Rolling bearing is composed of what

Rolling bearing is running between the shaft and the shaft seat sliding friction into rolling friction, thereby reducing friction loss of a precision mechanical components. Rolling bearings generally consists of inner ring and outer ring, rolling body and keep the frame of four parts, the function of inner ring is match with shaft and shaft rotation; Outer ring is used to match the bearing seat, a support role; Rolling body is with the aid of maintains a uniform distribution of the rolling element between inner ring and outer ring, its shape size and quantity directly affects the using performance and life of rolling bearing; Maintains a uniform distribution can make the roller, prevent fall off, roller guide roller rotation lubrication. Generally consists of inner ring and outer ring, rolling body, cage, suffix is generally on the bearing belt accessories and special requirements, such as: N outer cylinder locking slot NR bearing outer ring has a locking groove and retaining ring N2 outer ring with two locating slot ( A 180 - degree) PP bearing ( Bearing roller bearing, CAM follower bearing) Two side contact bearing oil seal RS ( Needle roller bearing) Side with synthetic rubber or polyurethane contact seal - RS1 bearing side close steel synthetic rubber contact seal - 2 rs1 has ES1 oil seal and bearing two side RS bearing ( Needle roller bearing) On both sides of the RS seal - RZ bearing side close steel friction synthetic rubber oil seal - 2 RZ bearing on both sides of the RZ oil seal X 1. Two basic dimensions were revised in accordance with ISO standards. Bar rolling surface ( Bearing roller bearing, CAM follower bearing) - Z has bearing on one side of the dust cover ( The friction oil seal) - 2 Z bearing dust cover with Z - on both sides Zinc dust cover in the locking groove side - 2 zinc bearing on either side of the Z dust cover, outer ring has anti-rotation groove rolling bearing due to the different purposes and working conditions, the structure changes very much, but the basic structure is composed of inner ring and outer ring, rolling body ( Ball or roller) And keep the frame of four parts. ( 1) Inner ring ( Also known as inner sleeve or inner ring) 。 Usually fixed on the shaft neck, inner ring together with the axis rotation. On inner ring surface for steel ball or roller rolling groove, called inside groove or inner raceway. ( 2) The outer ring ( Also known as the coat or outer ring) 。 Usually fixed on the bearing seat or on the shell of the machine, the effect of supporting roller. Has for steel ball or roller in the outer surface of the rolling groove, called inside groove or inner raceway. ( 3) Rolling body ( Ball or roller) 。 Each is equipped with a group or several groups of rolling element bearing, between inner ring and outer ring, rolling the heritability of the role. Roller is the load components, and its shape, size and quantity determines the capacity of axial load of each performance of high-speed operation. ( 4) Cage ( Also known as the retainer or isolator) 。 Rolling element bearing in the evenly separated from each other, make each roller rolling normally between inner ring and outer ring. In addition, the cage has the guide roller motion, improve internal bearing lubrication condition, and prevent rolling body falls off, and so on. In the thrust bearing, cooperate with axial ring is called shaft circle, cooperate with bearing or machine shell ring of the best-selling, shaft ring and seat generally referred to as the gasket. In addition to the above four parts, all kinds of different structure of the bearing and other parts matching. For example, rivets, dust cover, sealing ring, lock washer with, collar and sleeves, etc.