The following characteristics:. A grease lubrication roller bearings prone and difficult to produce oil lubrication. When more likely to have low quality grease. b. winter often occur. c. For only the role of radial loads and larger radial clearance is also easy to produce. d. will be generated within a specific range and bearing speed range of different sizes are also different. e. may also be a continuous sound may be intermittent sound. f. The often forced vibration excitation of second order outer ring, third bending natural vibration, so the issue of the noise. It is a considerable friction between the metal sliding violent scream tone spherical roller bearings price, although this time the bearing temperature is not high, but also without much influence on bearing life and grease life spherical roller bearings sales agents, does not affect rotation, but unpleasant sound disturbing, especially to withstand large radial load short cylindrical roller bearings often this noise, which is characterized by:. a prone bearing radial clearance is large. b. Normally appear in grease lubrication, oil lubrication is relatively rare. c. With the NTN bearing size decreases, and often occurs within a certain speed range. d. Winter often occur. e. Its appearance is irregular and unpredictable, and the amount of fat and filling and performance, installation operating conditions. This noise can reduce NTN Bearing radial clearance and the use of shallow outer raceway structure to prevent. Spherical Roller Bearings, Roller Bearings, provided by the Dongguan City, Long-Long-Bearing Machinery Co., Ltd. Dongguan City, Long-Bearing Machinery Co., Ltd. (long-yu.net) strong, credible, in Dongguan, Guangdong thrust roller bearings and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Long Yu and you hand into the brilliant, for a better future!