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Domestic Bearing Brand >> ZWZ Product List
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Double row cylindrical roller bearing
Double row cylindrical roller bearing more commonly used for the thin-walled bearing spindle, steel rolling machine rolling and printing machinery roller, etc. For spindle, use more inner ring bearings with tapered bore install it in cone shaft, through the inner circle of pushing volume adjustment radial clearance. 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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Self-aligning roller bearings
心滾子軸承.jpg)
Self-aligning roller bearings may withstand the big radial direction load, also can withstand the axial load. Such bearing outer ring groove is spherical shape, it has self-aligning performance, when the shaft bending stress and tilt centerline and outer ring that inner circle centerline relative tilt does not exceed 1 ° ~ 2.5 °, the bearing can still work. Self-aligning roller bearings aperture has two cylindrical and cone. Conical taper of inner hole 1:1 2 or 1:30. In order to strengthen the lubrication performance, in bearing outer ring tanks and in processing the oil hole three uniform. Self-aligning roller bearings is designed to withstand heavy load and impact load, widely used in metallurgy, rolling mill, mine, petroleum, papermaking, cement, squeezed sugar, etc.
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Tapered roller 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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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 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 ball bearings
心球軸承.jpg)
Self-aligning ball bearing outer ring groove is spherical, have self-aligning performance, so can automatically adjust the buckling because of shaft or shell caused or different axis heart integrity. Product features: mainly bear radial load, and can withstand smaller axial load. Axis (shell) in the axial displacement limit clearance limit, with automatic self-aligning performance, allowed inside, outside the condition is relatively tilt normal work, suitable for bearing seat hole not strictly to assure concentric degrees in the parts. Self-aligning ball bearing outer ring groove processed into is spherical form, inner ring rolling way there are two deep groove ball bearings, the double row with self-aligning performance. Its main used to bear radial load, in radial load, but also can withstand a small amount of axial load, but generally cannot bear to pure axial load, its limit rotational speed is deep groove ball bearing is low. These bearings are used in more vulnerable to bend under load function on the double supporting shaft bearing seat, and double holes can‘t guarantee strict in parts of the coaxial tolerance of centerline and inner circle, but the relative gradient centerline invading.this shall not exceed 3 degrees.
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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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Thrust ball bearings
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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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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