Large Bore Cylindrical Roller Bearings: NU2234, NJ328, NU2238 Series & More Excellent Radial Load Capacity, Easy Installation & Long Working Life
These high-precision cylindrical roller bearings cover models 2224, 324 and 2324, manufactured from premium GCr15 bearing steel with strict heat treatment and precision grinding. Each roller is precisely arranged and guided to ensure stable rotation and even stress distribution. Adopting industrial-grade production standards, they provide reliable support for long-term continuous operation of mechanical equipment, and are widely trusted by global customers for their stable quality and cost-effective performance.
We also offer insulated cylindrical roller bearings and deep groove ball bearings, with insulation on either inner or outer ring to protect against electric corrosion.
- High precision and good rigidity, effectively reducing vibration and noise during operation
- Strong radial load capacity, suitable for heavy-duty and high-speed working conditions
- Excellent wear resistance and fatigue resistance, greatly extending service life
- Low friction coefficient, reducing energy consumption and improving operation efficiency
- Stable quality, interchangeable with international standard brands, easy to install and maintain
- Motors
- reducers
- Gearboxes
- Fans
- Pumps
- rolling mills
- Crushers
- agricultural machinery
- construction machinery
- conveyor equipment
| Bearings No. | d (mm) | D (mm) | B (mm) | Cr (kN) | C0r (kN) | Weight (kg) |
|---|---|---|---|---|---|---|
| NU 2234 ECMA | 170 | 310 | 86 | 1060 | 1430 | 30 |
| N 334 ECM | 170 | 360 | 72 | 952 | 1180 | 38.5 |
| NU 334 ECM | 170 | 360 | 72 | 952 | 1180 | 37.5 |
| NU 334 ECMA | 170 | 360 | 72 | 952 | 1180 | 37.5 |
| NU 334 M | 170 | 360 | 72 | 809 | 1040 | 38.5 |
| NJ 2334 ECMA | 170 | 360 | 120 | 1450 | 2040 | 63 |
| NU 2334 ECMA | 170 | 360 | 120 | 1450 | 2040 | 63 |
| NJ 2228 ECML | 180 | 280 | 46 | 336 | 475 | 10.5 |
| NU 2228 ECML | 180 | 280 | 46 | 336 | 475 | 10.5 |
| NUP 2228 ECML | 180 | 320 | 52 | 720 | 850 | 19.3 |
| NJ 328 ECJ | 180 | 320 | 52 | 720 | 850 | 19.1 |
| NJ 328 ECM | 180 | 320 | 52 | 720 | 850 | 21 |
| NJ 328 ECML | 180 | 320 | 86 | 1100 | 1430 | 32 |
| NU 2236 ECM | 180 | 320 | 86 | 1100 | 1430 | 31.5 |
| NU 2236 ECMA | 180 | 320 | 86 | 1100 | 1430 | 31.5 |
| NU 336 ECM | 180 | 380 | 75 | 1020 | 1290 | 45 |
| NU 2336 ECMA | 180 | 380 | 126 | 1610 | 2240 | 71.5 |
| NUP 436 MA | 180 | 440 | 95 | 1250 | 1600 | 80 |
| NJ 1938 ECML | 190 | 260 | 33 | 251 | 400 | 5.5 |
| NJ 238 ECM | 190 | 340 | 55 | 800 | 965 | 24.5 |
| NJ 238 ECMA | 190 | 340 | 55 | 800 | 965 | 24.5 |
| NU 238 ECM | 190 | 340 | 55 | 800 | 965 | 24 |
| NU 238 ECMA | 190 | 340 | 55 | 800 | 965 | 24 |
| NUP 238 ECM | 190 | 340 | 55 | 800 | 965 | 25 |
| NUP 238 ECMA | 190 | 340 | 55 | 800 | 965 | 25 |
| NU 2238 ECM | 190 | 340 | 92 | 1220 | 1600 | 39 |
| NU 2238 ECMA | 190 | 340 | 92 | 1220 | 1600 | 39 |
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