Six installation considerations for full complement cylindrical roller bearings

Six installation precautions for full complement cylindrical roller bearings The installation of full complement cylindrical roller bearings simply affects the use of the back, so the installation of cylindrical roller bearings needs to be faced squarely. Why, what precautions should we pay attention to in the installation of cylindrical roller bearings? Below, we will introduce the 6 points of installation precautions for cylindrical roller bearings. Installation precautions: 1. Installation must be carried out in a dry and clean environment. The processing quality of each component should be carefully checked before installation. All mating continuous surfaces must be carefully rinsed and deburred, and unmachined surfaces of castings must be cleaned of sand. 2. Before installation, it should be cleaned with gasoline or kerosene, used after drying, and ensure good lubrication. The bearings are generally lubricated with grease, or oil can be used. 3. During installation, equal pressure must be exerted on the circumference of the end face of the ferrule, and the ferrule must be pressed in. Do not simply knock with the object to avoid damaging the bearing. 4. When the interference is small, press the end face of the bearing ring with a sleeve at room temperature, hit the sleeve with a hammer head, and press the ring evenly through the sleeve. If a large number of installations, hydraulic presses can be used. When pressing in, the end face of the outer ring and the end face of the shoulder of the outer casing should be ensured, and the end face of the inner ring and the end face of the shaft shoulder should be pressed tightly, and no gap is allowed. 5. When the amount of interference is large, oil bath heating or sensor heating bearing techniques can be used for installation. The heating temperature is limited to 80℃-100℃, and cannot exceed 120℃. At the same time, use nuts or other suitable techniques to fasten the bearing to prevent the bearing from compressing in the width direction after cooling and causing a gap between the ring and the shaft shoulder. 6. After installation, a torsion test should be carried out. First, it should be used to rotate the shaft or bearing box. If there is no abnormality, it should be run with power without load and at low speed, and then gradually increase the torsion speed and load according to the operating conditions, and check for noise, vibration and If the temperature rises and an abnormality is found, the operation should be stopped and checked. It can be entrusted to be used after running the test normally. By inquiring about the installation of cylindrical roller bearings, although it seems simple, it is not sloppy to do it at all. It is better to inquire about these precautions before installation, and not in remote use. Spend a lot of time on repairs.

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