340 | 112 | 3 | 930 | 2010 | 23140 | 3003740 | 50.9 | 950 | 1300 | |
| 340 | 112 | 3 | 930 | 2010 | 23140/W33 | 3003740Y | 50.5 | 950 | 1300 | |
| 340 | 140 | 3 | 1530 | 2950 | 24140C | 4053740 | 52 | 800 | 1000 | |
| 340 | 140 | 3 | 1530 | 2950 | 24140C/W33 | 4053740Y | 51.9 | 800 | 1000 | |
| 360 | 98 | 4 | 940 | 1740 | 22240 | 3540 | 44.7 | 1100 | 1500 | |
| 360 | 98 | 4 | 940 | 1740 | 22240/W33 | 3540Y | 44.2 | 1100 | 1500 | |
| 360 | 128 | 4 | 1610 | 2700 | 23240/W33 | 3003240Y | 56.5 | 850 | 1100 | |
| 420 | 138 | 5 | 1530 | 2720 | 22340 | 3640 | 95.3 | 850 | 1100 | |
| 420 | 138 | 5 | 1530 | 2720 | 22340/W33 | 3640Y | 95 | 850 | 1100 | |
| 220 | 320 | 76 | 3 | 758 | 1280 | 2644 | 3844 | 21.6 | 1000 | 1400 |
| 370 | 120 | 4 | 1050 | 2350 | 23144 | 3003744 | 54 | 900 | 1200 | |
| 370 | 120 | 4 | 1050 | 2350 | 23144/W33 | 3003744Y | 53.5 | 900 | 1200 | |
| 400 | 108 | 4 | 1200 | 2220 | 22244 | 3544 | 57.6 | 950 | 1300 | |
| 400 | 108 | 4 | 1200 | 2220 | 22244/W33 | 3544Y | 57.1 | 950 | 1300 | |
| 400 | 144 | 4 | 2070 | 3620 | 23244 | 3003244 | 94.6 | 750 | 950 | |
| 400 | 144 | 4 | 2070 | 3620 | 23244/W33 | 3003244Y | 94.2 | 750 | 950 | |
| 460 | 145 | 5 | 1700 | 3200 | 22344 | 3644 | 130 | 750 | 950 | |
| 460 | 145 | 5 | 1700 | 3200 | 22344/W33 | 3644Y | 129 | 750 | 950 | |
| 230 | 420 | 114 | 4 | 1600 | 2600 | 22246 | 3546 | 69.5 | 750 | 950 |
| 240 | 360 | 92 | 3 | 820 | 2060 | 23048 | 3003148 | 37.6 | 1000 | 1400 |
| 360 | 92 | 3 | 820 | 2060 | 23048/W33 | 3003148Y | 37.4 | 1000 | 1400 | |
| 360 | 118 | 3 | 1380 | 2700 | 24048CA/W33 | - | 41.7 | 800 | 1000 | |
| 400 | 128 | 4 | 1200 | 2850 | 23148 | 3003748 | 77.2 | 850 | 1100 | |
| 400 | 128 | 4 | 1200 | 2850 | 23148/W33 | 3003748Y | 75.2 | 850 | 1100 | |
| 400 | 160 | 4 | 2100 | 3980 | 24148/W33 | 4003748Y | 81.6 | 670 | 850 | |
| 440 | 120 | 4 | 1870 | 2890 | 22248 | 3548 | 85 | 900 | 1200 | |
| 440 | 160 | 4 | 2490 | 4490 | 23248 | 3003248 | 128 | 670 | 850 | |
| 440 | 160 | 4 | 2490 | 4490 | 23248/W33 | 3003248Y | 127 | 670 | 850 | |
| 500 | 155 | 5 | 1780 | 3250 | 22348 | 3648 | 154 | 670 | 850 | |
| 500 | 155 | 5 | 1780 | 3250 | 22348/W33 | 3648Y | 153 | 670 | 850 | |
* Specifications subject to change. Contact us for the latest datasheet and custom configurations.
* Refer Disclaimer policy for more details.
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