Deep Groove Ball Bearings
Most representative of the rolling bearing, widely used
Can bear radial load and bi-directional axial load
Requirements for high-speed rotation and low noise, low vibration occasions
Strip Shield or rubber O-ring sealed type bearing a pre-filled with the right amount of grease
The outer ring with snap ring or the flange bearing, that is easy to axial positioning, and easy to install inside the enclosure
Maximum load-type bearing the size of a standard bearing the same, but within the outer ring has a slot loading, an increase of the number of loading the ball to improve the rated load
Mainly used to maintain frame: steel stamping cage (wave, crown-shaped ... separate; S-shaped double row ...)
Copper alloy or phenolic resin retainer cut system, synthetic resin molding retainer
Main use: Automotive: rear, transmission, electrical equipment components
Electrical: General motors, household appliances
Others: instruments, internal combustion engines, construction machinery, rail vehicles, loading and unloading moving machinery, agricultural machinery, all kinds of industrial machinery
Angular contact Air Conditioner Bearings
Between the ferrule and the ball contact angle, the standard contact angle of 15 °, 30 ° and 40 °
The contact angle the greater the larger the axial load capacity
The smaller the contact angle is more conducive to high-speed rotation
Single row bearings can bear radial load and axial load of one-way
DB Portfolio, DF composition and double row bearings can bear radial load and bi-directional axial load
DT-way combination of axial load for a larger, a single bearing less than the rated load of the occasion
ACH-type high-speed with a small diameter ball bearings, ball a few more, mostly for machine tool spindle
Angular contact ball bearings for high-speed and high precision rotary
Structure for the back of the combination of two single row angular contact ball bearing inner ring and outer ring sharing, affordable, two-way radial load and axial load
Non-filling slot type bearings are also sealed
Mainly used to maintain frame: steel stamping cage (... a separate bowl; S-shaped, crown-shaped double row ...)
Copper alloy or phenolic resin retainer cut system, synthetic resin molding retainer
Main use: single row: machine tool spindle, high-frequency motors, gas turbine, centrifugal separator, small car front wheel, the differential pinion shaft
Pairs of columns: pump, Roots blower, air compressor, various types of transmission, fuel injection pumps, printing machinery
Four-point contact ball bearings
Can bear radial load and bi-directional axial load
Combination of single bearings can replace the front or back of the combination of angular contact ball bearings
Apply to bear the pure axial load or axial load component synthesis of a larger load
Suffer any type of bearing axial load direction can be formed in which a contact angle (α), so the total ring with the ball the line of contact at any one point of contact with duplicitous
Mainly used to maintain frame: copper alloy cutting system for cage
Main uses: aircraft jet engines, gas turbine
Self-aligning ball bearings
Spherical outer ring raceway due to appear before, with self-aligning properties, it can automatically adjust the shaft or housing deflection or a different axis errors caused by heart
Tapered bore bearings through the use of fasteners can be easily installed in the shaft
Steel stamping Cage: rosettes ... 12,13,22 ... 2RS, 23 ... 2RS
Kwai-shaped ... 22,23
Woodworking machinery, textile machinery shaft, vertical self-aligning bearing with a block
Cylindrical Roller Bearings
Cylindrical roller and the raceway was line of contact, the radial load capacity, which applies to withstand heavy load and shock load, also applies to high-speed rotation N type and NU type can be axial movement, able to adapt due to thermal expansion or installation errors caused by axis and the shell changes the relative position, the most adapted for the free end bearing NJ-type and NF type can withstand a certain degree of unidirectional axial load, NH-type and NUP type can withstand a certain degree of bi-directional axial load of the inner or outer ring detachable, easy to Assembly and Disassembly NNU type and NN-type anti-radial load rigidity strong, mostly for machine tool spindle
Mainly used to maintain frame: steel stamping cage (Z-shaped), copper alloy cutting system, cage, pin-type cage, synthetic resin molding retainer
Main use: medium and large motors, generators, internal combustion engines, gas turbine, machine tool spindles, deceleration devices, handling handling machinery, all kinds of industrial machinery
Entity-type needle roller bearings
The basic structure of a bearing inner ring and the NU type cylindrical roller bearings the same, but due to use of needle, the volume can be reduced, and can withstand large radial loads without bearing inner ring should have the appropriate accuracy and hardness of the shaft of the mounting surface as the raceway use
Mainly used to maintain frame: steel stamping cage
Main use: car engines, transmissions, pumps, crawler excavators wheel, hoist, bridge crane, compressor
Tapered Roller Bearings
Type of bearing is equipped with truncated cone-shaped roller, roller guided by the inner ring large rib
The design makes the inner raceway, outer raceway and the roller rolling surface of the apex of the conical surface intersect at a point bearing center line
Single row bearings can bear radial load and a one-way axial load, double row bearings can bear radial load and bi-directional axial load
Applies to withstand heavy load and impact load
Chest press contact (α) of the different divided into a small cone angle, the cone angle and large cone angle three kinds of type, the greater the contact angle the greater the axial load capacity
Outer and inner components (inner ring with roller and cage components) detachable, easy to Assembly and Disassembly
Post-secondary, code-named "J" or "JR" bearing with international interchangeability
More than the use of such bearings Inch series
Mainly used to maintain frame: steel stamping cage, synthetic resin forming cage, pin-type cage
Main use: Automotive: front, rear, transmission, differential pinion shaft. Machine tool spindle, construction machinery, large-scale agricultural machinery, railway vehicles, gear equipment, rolling mill roll neck and deceleration devices
Spherical Roller Bearings
Type of spherical bearings in the outer ring raceway and inner raceway fitted between pairs of spherical roller, according to the different internal structure, is divided into R, RH, RHA, and four kinds of patterns SR
As the outer ring raceway of circular arc center and bearing center line, with self-aligning properties, it can automatically adjust the shaft or housing deflection or a different axis errors caused by heart
Can bear radial load and bi-directional axial loads. In particular, the radial load capacity, suitable to withstand heavy load and impact load
Tapered bore bearings through the use of fasteners or a withdrawal sleeve allows the shaft of the Assembly and Disassembly
There are two kinds of tapered bore (taper):
1:30 (Auxiliary code: K30) ... ... for 240,241 Series
1:12 (Auxiliary code: K) ... ... ... apply to other series
The outer ring can be opened hole, tank and positioning pin holes (one). Inner ring on the opening hole and the fuel tank can also be
Mainly used to maintain frame: copper alloy cutting system, cage, steel stamping cage, pin-type cage, synthetic resin molding retainer
Main uses: papermaking machinery, deceleration devices, railway rolling stock axles, rolling mill gear box seat, rolling mill roller son, crushing machines, vibrating screen, printing machinery, woodworking machinery, all kinds of industrial reducer, vertical seat adjustment with a heart Bearing
Thrust Ball Bearings
From the raceway with the washer-shaped ring raceway and the ball and cage components
With the axis with the axis of the raceway ring called the ring, and the shell with a ring called the seat ring raceway. Two-way shaft bearing will be in the ring with the secret
One-way one-way bearings can withstand axial load, two-way bearings can bear bi-directional axial load (both can not bear radial load)
Mainly used to maintain frame: steel stamping cage, copper alloy or phenolic resin retainer cut system, synthetic resin molding retainer
Main use: vehicle steering pin, machine tool spindle
Thrust cylindrical roller bearings
By the washer-shaped raceway ring (shaft ring, seat ring) and the cylindrical roller and cage components. Cylindrical roller with convex process, so roller and the raceway uniform pressure distribution between the
Can withstand a one-way axial load
Axial load capacity, axial rigidity is also strong
Mainly used to maintain frame: copper alloy cutting system for cage
Main Uses: Oil drilling rig, iron steel, mechanical system,
Thrust needle roller bearings
Separate bearing raceway ring from the cage with the needle and the components can be processed with the stamping thin raceway ring (W) or thick-cut system for processing raceway ring (WS) any combination of the
Non-separable type bearings are processed by punching through the precision raceway ring and the needle roller and cage components of the overall bearing
A one-way axial load can withstand
Ball Bearings such a small footprint and compact design is conducive to mechanical
Mostly using only needle roller and cage assemblies, while the shaft and installation of the shell to use as a raceway
Mainly used to maintain frame: steel stamping to maintain, synthetic resin molding retainer
Main use: cars, cultivators, machine tools such as variable speed devices
Thrust Tapered Roller Bearings
Type of bearing is equipped with truncated cone-shaped roller (big-spherical), roller from the raceway ring (shaft ring, seat ring) Ribs and accurate guide
Design, allowing the shaft ring and seat ring raceway and the roller rolling surface of the apex of the conical surface intersect at a point bearing center line
One-way one-way bearings can withstand axial load, two-way two-way bearings can withstand axial load
Two-way shaft bearing will be in the circle and tie, but due to clearance fit, it is necessary to make the circle with the sleeve, etc. mainly used to maintain the axial positioning shelf: copper alloy cutting system for cage
Main use: one-way: crane hook, oil rig swivels
Two-way: rolling mill roll neck
Thrust Spherical Roller Bearings
Type of spherical roller bearings in the tilt order, due to appear before spherical seat ring raceway, with self-aligning properties, thus allowing a number of axis tilt
The axial load capacity is very large, the axial load while also subject to certain radial load
When used generally use oil lubrication
Mainly used to maintain frame: copper alloy cutting system for cage
Main use: hydroelectric power machines, vertical motors, the ship with the propeller shaft, rolling mill rolling screw with the reducer, tower cranes, coal-grinding machines, extrusion machines, forming machines
