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  • What are the performance testing standards for heat treatment of linear ball bearings

    Linear ball bearings are used in a variety of mechanical equipment, and the conditions required for bearings are becoming increasingly stringent, and bearing performance is becoming increasingly diverse.In the selection of bearings, bearings tend to be considered, the grease life in aging, the fatigue life of the grease, wear resistance...
  • Introduction of Linear ball bearing

    Linear ball bearing is widely used in precision equipment such as electronic equipment, tensile testing machines and digital three-dimensional coordinate measuring equipment, as well as industrial machinery such as multi-axis machine tools, punching machines, tool grinding machines, automatic gas cutting machines, printers, card sorting ...
  • Thrust ball bearing type

    According to the force condition, the one-way thrust ball bearing and the two-way thrust ball bearing are divided. One-way thrust ball bearings can withstand one-way axial loads. The two-way thrust ball bearing can withstand two-way axial load, in which the shaft ring is matched with the shaft. The mounting surface of the seat is sphe...
  • What is the use of deep groove ball bearings

    Deep groove ball bearings work mainly with radial loads and can also withstand radial loads and axial loads. When it is only subjected to radial loads, the contact angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of an angular contact bearing and can withstand a large axial load. Th...
  • The coatings apply to the outside or inside

    Water and humidity are enemies of all bearing lubricants. Heat from running motors tends to evaporate moisture, but condensation can build up when motors are powered down. Condensation is impossible to prevent, but its harmful effects can be negated by the use of lubricants fortified with rust inhibitors. Users should frequently rotat...
  • Bearings need to pay attention to when installing

    The slewing bearing is a large-sized bearing with a special structure capable of simultaneously supporting a large axial load, a radial load, and an overturning moment, and a combination of functions such as support, rotation, transmission, and fixation. Therefore, in the installation of slewing bearings must do a good job of related in...
  • Excessive amounts raise friction and running temperature

    Before adding grease, however, be sure to check which grease is already in use and select either the same or a compatible type. Lubricant manufacturers can provide compatibility information. Most large electric motors contain a grease fitting and drain plug. A common practice is to pump new grease into the bearing through the appropri...
  • Operating speed influences operating temperature

    Flexible couplings help accommodate misalignment, but only to a point. For best alignment - regardless of coupler type - first secure the driven equipment, then install the coupling. Only after the coupling is attached to the equipment should the motor be aligned and secured.Of course, loads affect bearing life. The general ABMA ...
  • The calculation of loads on a single bearing

    In general, power output governs shaft size and bearing bore diameter. Of course, load magnitude and direction also determines bearing size and type. Designers sizing motor bearings should consider additional forces such as magnetic pull from unsymmetrical air gaps, out-of-balance forces, pitch errors in gears, and thrust loads.The ca...
  • A deep-groove ball bearing installed on

    Characteristic fluting caused by electric arcing. Bearings coated with a ceramic insulating material stop electric arcing (inset). Hybrid bearings that incorporate ceramic rolling elements stop arcing as well.Rolling-element bearings in electric motors support and locate the rotor, maintain a small and consistent air gap between the r...
  • Wheel bearing maintenance

    In the removal of the hub before, should be prepared to do the hub maintenance, the car parked and erected from the axle to ensure the safety of maintenance operations.(1) Remove the decorative cap and dust cover of the hub shaft;(2) Remove the tire nuts and tires, taking care not to bruise the thread of the tire bolts. In the case of...
  • Bearing clearance selection guide

    The radial (axial) play of a bearing is the radial (axial) movement of a ring relative to the other ring from a radial (axial) limit to an opposite extreme when no load is applied to the bearing, distance. In practice, due to the misalignment of the ferrules and the inconsistency of the rolling elements, it should take the average of th...
  • Wheel bearing inspection

    (1) when checking the tightness of hub bearing, we first set up the vehicle axle on the wheel hub of a car and wheel at one end, and set up the vehicle safely with the tools such as a car stool, a truck and so on.(2) rotate the checked wheels by hand to see if the rotation is stable, and whether there is abnormal noise. If the rotation i...
  • Overview of bearing cleaning methods

    The correct way to clean the bearings:1, the process of using imported bearings, regular cleaning is very important. How to properly clean imported bearings? First remove the inspection bearings, the first use of photography and other methods to make a good appearance record. Also, check the amount of lubricant remaining and sample th...
  • Maintenance of turntable bearings

    Turntable bearings installed and put into operation after 100 hours of continuous operation should be fully checked whether the preload torque of the mounting bolts to meet the requirements, after every 500 hours of continuous operation to repeat the inspection time. Turntable bearing installation should be filled with the appropriate a...
  • Bearing fretting abrasion

    The fretting abrasion of the bearing is caused by the reciprocating sliding of the small amplitude accompanied by the oxidation corrosion which occurs between the two contact bodies and often occurs between the raceway surface and the rolling body which are affected by the reciprocation or the vibration. Occurs between mating surfaces. ...
  • Turntable bearing installation

    Before installing the turntable bearing, it is necessary to inspect the mounting surface of the host to require that the supporting member should have sufficient strength, the connecting surface should be machined, and the surface should be smooth and free of debris and burrs. Can not be machined to achieve the required flatness, you ca...
  • Normal bearing wear failure

    Bearing in the total number of hours of operation or the total number of revolutions beyond the calculated life of the bearing, or wear over the wear and tear after the excessive wear and tear, normal wear and tear failure. Produced because: rolling bearings are accompanied by a slight movement of the sliding, the load also has some flu...
  • Normal fatigue failure of the bearing

    After the total number of operating hours or the total number of revolutions of the bearing exceeds the calculated life of the bearing, fatigue spalling occurs as normal fatigue failure. The reason for the normal failure is that the metal on the rolling surface starts to sprout fatigue cracks from the subsurface and cracks to the surfac...
  • Bearing instllation

    Bearings must be installed in a dry, clean environment. Care should be taken prior to installation to check the mating surfaces of the shaft and housing, the end faces of the shoulders, the quality of the grooves and connecting surfaces. All mating surfaces must be carefully cleaned and deburred, castings must be cleaned of virgin surf...