Since the cage pocket clearance and the clearance of the ferrule holder finished in NTN Bearing inevitable to exist, so the total elimination of cage sound very difficult Spherical roller bearings picture, but by reducing assembly error, preferably a reasonable gap and cage runout to improve. Another cage special sound is noisy due to the cage with the other parts of the guide NTN Bearing friction surface between the raised cage self-excited vibration occurs. Paired angular contact ball bearings can withstand greater radial load mainly radial, bearing the combined load roller bearings, he could be subject to pure radial loads. Series configuration can only bear axial load in one direction, the other two configurations can withstand axial load in either direction. This type of bearing is generally submitted by the manufacturer after matching pairs combination of user-aligning roller bearings sales agents, after installing preload interference, rings and balls in the axial pre-load condition, thereby enhancing the entire set of bearings as a single support bearing stiffness and rotation accuracy. Spherical Roller Bearings, 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.