RNU series cylindrical roller bearings are high-performance rolling bearings widely used in mechanical equipment and industrial applications. They are known for their superior load-bearing capacity and high rigidity and are particularly suitable for carrying radial loads and moderate axial loads. The design of this bearing adopts a multi-row roller structure, which can effectively reduce friction and wear, thereby improving operating efficiency and service life. RNU series bearings have larger inner and outer diameters for easy installation and maintenance, while their sealing design prevents dirt and moisture from intruding, ensuring the reliability of the bearings in harsh environments. In addition, this series of bearings are suitable for use in many industries such as motors, automobiles, metallurgy, and mining, and are an important part of achieving mechanical accuracy and stability.
Product parameters
Designation | Principal Dimensions(mm) | Basic Load Ratings(KN) | Limited Speed(rpm) | Weight | ||||
---|---|---|---|---|---|---|---|---|
Fw | D | B | Dynamic(Cr) | Static(Cor) | Grease | Oil | (kg) | |
RNU208E | 50 | 80 | 18 | 51.5 | 53 | 7000 | 9000 | 0.25 |
RNU209E | 55 | 85 | 19 | 58.5 | 63.8 | 6300 | 8000 | 0.41 |
RNU210E | 60.4 | 90 | 20 | 61.2 | 68.2 | 6000 | 7500 | 0.43 |
RNU212E | 73 | 110 | 22 | 89.8 | 102 | 5000 | 6300 | 0.78 |
RNU214E | 84.5 | 125 | 24 | 112 | 135 | 4300 | 5300 | 0.89 |
RNU218E | 107 | 160 | 30 | 172 | 215 | 3400 | 4300 | 2.07 |
RNU305E | 35 | 62 | 17 | 38.5 | 35.8 | 9000 | 12000 | 0.2 |
RNU306E | 42 | 72 | 19 | 49.2 | 48.2 | 8000 | 10000 | 0.32 |
RNU307E | 46.2 | 80 | 21 | 62 | 63.2 | 7000 | 9000 | 0.4 |
RNU308E | 53.5 | 90 | 23 | 76.8 | 77.8 | 6300 | 8000 | 0.48 |
RNU309E | 58.5 | 100 | 25 | 93 | 98 | 5600 | 7000 | 0.79 |
RNU310E | 65 | 110 | 27 | 105 | 112 | 5300 | 6700 | 1.01 |
RNU311E | 70.5 | 120 | 29 | 128 | 138 | 4800 | 6000 | 1.5 |
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