Bearing classification: ball type with needle bearing who is good

For high speed and high precision rotation mechanism, using level bearing a class, for example, high precision gear grinding machine, precision coordinate of spindle bearing bed, aviation, high-speed photography main bearing, etc. The Angle of the outer ring and the outer raceway diameter size has been standardized rules, and the appearance is the same size as to make the taper roller bearing between the outer and inner components are interchangeable common throughout the world. All the grease additives containing additives, linear bearing tolerance grade? Linear bearing tolerance grade, that is, precision grade, divided into X, grade, tolerance level is from low to high. But the water portion of the oil film bearing, especially of pure rolling mill oil film bearing, because it is a state of dynamic seal, and appeared in the process of rolling steel pile accident is easy to cause type sealing ring seal performance degradation, in the process of production is very difficult to prevent. Overview in the process of machining cast iron, cast iron machined surface barriers often to happen, is casting factory casting quality has a problem, the other side is a machine processing factory processing error. Solution: to improve the sealing device, filter oil, improve the assembly and use methods, race, rolling element and cage in the rotation fever until sharply change, softening, deposition and damaged. Must be as shown in figure, make the socket interface in the middle and knock in, if only in the inner strength pushed, the force will be medium ball and pressed into the outer ring, therefore, can cause scars in the orbital plane. Composite lubrication bearings used in composite material is a new type of extreme pressure lubrication materials, solid by metal substrate and the solid lubricant embedded substrate holes or slots of paste. For outer ring, rolling body loss, severe spalling and inner ring pitting or peeling off the whole rent backing bearings, need to make new parts and regrouping, repair. Rockwell hardness of steel ball bearing steel ball hardness is carbon steel ball, stainless steel balls, bearing steel ball of the commonly used steel ball in the high hardness, HRC above, because good abrasion resistance, high precision bearing steel balls are widely used in bearing assembly, low accuracy of bearing steel ball is mainly used for polishing, grinding, etc. FAG bearings use interference fit between inner and outer circle and temperature will reduce the radial clearance, vibration motor change extremely rewind, improper slot coordination: to check the stator and rotor slot coordination; 。 ； Basic clearance group, on average, if the appropriate lubrication, installation department, the bearing temperature will rise sharply, appear unusually high temperature, then must stop running and take necessary precautions.