Raceway sound generated by the source that the ring after the natural vibration loads due. Since the elastic contact rings and rolling elements constituting the nonlinear vibration system. When lubrication or machining accuracy is not high and this will stimulate the natural vibration of the elastic characteristics related to the air then passes into noise. As we all know, even with the highest levels of contemporary manufacturing techniques bearing parts, small geometric errors in its work surface level presence will always be different, so that produce between raceway and rolling element minor fluctuations in the natural vibration excitation vibration system. Although it is inevitable, but can take high-precision machining parts work surface, the correct selection and precise NTN Bearing NTN Bearing make use of noise damping. If the use of far-infrared light bulbs, bulbs attention should be under the direction of roller bearings, so infrared radiation is not conducive to the human eye. This bulb can save. Lamp heating method is suitable for a small number of infrequently required; NTN Bearing want to heating of the occasion, but also for lighting bulbs usually spherical roller bearing pictures, in addition to not need any other equipment. Heating oil tank which is used widely in traditional heating methods Spherical roller bearings sales agents, from the bottom of the fuel tank is located at 50 ~ 70mm metal mesh, bearing placed online, use the hook to lift large NTN bearings. Spherical roller bearings picture, Long Yu (certified), roller bearings provided by the Dongguan City, Long-Bearing Machinery Co., Ltd. Dongguan City, Long-Bearing Machinery Co., Ltd. (long-yu.net) Dongguan, Guangdong, thrust roller bearings leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the Long-leadership with the staff warmly welcome all inquiries negotiations to create a better future Long Yu.