INA thrust tapered roller bearing fatigue failure effect to consider what factors - bearing knowledge

INA bearing fatigue failure is a failure surface form, main performance for fatigue crack initiation, expansion and fracture process, under the alternating load generated by the fault of the long-term effects of the metal. Sealed thrust tapered roller bearings using the special test of high quality lithium grease lubrication. This grease can withstand the high temperature of 120 degrees for a short period of time. If a stable working temperature of 70 degrees or higher, the standard of lithium grease will shorten the service life. In high temperature often is in abnormal situation. High temperature also harmful to the bearing lubricant. Sometimes the INA bearing overheating can be classified to the bearing lubricant. If the bearing temperature for a long time even the transfer of more than 125 ℃ lower thrust tapered roller bearing life. The causes of high temperature bearing include: lubrication inadequate or excessive lubrication, the lubricant. Contains impurities, heavy load, bearing damage, clearance, high friction and oil seal and so on. Should be considered when choosing INA bearing seal form, imported bearing lubricant type, the circumference of the sealing contact surface speed, bearing installation error and so on many factors. For sealing requirement is not high, high speed and axial thrust tapered roller bearing of error and slants big, can choose non-contact sealing device. For non-contact sealing device, if you want to enhance the sealing effect, can be added in non-contact seal centrifugal or stagnation pieces, using centrifugal force to control the discharge of the grease in order to achieve sealing effect. If bad work environment, has the potential of water infiltration, supporting parts can choose contact sealing device.