The koyo bearing 3 large parts are disassembled

**How to Disassemble the Three Major Parts of a KOYO Bearing** When disassembling a KOYO bearing, it is essential to handle it with the same care as the equipment it is part of. Special attention must be given to avoid damaging the bearing and its components, especially when dealing with bearings that have an interference fit. This process can be quite challenging, so it's important to plan ahead and follow proper procedures. Before disassembling the outer ring of a bearing with an interference fit, place several outer ring loosening screws around the circumference of the housing. Tighten these screws evenly on one side while disassembling. Make sure to cover the screw holes with plugs to prevent any damage. For tapered roller bearings or other types of separate bearings, make a few cuts on the outer race shoulder and use blocks or a press to remove the bearing, or even a hammer if necessary. For cylindrical bore bearings, the inner ring can be removed using a hydraulic press, which is the simplest method. Ensure that the inner ring receives the pulling force during this process. For larger bearings, the oil pressure method is often used. Oil is injected into the shaft’s oil hole to help loosen the bearing for removal. Bearings with a large width may be removed using a hydraulic clamp for better control. For NU-type or NJ-type cylindrical roller bearings, the induction heating method is effective. Heat the inner ring briefly to expand it slightly, making it easier to pull out. This method is both efficient and minimizes the risk of damage. When disassembling a conical bore bearing, the inner ring should be supported by a block fastened to the shaft. Turn the nut back a few times and then strike the block with a hammer to loosen the bearing. For larger KOYO bearings, using oil pressure is becoming increasingly common. Apply oil pressure to the oil hole on the cone-shaped shaft to cause the inner ring to expand and allow for easy removal. If possible, it’s best to use a nut as a block during this process. It’s also important to follow the correct disassembly procedure for any brand of bearing. This helps reduce the risk of damage and ensures a smoother reassembly process. Whether you are working with KOYO bearings or another brand, understanding the right techniques for disassembly is crucial. Always refer to the manufacturer’s guidelines and use the appropriate tools to maintain the integrity of the bearing and the equipment it supports. If you found this information helpful, feel free to share it with others who might benefit from it. Stay informed about bearing technology and maintenance practices to ensure optimal performance and longevity of your machinery. **Related Bearing Knowledge:** - Differences between bearings with dust covers and those with seals - Causes of motor bearing corrosion and how to prevent it - Reasons for INA bearing failure and solutions - Oscillation cracking in KOYO bearing operation This article was originally published on China Bearing Network. Please visit [China Bearing Network](http://www.chinabearing.net) for more detailed information. Previous: NTN Bearing Brand Analysis Next: Repair Methods for Static Bearings in Imported Grinding Machines

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