Deep groove ball bearing
The most representative of the rolling bearing, widely used, can bear radial load and two-way axial load.Is suitable for high speed rotation and requiring low noise, low vibration zone plate dust cover or rubber sealing ring seal type bearing inner packing in advance the right amount of grease, outer ring snap ring or flange bearing, namely axial positioning, easy and convenient for the installation of the shell.The size of the largest duty bearing the same as the standard bearing, but the inner and outer circle have a filling slot, increase the count, raise the rated load.
Self-aligning ball bearing
Spherical roller bearing with two race between inner ring and groove for spherical outer ring, equipped with cylindrical roller bearing.On the surface of the outer ring raceway curvature center and bearing center consistent, so with automatic self-aligning ball bearing the same tone heart function.In there was a deflection axis, a hood, can automatically adjust load and two direction axial load.Large radial load capacity, suitable for heavy load and impact load.Inner circle diameter is tapered bore the bearing, it can be installed directly.Or the use of set cover, remove the cylinder installed on the cylinder axis.Keep rack stamping steel cage, polyamide forming keep frame and copper alloy car cage.
Needle roller bearing
Entity type needle roller bearings
There are the basic structure of the inner ring of bearing and NU type cylindrical roller bearings are the same, but due to the needle, the volume can be narrowed, and can withstand the big radial direction load without inner ring bearing has the right to the precision and hardness of the installation of the shaft surface used as raceway surface.
Thrust needle roller bearing
Tapered roller bearing
This kind of bearing with a frustum of a cone shape roller, roller guided by inner ring big guard.Design makes the inner ring and outer ring raceway surface of raceway surface, on the surface of the roller rolling each cone vertex intersection in the center of the bearing of the line.Single bearing can bear radial load and one-way axial load, double row bearings can bear radial load and axial load, two-way apply to under heavy load and impact load.
Cylindrical roller bearing
According to the number of columns with roller bearing, cylindrical roller bearing can be divided into single row, double row and column cylindrical roller bearing.Should use more of them has a single row cylindrical roller bearing cage.In addition, there is a single or double row full roller and other structure of cylindrical roller bearing.
Spherical roller bearings
In these bearings are of spherical raceway outer ring and double groove between the inner ring is equipped with spherical roller, according to the different internal structure, divided into R, RH, RHA and SR four types.Because of outer ring raceway arc center and bearing center consistent, with self-aligning performance, thus can be automatically adjusted because of the shaft or shell buckling or axis deviation caused by different heart.Can bear radial load and two-way axial load.Large radial load capacity, in particular, apply to under heavy load and impact load.Cone bearing by using fasteners or withdrawal can make on the axis of the installation. The spherical roller bearings can withstand larger radial load, at the same time also can absorb a certain amount of axial load.This kind of bearing outer ring raceway is spherical shape, so has a self-aligning performance, when the axial stress bending or leaning and make the center line of the center line of the inner ring and outer ring relative tilt is not more than 1 ° ~ 2.5 °, bearing can still work.
Thrust roller bearings
Thrust roller bearings include thrust spherical roller bearings, thrust cylindrical roller bearings, thrust taper roller bearings.Thrust spherical roller bearings can withstand the axial and radial load at the same time, but the radial load shall not exceed 55% of the axial load.This type of bearings from another important characteristic is with automatic self-aligning properties, thus make it not concentricity and deflection is not very sensitive.As long as the load P and P.No more than 0.05 C, and axial rotation, allows a range of bearing Angle.A small number of & # 20540;And the load increasing, while for large bearing allows self-aligning Angle will decrease.
Outside the spherical bearing
Outside the spherical bearing is suitable for the required equipment and parts of simple situation, such as used for agricultural machinery, transportation systems or on construction machinery.Is mainly used to bear radial direction load primarily radial and axial loads, and should not be commonly alone bear axial load, the bearing can be installed separately inner ring (with full set of roller and retainer) and outer ring.This kind of bearings are not allowed to have inclined shaft relative shell, under radial load appointment will generate additional axial force.This kind of bearing, the size of the axial clearance of the bearing can be normal working relationship is very big, when the axial clearance through the hours, temperature rise is higher;The larger axial clearance, the bearing is easy to damage.In installation and operation, it is important to pay special attention to the adjustment of bearing axial clearance and preloaded mounting can be made when necessary, to increase the bearing rigidity.
Joint bearing lubrication and self-lubrication. Joint bearing is a kind of special structure of the sliding bearing.Its structure than the rolling bearing is simple, it is mainly composed of one inside a spherical outer ring, can bear larger load, according to a spherical inner ring and its different types and structure, can bear radial load, axial load or the joint of the radial, axial load.Commonly used in the motion of the low speed movement (i.e., shape, Angle can be tilted movement in certain Angle range (that is, the heart movement), due to the sliding surface of spherical motion), the supporting shaft and shaft shell hole concentricity is bigger, can still work normally
Linear ball bearings mainly use straight line reciprocating movement of the parts in the mechanical equipment, has a small friction, movement, flexible and convenient replacement maintenance.It is widely used in textile machinery, printing machinery, pharmaceutical machinery, precision machine tools, electric cutting machine and automatic recorder, etc.
Angular contact bearings
Angular contact ball bearings, can bear radial load and axial load at the same time, also can with pure axial load, limit rotational speed is higher.This kind of bearing axial load capacity is determined by the contact Angle, contact Angle, under axial load capacity is high.