Product Description

Cores bearing factory

Deepgroove ball bearing are particularly versatile.They are simple in design,non-separable,suitable for high and even very high speeds and are robust in operation,requirying little maintenance.Deep raceway grooves and the close conformity between the raceway grooves and the ball enable deep groove ball bearings to accommodate axial loads in both directions,in addition to radial loads,even at high speeds,Single row deep groove ball bearings are the most widely used bearing type.
1.Low density. As the rolling body density decreases, high-speed operation of its centrifugal load is also reduced, which can work at higher speed.
2.Moderate elastic modulus. Elastic modulus is too large due to stress concentration and reduce the bearing capacity of the bushing.
3.Thermal expansion coefficient is small. Reduce the sensitivity to temperature changes, so that the bearing operating temperat.
4.High compressive strength. High compressive strength is the need for high stress for rolling bearings.
5.High hardness and high toughness. These 2 properties combine to achieve better surface roughness; and can prevent external par
6.Good anti-rolling contact fatigue and has a peel failure mode.
Special occasions should have high temperature, corrosion resistance and stability.
The ceramic material has low density, medium elastic modulus, thermal expansion coefficient is small, high hardness, high temperature, corrosion resistance, non-magnetic, etc., to silicon nitride ceramic ball for the rolling body of ceramic ball bearings can significantly improve the bearing contact fatigue life, Has greatly expanded the application of rolling bearings, has been widely used in a variety of high-precision, high-speed machine tools, automobiles, racing, subway, motor, aero engine, petrochemical machinery, metallurgical machinery and other fields.


Bearing No. Boundary Dimensions(mm) Basic Load Rating (KN) Weight
Open Shields Seals d D B Cr. Cor. (Kg)
6000 6000-Z 6000-2Z 6000-RS 6000-2RS 10 26 8 4.58 1.98 0.02
6001 6001-Z 6001-2Z 6001-RS 6001-2RS 12 28 8 5.1 2.36 0.02
6002 6002-Z 6002-2Z 6002-RS 6002-2RS 15 32 9 5.6 2.85 0.033
6003 6003-Z 6003-2Z 6003-RS 6003-2RS 17 35 10 6 3.25 0.04
6004 6004-Z 6004-2Z 6004-RS 6004-2RS 20 42 12 9.4 5 0.07
6005 6005-Z 6005-2Z 6005-RS 6005-2RS 25 47 12 10 5.85 0.083
6006 6006-Z 6006-2Z 6006-RS 6006-2RS 30 55 13 12.7 8 0.126
6007 6007-Z 6007-2Z 6007-RS 6007-2RS 35 62 14 16 10.2 0.163
6008 6008-Z 6008-2Z 6008-RS 6008-2RS 40 68 15 16.6 11.6 0.2
6009 6009-Z 6009-2Z 6009-RS 6009-2RS 45 75 16 20 14.3 0.253
6571 6571-Z 6571-2Z 6571-RS 6571-2RS 50 80 16 20.8 15.6 0.282
6011 6011-Z 6011-2Z 6011-RS 6011-2RS 55 90 18 28.5 21.2 0.409
6012 6012-Z 6012-2Z 6012-RS 6012-2RS 60 95 18 29 23.2 0.413
6013 6013-Z 6013-2Z 6013-RS 6013-2RS 65 100 18 30.5 25 0.464
6014 6014-Z 6014-2Z 6014-RS 6014-2RS 70 110 20 38 31 0.642
6015 6015-Z 6015-2Z 6015-RS 6015-2RS 75 115 20 39 33.5 0.676
6016 6016-Z 6016-2Z 6016-RS 6016-2RS 80 125 22 47.5 40 0.893
6201 6201-Z 6201-2Z 6201-RS 6201-2RS 12 32 10 6.8 3.05 0.039
6202 6202-Z 6202-2Z 6202-RS 6202-2RS 15 35 11 7.8 3.75 0.045
6203 6203-Z 6203-2Z 6203-RS 6203-2RS 17 40 12 9.58 4.78 0.064
6204 6204-Z 6204-2Z 6204-RS 6204-2RS 20 47 14 12.7 6.55 0.11
6205 6205-Z 6205-2Z 6205-RS 6205-2RS 25 52 15 14 7.8 0.133
6206 6206-Z 6206-2Z 6206-RS 6206-2RS 30 62 16 19.3 11.2 0.201
6207 6207-Z 6207-2Z 6207-RS 6207-2RS 35 72 17 25.5 15.3 0.299
6208 6208-Z 6208-2Z 6208-RS 6208-2RS 40 80 18 29 18 0.382
6209 6209-Z 6209-2Z 6209-RS 6209-2RS 45 85 19 31 20.4 0.407
6210 6210-Z 6210-2Z 6210-RS 6210-2RS 50 90 20 36.5 24 0.478
6211 6211-Z 6211-2Z 6211-RS 6211-2RS 55 100 21 43 29 0.632
6212 6212-Z 6212-2Z 6212-RS 6212-2RS 60 110 22 52 36 0.807
6213 6213-Z 6213-2Z 6213-RS 6213-2RS 65 120 23 60 41.5 1.03
6214 6214-Z 6214-2Z 6214-RS 6214-2RS 70 125 24 62 44 1.11
6215 6215-Z 6215-2Z 6215-RS 6215-2RS 75 130 25 66 49.5 1.7
6216 6216-Z 6216-2Z 6216-RS 6216-2RS 80 140 28 72.5 53 2.1
6217 6217-Z 6217-2Z 6217-RS 6217-2RS 85 150 28 84 62 2.1
6218   6218-2Z   6218-2RS 90 160 30 96.5 72 2.26
6219   6219-2Z   6219-2RS 95 170 32 108 81.5 2.79
6220   6220-2Z   6220-2RS 100 180 34 122 93 3.36
6221   6221-2Z   6221-2RS 105 190 36 133 105 3.99
6300 6300-Z 6300-2Z 6300-RS 6300-2RS 10 35 11 8.15 3.45 0.057
6301 6301-Z 6301-2Z 6301-RS 6301-2RS 12 37 12 9.65 4.15 0.064
6302 6302-Z 6302-2Z 6302-RS 6302-2RS 15 42 13 11.4 5.4 0.09
6303 6303-Z 6303-2Z 6303-RS 6303-2RS 17 47 14 13.4 6.55 0.117
6304 6304-Z 6304-2Z 6304-RS 6304-2RS 20 52 15 15.8 7.8 0.155
6305 6305-Z 6305-2Z 6305-RS 6305-2RS 25 62 17 22.4 11.4 0.24
6306 6306-Z 6306-2Z 6306-RS 6306-2RS 30 72 19 26.5 16.3 0.363
6307 6307-Z 6307-2Z 6307-RS 6307-2RS 35 80 21 33.5 19 0.481
6308 6308-Z 6308-2Z 6308-RS 6308-2RS 40 90 23 42.5 25 0.654
6309 6309-Z 6309-2Z 6309-RS 6309-2RS 45 100 25 53 31.5 0.869
6310 6310-Z 6310-2Z 6310-RS 6310-2RS 50 110 27 61.8 38 1.12
6311 6311-Z 6311-2Z 6311-RS 6311-2RS 55 120 29 71.5 47.5 1.43
6312 6312-Z 6312-2Z 6312-RS 6312-2RS 60 130 31 82 52 1.79
6313 6313-Z 6313-2Z 6313-RS 6313-2RS 65 140 33 92.5 59.5 2.08
6314 6314-Z 6314-2Z 6314-RS 6314-2RS 70 150 35 104 68 2.52
6315 6315-Z 6315-2Z 6315-RS 6315-2RS 75 160 37 113 77 3.02
6316 6316-Z 6316-2Z 6316-RS 6316-2RS 80 170 39 123 86.5 3.59

Searl Type: Zz Zrs Open
Application: Machinery
Precision: P0-P5
Feature: Long Life High Speed Low Price
Certification: SGS ISO9001
Inner Diameter: 3-360mm
US$ 0.5/Piece
1 Piece(Min.Order)

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What is a bushing?

What is a bushing? Basically, bushings are spherical or spherical bearings for machines with sliding or rotating shaft assemblies. Due to their excellent load-carrying capacity and anti-friction properties, these bushings are used in almost all industrial applications. This makes them useful in industries such as construction, mining, agriculture, transportation, hydropower, food processing and material handling.

Shell information

The demand for bushings is closely related to the global transformer market. Growing renewable energy sources and high replacement rates of aging grid infrastructure are driving the global demand for transformer bushings. Increased urbanization is another factor driving the demand for transformer bushings. Among global regions, Asia Pacific is the largest market for medium voltage transformer bushings. The following section provides a detailed analysis of the market.
Bulk-type bushings are used for lower voltage ratings and consist of a center conductor stud or tube and an insulator housing. They are available in dry or oil filled versions, and their oil content is shared with the transformer main tank. However, the trend is slowly turning towards RIP bushings. Regardless of how different types of bushings are used, it is important to understand the difference between them.
A recent CZPT survey indicated that bushings account for 17% of all transformer failures. Among them, 30% caused fire accidents and 10% caused explosions. This is not a small risk, especially for such important electrical components as transformers. Because casing is so important, utilities are increasingly looking to preventative maintenance. However, this requires continuous monitoring of the bushing and its insulation. There are many benefits to using online condition monitoring.
One of the main benefits of locating and replacing faulty bushings is improved operability and safety. If you notice that your car is unstable in the corners, your bushings are worn. Anti-roll bar bushings can also be a sign of bushing damage. Do not ignore these warning signs as they can have dangerous consequences. To avoid these potential problems, make sure to get your vehicle serviced as soon as you notice any of these symptoms.
Be sure to park your vehicle on a level surface before you start changing your car bushings. You may need to unlock the hood latch and apply the brakes before continuing. Then, open the valve cover. This will allow you to see the engine area and bushings. You should also check that the wheels are not moving and avoid placing sharp objects in the engine bay. If you have time, open the hood and if you can see the bushings, turn on the headlights.


There are various types of bushings, each serving a different purpose. Oil-filled types are the most common and are designed for vertical installations. On the other hand, the embedded ferrule can accommodate the connection to the wire leads in the lower end of the ferrule. This feature significantly reduces the length of the sump end of the casing, but also adds additional complexity and cost.
There are two basic types of bushings. The first is a solid pour and the second is a capacitive graded variety. Solid cast bushings are typically used for low voltage transformer windings, while gas insulated bushings are insulated with pressurized gas. Gas-insulated bushings are also used in SF6 circuit breakers. If you are in the market for a new bushing, be sure to consider its cantilever strength and design.
Electrical bushings are an important part of various electrical equipment. They help carry high-voltage current through the enclosure and act as an insulator between a live conductor and a metal body at ground potential. Bulk-type bushings consist of a central conductive rod (usually copper or aluminum) and an insulator (silicone rubber compound or composite resin) surrounding the rod.
Transformers require transformer bushings. The construction and materials used in the bushing play a key role in the durability and longevity of the transformer. Transformers with weak bushings can fail, causing extensive damage. Moisture or voids can cause insulation breakdown, resulting in extensive electrical damage. Appropriate materials and optimized construction can reduce electric field stress and extend the life of the bushing.
Capacitor grading bushings are more expensive and are used in almost all high voltage systems. They use a conductive layer within the insulating layer between the center conductor and the insulator. Different manufacturers use different materials to produce these bushings. Earlier, capacitor grading bushings were made of concentric ceramic cylinders with metallized surfaces. They are also made from laminated cardboard tubes with conductive layers.


A bushing is a support member that performs its function by acting as a washer and reducing noise and vibration. Bushings are used in valve covers and are made of corrosion-resistant materials to perform these functions. These products can be found in all types of machinery from cars to airplanes. Below are some common uses for bushings. Read on to discover more. Here are some of the most important features of the shell.
Electrical bushings transmit electricity. They can be used in circuit breakers, transformers, power capacitors and shunt reactors. The conductors of the bushing can be built directly into the bushing or through the bushing. Both current and voltage represent electricity. The bushing must have insulation capable of withstanding the voltage and its current-carrying conductors must be capable of carrying the rated current without overheating the adjacent insulation.
The bushing wraps around the stem, which is a relatively simple replacement part. It is a hardened part that prevents leaks and improves sealing. Plus, its low-cost replacement makes it a very easy-to-machine part. Bushings are also used in valves for guiding purposes. These two features make bushings an important part of many machines and applications. So, learn more about them.
Copper and brass are commonly used bushing materials. They have high compressive strength and high surface pressure. This material is suitable for bearings in low speed situations and heavy duty applications. Copper and brass are the most common types of casings, and they are both made in China. They are all relatively inexpensive and are available in a variety of materials and sizes. If you are considering purchasing a casing, keep in mind that it must meet national standards.


Whether you’re looking for a replacement bushing for your rear suspension or just need to replace the fork, you have a few different options. The two main types of bushings are coated and uncoated. If you want to save money on bushing replacements, you should consider getting a cheaper lower fork. Whether you’re replacing bushings to improve ride quality or prevent damage to your wheel loader, you’ll find a bushing replacement option that fits your budget.
While most cars are compatible with bushings, some iconic parts from premium brands like BMW and Mercedes require special tools to replace. If you are not confident in your mechanical abilities, consider hiring a mechanic to do it. Mechanical replacement bushings typically range from $200 to $500. If you’re comfortable with mechanics and have some mechanical knowledge, you can save money by trying the job yourself. For example, control arm bushings range in price from $20 to $80. It is important to check the alignment after replacing the bushing to avoid further damage.
Control arm bushing replacements are usually relatively inexpensive, but you may need to replace several at the same time. You should check the prices of several mechanics before making a decision. You can easily save between $50 and $100 by comparing quotes. Plus, you’ll save a lot of money by finding the right mechanic for the job. You can also use an online comparison tool to compare prices. You can find a mechanic that suits your needs at an affordable price.
Control arm bushings are also an inexpensive way to replace parts of a car’s front or rear suspension. Typically, control arm bushings are made of two metal cylinders covered with a thick layer of rubber. They wear out due to accidents, potholes and off-roading. They are mounted with a bolt that goes through the inner barrel. It is important to replace these bushings as often as needed to improve operation.

China supplier Guide Line Track Roller U V Slewing Wheel Hub Deep Groove Sliding Rolling Spherical Ball Bearing, Find Details About China Clutch, Auto Parts From Guide Line.   double row ball bearingChina supplier Guide Line Track Roller U V Slewing Wheel Hub Deep Groove Sliding Rolling Spherical Ball Bearing, Find Details About China Clutch, Auto Parts From Guide Line.   double row ball bearing
editor by CX 2023-05-17

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