Causes Of Early Wear Of KOYO Bearings

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Examples of KOYO bearing damage and its causes and countermeasures, please use them as data for inferring the cause of bearing damage. Damage status: When KOYO bearings are subjected to load and rotate, the raceway surface or rolling element surface of the inner ring and outer ring will show scales due to rolling fatigue Like peeling phenomenon. Original cause: too much load. Poor installation (non-linearity) moment load foreign matter intrusion and water ingress. Poor lubrication, improper lubricant, improper bearing clearance. The accuracy of the bearing box is not good, and the uneven rigidity of the KOYO bearing box has a large deflection caused by rust, corrosion points, scratches and pressure. Measures: Check the size of the load and re-study the KOYO bearing used to improve the installation method, improve the sealing device, and prevent rust during shutdown. Use lubricants of appropriate viscosity and improve lubrication methods. Check the accuracy of the shaft and bearing housing. Check the clearance.

Damage status: A dark surface with slight abrasion appears. There are many tiny cracks from the surface to the inside of the dark surface with a depth of 5-10m, and small peeling (micro-peeling) occurs in a large area. Reason: The lubricant is not suitable . Foreign matter has entered the lubricant. Poor lubricant causes rough surface. The surface finish of the mating rolling parts is not good. Measures: Choose a lubricant to improve the sealing device to improve the surface finish of the matched rolling parts

Damage status: The so-called seizure is the surface damage caused by the small burns on the part of the sliding surface. Linear flaws in the circumferential direction of the slideway and rolling surfaces. The cycloidal scar on the roller end surface is close to the jam on the collar surface of the roller end surface. Original cause: excessive load, excessive preload. Poor lubrication. Foreign body bites. Tilt of inner ring and outer ring, deflection of shaft. The accuracy of the shaft and KOYO bearing box is poor. Action: Check the size of the load. The preload should be appropriate. Improve lubricants and lubrication methods. Check the accuracy of the shaft and KOYO bearing box. Foreign body intrusion, development caused by rust and electric corrosion. Poor lubrication. The slipping measures caused by the irregular movement of the rolling elements: improve the sealing device. Clean the KOYO bearing box. Adequate filtering and lubrication \requirement is usually to clean the processing fluid and make the final anti-rust, usually 1-3 years. Therefore, the requirements for cleaning and rust prevention are higher. For customers who use spray equipment, the number of liquid storage tanks usually reaches 3 or more. Add low-foaming KOYO bearing cleaning agent in the cleaning tank according to the specified ratio, and add water-based rust inhibitor to the rinse tank for rinsing. After the above steps are completed, soak the product in anti-rust oil for anti-rust, and finally carry out anti-rust packaging. For customers who use ultrasonic equipment.