NSK bearing installation method.

Writer: Eric Bearing Limited

  NSK bearings necessary installation in a dry, clean environment premise. Before installation should carefully check the shaft and the shell with the cooperation of surface, convex shoulder of end, grooves and connection of the surface processing quality. All connected with the surface must carefully remove burr, clean and TIMKEN bearing surface castings raw sand all necessary.

  Before installation should use first bearing gasoline or kerosene clean, dry after use, and provide good lubrication, TIMKEN bearing bearing grease lubrication, generally USES the oil lubrication. The grease lubrication, should choose without impurities, oxidation, rust and extreme pressure function better grease. Grease filling quantity for bearing and bearing capacity box of 30% to 60%, unfavorable and overmuch. Take sealing structure of the double row circular cone roller bearings and water pump shaft bearings has grease filling even good, the user can use directly, and not to do the washing.

  NSK bearings installation, bearing essential in the circumferential end rings on the equal pressure, will be forced into the collar, not use Lang top tool directly hit bearing ends, to avoid the damage of bearing. In a surplus quantity is small, can be in normal temperature pressure with the sleeve bearing rings threaded, live with Lang head, through the sleeve will beat sleeve balanced pressure into the collar. If large quantities of installation, can be made hydraulic press. Pressure fashionable, should guarantee outer shell with a shoulder end face and inner circle with a shoulder end face of axial pressure, do not allow to have clearance.

  When interference in large quantities, can use oil bath heating or sensors heating method to install NSK bearings, bearing heating temperature range for 80 ℃ 100 ℃, the highest should not exceed 120 ℃. At the same time, the application of the nut or other appropriate methods to tighten bearing, in order to prevent the bearings after cooling width to shrink and rings and shaft shoulder produce clearance.

  Single circular cone roller bearings installation clearance shall be carried out to the adjustment. Clearance value should be based on the different operating conditions and the interference with the quantity and detailed sure. When necessary, shall be tested to determine. Double row circular cone roller bearings and water pump shaft bearing factory in even has adjust good clearance, when installation, don't have to adjust.

  Bearings shall be installed on rotation experiment first used in the axis, or bearing box, TIMKEN bearing if no abnormal, and to power without load, speed, and then depending on the workings of the rotating speed and load progress step by step, and testing noise, vibration and abnormal temperature rise, should be run and check the rest. Running test normal rear can put to use

  On the principle of TIMKEN bearing is known to us all, but after dismantling the bearing to inherit when using, should choose proper remove tool. Remove interference fitted rings, will only add in the tension on the collar, not promised to move through the body transfer remove force, or move body and groove will be crushed.