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Domestic Bearing Brand >> HRB Product List
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Self-aligning ball bearings
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Self-aligning ball bearings have cylindrical or tapered and retainers two kinds of structure, keep the frame made of steel sheet or synthetic resins. Its characteristic is outer ring groove is spherical shape, with the nature of mind, can automatically adjustable to compensate concentricity and deflection errors, but inside, outside shall not exceed 3 degrees relative gradient. Opposite Angle alignment error with adjustment ability. Also have sealed and need no longer lubrication design, suitable for the conditions without maintenance. Installed in tight set set and the automatic produce pillow housings SKF within self-aligning ball bearings can offer clients economic bearing configuration. 2.1 cylindrical holes self-aligning ball bearings (10000 model) 2.2 cone hole self-aligning ball bearings (1000K would type) set with tight of 2.3 self-aligning ball bearings (1000K would + H0000 type). Self-aligning ball bearing structure form have: take dust covers and with seals when deep groove ball bearing assembly already fill in the right amount of grease, before the installation, should not be heating also need not cleaning, use process need not lubrication and adapt to the operating temperature - 30 ℃ to + 120 ℃ between. Because of its with two columns roll a ball rolling in the surface and outer ring road, self-aligning ball bearings can automatically adjustable heart, and can withstand the shaft and the Angle between the bearing applies prone to error, the condition and the wrong torsion shaft. Its a cylindrical or tapered and retainers two kinds of structure, keep the frame made of steel sheet or synthetic resins. Self-aligning ball bearings rolling bearings friction is among the lowest of all, so even in high speed circumstance, still with only small temperature rise. Industry application: suitable for precision instruments, low noise machine, automobile, motorcycle and general machinery, etc, it is the most widely used in mechanical industry a kind of bearings.
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Angle contact ball bearing
Angle contact ball bearing can be both radial load and axial load. Can work under at higher speed. Contact Angle is, the greater the axial bearing capacity is higher. High precision and high-speed bearing usually take 15 degrees contact Angle. Under the action of the axial force, contact Angle increases. Single Angle contact ball bearing can only carry axial load in one direction, in radial load, will cause additional axial force. And only limit shaft or shell in a direction of the axial displacement. If quality.the installation, make a pair of bearings, namely the outer ring relatively wide wide end, narrow face the narrow end face. So we can avoid cause additional axial force in both directions, but also in the shaft or shell limit axial clearance range. Angle contact ball bearing outer ring inside the groove because there can be in a horizontal axis relative displacement, so can both radial load and axial load - union load (single Angle contact ball bearing single direction can only carry axial load, so usually paired often adopted installed). Maintains a material has brass, synthetic resins, the bearings form, in accordance with the using conditions and divisional. Angle contact ball bearing are: 7000C type (∝ = 15 °), 7000AC type (∝ = 25 °) and 7000B ∝ = 40 °) (several types. The bearing outer ring in the lock on the mouth, generally can‘t be separated from internal and external circle and can withstand radial and axial load and a combination of direction of the axial load. Axial load capacity by contact Angle, contact Angle decision is the ability of axial load high. The bearing can restrict shaft or shell in a direction of the axial displacement
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Tapered roller bearings
Taper roller bearings are used to bear to in radial direction load primarily radial and axial joint load. Their cups are separable, tapered roller bearings easy assembling. In the process of installation and use of axial clearance can be adjusted and preloaded mounting can be made. These bearings are separated type bearings, according to belong in the roller bearing the column number to be mounted, double row and four row circular cone roller bearings. Taper roller bearing clearance single user when installation should adjust; Double row and four row circular cone roller bearings clearance has the products leave the factory based on user requirements are given, not the user to resize.
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Deep groove ball bearings
Deep groove ball bearing is the most commonly used rolling bearings. Its simple structure and easy to use. Mainly used to bear radial load, but when increase bearing radial clearance, has certain Angle contact ball bearing performance, can withstand diameter, the axial union load. High in speed and unfavorable use thrust ball bearings, and it can also be used to withstand pure axial load. And the same size as compared with other types of bearings, such bearing small friction coefficient, extreme high speed. But don’t impact resistance, not suitable for under heavy load. Deep groove ball bearing installed in shaft, in bearing axial clearance can restrict, within the scope of the shaft or shell axial displacement two directions, so it can be axial orientation. Two-way In addition, these bearings are still has certain self-aligning ability, when compared with housing holes‘, ’tilt 2 and still ~ 10, but can work normally have certain influence to bearing life. Deep groove ball bearing maintains a more for stamping steel wave shape keep frame, large bearings used more car manufacturing metal entity keep frame. Deep groove ball bearing widely used in automobiles, tractors, machine tools, electric motors, pumps, agricultural machinery, textile, machinery, etc.
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Thrust ball bearings
Thrust ball bearings by a list of steel ball (with keep frame), a shaft circle (and shaft tight fit) and a seat ring (and shaft bearing hole with a gap and a tight fit) composition, steel ball on the shaft lap and seat ring between rotation. Can bear a direction of the axial load, cannot bear radial load. Due to the axial load is evenly distributed in each ball, so load capacity bigger; But work, larger, allowed temperature limit speed is low. Thrust ball bearings can limit the radial shaft or shell, but it can limit moving in the direction of axial and shell a axial movement, thus, such bearing usually and deep groove ball bearing joint use. Thrust ball bearings is separated type bearings, according to its structure form into i.e.one-way thrust ball and two-way thrust ball bearings. I.e.one-way thrust ball bearings can withstand a direction of the axial load, two-way thrust ball bearings can withstand the two directions of the axial load. They are unable to bear radial load. Thrust ball bearing and insert pads structure, due to the installation of seat cushion, so bearing angled spherical shape with self-aligning performance, can reduce the influence of installation error. Thrust ball bearings are used in automobile, machine tools, etc.
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Thrust roller bearings
Thrust roller bearings are used to carry axial load primarily axial and radial joint load, but shall not exceed the radial load 55% of axial load. Compared with other thrust roller bearings, such bearing friction factor is lower, speed is higher, and have self-aligning performance. 29,000 type bearings‘s stick for the unsymmetrical spherical roller, can reduce roller and groove in the work relative sliding, and roller long, large diameter, roller number, load capacity, high, usually by oil lubrication, individual low-speed grease circumstance is usable.
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Self-aligning roller bearings
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Self-aligning roller bearings in has two groove of the inner ring and outer ring rolling sphere of dao, between the fractal roller equipped with drums of bearings. Outer ring groove of curvature of the center and bearing center with consistent, so be automatic self-aligning ball bearing the same tone heart function. In the shaft, shell buckling, can appear be automatic adjustment, not increase bearing burden. Self-aligning roller bearings can bear radial load and two direction of the axial load. Radial load capacity, apply to a heavy load, impact load conditions. Inner circle of tapered bore diameter is installed, can be directly bearing. Or use tight set sets, remove pipe shall be fitted on cylinder shaft. Keep rack stamping steel cage, polyamide forming keep frame and copper alloy system maintains a car.
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Cylindrical roller bearing
Cylindrical roller bearing genera, separated type bearings and snuck. Cylindrical roller bearing be mounted, double row and four columns. According to the roller bearing outfit column number with different, cylindrical roler bearings can be divided into separate, double row and multicolumn cylindrical roller bearing. Among them are widely applied to keep the aircraft single cylindrical roller bearings. In addition, still with single or double row of other structures installed roller cylindrical roller bearing. According to single cylindrical roller bearing collar divided into raised edge of n-type, NU type, floatation type, NF type and NUP type, etc. Cylindrical roller bearing radial direction load capacity, according to the structure also raised edge collar we can withstand the one-way or two-way axial load. NN by type and NNU type double row cylindrical roller bearing compact structure, strong rigidity, load carrying capacity, distortion, mostly for spindle support. FC, FCDP type FCD, four row cylindrical roler bearings may withstand the big radial direction load, more for mill, etc. heavy machinery. Cylindrical roller bearing is mainly used in motor, machine tool, oil, mill loading/unloading machine and all kinds of industrial machinery.
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Spherical bearing outside
The component of the spherical surface bearing outer ring has spherical diameter of bearings, and the concave spherical inner hole bearing suitably, have, suitable for automatically adjustable cardiac function, flexibility larger rigid sent general axis. The bearing with seals at both closely, can prevent sewage invasion. In the factory apply already loaded into the lubricant, before the installation, do not need to clean. In allowing the lubrication period, without adding lubricant. Bearing inner circle the top side of the projection on the axle wire screws, allowed strong axial load not exceed 20% of the dynamic load.
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Stainless steel bearings
Stainless steel bearings are usually in salt and corrosive place, improve bearing the bearing capacity and heat transfer effect. Make bearing has good corrosion resistant function. Stainless steel bearing is widely used in food machinery (food processing machinery), YuLun (one-way bearing), shower room pulley (pocket stainless steel bearing), optical instrument, pumps, motor (motor), medical equipment, textile machines, printing machines, dustless workshop and direct contact with alkaline and acidic solution of the machinery. Can use underwater (called“underwater bearing”). Stainless steel bearing can organize the production batch sex, realized the high strength, high precision. Can use in easy rustily, strong corrosion all kinds of products, the use of extensive. Stainless steel and bearing steel, have stronger than the rust and corrosion resistence to chose lubricants, dust cover etc, can be in ℃ ~ + 60 ℃ under the environment of the 300 use.
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