China high precision industrial machinery bearing 7220 7220DB 7220DBGN 7220UCDBGNP4 100x180x68mm supplier

Type: BALL
Construction: Angular Speak to
Relevant Industries: Developing Materials Stores, Equipment Fix Shops, Meals & Beverage Manufacturing facility, Restaurant, Residence Use, Printing Outlets, Foods & Beverage Retailers, Promoting Company
Precision Score: P0, P6, P5, P4, P2
Seals Sort: open up Z,ZZ,RS,2RS, 110A6ST Electrical AC DC Servo Motor 750W 1000W 1600W Manufacturing unit Suppliers 2RZ
Quantity of Row: Solitary row
Manufacturer: as your request
Width: 34mm
Clearance: C0,C2,C3,C1,C4,C5
Substance: Chrome Metal Gcr15
Cage: steel / brass / nylon
Sample: Avaliable
Description of goods: angular speak to ball bearings 7220
Warranty: 1 12 months
Type of products: angular contact ball bearing
Packaging Information: wood containers,carton box and pallets,or as customer’s ask for
Port: ZheJiang , HangZhou , huangpu

higher precision industrial machinery bearing 7220 7220DB 7220DB/GN 7220UCDB/GNP4 100x180x68mm

Angular speak to ball bearings functions:

one) Load capacities are larger than deep groove ball bearings of exact same proportions
2) Utilised for bearing radial-axial merged masses or purFe thrust masses
3) Lower working friction and large restricting pace
Angular get in touch with bearing applications : electric motors, automotive applications, home appliances, industrial gear.

Angular Speak to Ball Bearings are categorised into 3 sub-classes:

1. One Row

They have 3 distinct make contact with angle classifications:

Contact Angle Image
Get in touch with Angle
thirty levels
40 levels
15 levels
25 degrees

2. Double Row

They have 2 diverse contact angle classifications:

Contact Angle Image
Make contact with Angle
20 levels
thirty levels

3. Mix Type

Usually, Single Row Angular Get in touch with Ball Bearings are utilized in blend of 2 or much more models. 3 various mixtures are obtainable:

Load Potential
Back again-to-again
Bi-directional axial
Bi-directional axial
Uni-directional axial

We can offer the following variants:

  • One Row 70xx, 72xx and 73xx sequence.
  • With A, YN70-2070JB25G10 110V load permissible with velocity reducer sixty rpm 3wires gear motor B, C and AC speak to angle.
  • Double Row varieties with ball slot (32xx and 33xx Collection) and without ball slot (52xx and 53xx collection) style.
  • Near kinds with rubber seal and protect style.
  • Common precision grade (ISO Quality P0 – ABEC1) and larger precision quality (ISO Quality P6 – ABEC3) employed in combination
  • Pressed steel, polyamide and brass cage.
  • Normal versions of angular contact ball bearings:

    Limiting Speed
    Limiting Speed

    Interior diameter
    Outer diameter
    Rated load
    Grease Oil
    Rated load
    Grease Oil

    Cr Cor
    Grease Oil
    Cr Cor
    Grease Oil
    6.4 3.8
    55000 84000
    6.3 3.7
    52000 79000
    7.2 4.five
    52000 79000
    6.9 4.3
    47000 69000
    nine.1 5.8
    47000 69000
    8.8 5.six
    42000 62000
    11.3 7.four
    39000 59000
    37000 55000
    forty seven
    13.1 9.six
    33000 49000
    twelve.6 9.2
    29000 44000
    29000 44000
    sixteen.1 12.5
    25000 39000
    sixty two
    23.4 eighteen.8
    23000 37000
    22.3 18.
    19000 33000
    seventy two
    25.8 22.9
    17000 29000
    24.5 21.nine
    16000 27000
    34.1 30.nine
    16000 27000
    32.5 29.5
    14000 23000
    forty five
    35.5 33.eight
    15000 25000
    33.8 32.three
    13000 21000
    43.3 forty.6
    14000 23000
    41.3 38.7
    13000 21000
    fifty five
    one hundred
    53.6 51.1
    13000 21000
    fifty one.1 48.8
    12000 19000

    Organization Info

    Creation and Test
    Bearing Good quality Examination


    Manufacturing line

    Bearing item line

    FAQQ:What’s your soon after-revenue service and warranty?A: We promise to bear the pursuing responsibility when faulty product is discovered:1.twelve months warranty from the first working day of obtaining goods2. Replacements would be sent with merchandise of your following order3. Refund for defective items if consumers call for.

    Q:Do you settle for ODM&OEM orders?A: Indeed, we give ODM&OEM services to throughout the world customers, we are CZPT to customise housings in different styles, and sizes in different makes, Bearing UCPA203 UCPA204 UCPA205 UCPA206 UCPA207 UCPA208 UCPA209 UCPA210 UCPA211 UCPA212 UCPA213 Ball Pillow Block Bearing we also customize circuit board & packaging box as for each your needs.

    Q:What is the MOQ?A: MOQ is 10pcs for standardized products for customized goods, MOQ need to be negotiated in advance. There is no MOQ for sample orders.

    Q:How long is the lead time?A: The guide time for sample orders is 3-5 days, for bulk orders is 5-fifteen days.
    Q:Do you offer cost-free samples?
    A: Sure we supply totally free samples to distributors and wholesalers, however buyers should bear freight.We DO NOT offer you free samples to finish customers.
    Q:How to location orders?A: 1. Electronic mail us the product, manufacturer and quantity, consignee details, shipping way and payment phrases 2. Proforma Bill created and despatched to you 3. Full Payment following confirming the PI 4. Affirm Payment and set up manufacturing.

    We are looking ahead to cooperate with you. For any inquiry, simply click “Send” Legitimate new in box GYS101DC2-T2A CZPT servo motor now!

    Choosing the Right Ball Bearing for Your Application

    When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.


    The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
    Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.


    The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
    Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.


    A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
    Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.


    Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
    The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.


    The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
    Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.


    Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
    Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.


    The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
    Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.


    Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
    The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
    Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.


    When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
    Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.

    China high precision industrial machinery bearing 7220 7220DB 7220DBGN 7220UCDBGNP4 100x180x68mm     supplierChina high precision industrial machinery bearing 7220 7220DB 7220DBGN 7220UCDBGNP4 100x180x68mm     supplier
    editor by czh 2023-02-18

    Thrust Ball Bearing

    As one of the leading thrust ball bearing manufacturers, suppliers, and exporters of mechanical products, We offer thrust ball bearing and many other products.

    Please get in touch with us for details.

    Manufacturer supplier exporter of the thrust ball bearing.

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