China ntn deep groove ball bearings 6201 6202 6203 6203 6204 6205 with nsk ntn koyo nachi iko bearing with Good quality

Type: BALL
Structure: Deep Groove
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Retail, Construction works , Energy & Mining
Bore Size: 2 – 2000 mm
Model Number: 6203
Precision Rating: P0
Seals Type: ZZ,2RS
Number of Row: Single row
Deep groove ball bearings: 6200
Certificate: ISO9001:2008
Clearance: CN/C2/C3/C4/C5
Vibration and Noise: Z1V1/Z2V2/Z3V3
Cage: Steel, Cooper, Nylon
Material: Chrome steel, Carbon steel
Seal ways: Open, ZZ, 2RS, DDU, ZZCM, LLU
Service: Original, OEM and ODM
Application: Conveyor, motor, samll machinery and so on
Main Market: America Europe Asia Middle
Packaging Details: Deep groove ball bearing series; 1.indutrial packaging:tube with CZPT CZPT CZPT bearing

Note: the manufacturer is different, bearing type (code) of the presentation will be different, such as 608 z = 608 zz = 608-2 z = R2280ZZ = MR608Z = RV822, etc., are the same size 8 * 22 * 7 (608 mm) metal bearing cover, please bearing size as the main basis when place an order.
If you need the free samples or our price list, pls contact us⇒
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Bearing level basically has: common class, motor, high-quality goods, different grade, the price is different also, please according to their own needs to selective purchase! For details, please contact me.
1. Regular grade: national standard level of basic P0.Dimension precision is less than + / – 0.05 mm, of less than 1000 RPM, is suitable for low speed, low demand of environment.Such as: low speed transmission devices, castor, buggies, toy car, etc.
2. Motor grade: P0Z2 above.Dimension precision is less than + / – 0.01 mm, feel is smooth, speed is less than 20000 RPM, low noise, long service life.Model is suitable for motor, toys, automobile, electric tools, pneumatic tools, telecommunications equipment, fitness equipment, sports equipment, etc.
3. The best grade: Dimension precision is less than + / – 0.005 mm, feel is smooth, speed is more than 20000 RPM, low noise, long service life.Suitable for high speed motor, high speed model, instruments and meters, there is a requirement for high precision equipment, high-end toys field.
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Bearing material basically has: iron, carbon steel, bearing steel, stainless steel, plastic, ceramic and other new materials.
1. The iron and steel material: hardness is low, product precision and poor stability, short service life.The quality is poor, our shop will not be selling.
2. The bearing steel is qualitative, also known as chrome steel, steel grades: GCr15 is the international special steel bearing industry standards.With AISL52100 (us), DIN100Cr6 (west), BS535A99 (UK) belong to the same steel, etc.With long life, high precision, low calorific value, recommend suite, high rigidity, low noise, high abrasion resistance and other characteristics.Widely used in high speed motors, auto industry, fitness equipment, instruments and meters, precision equipment and other fields.
3. The stainless steel material: the default is stainless steel 440 c (magnetic) material is bearing steel industry environmental protection standards, has the waterproof, rust and corrosion resistance, strong acid and alkali resistance, stability, free maintenance, long service life, not the characteristics of rust.Widely used in food machinery, medical equipment, instruments and meters, high-end products, high-grade fishing gear, the line wheel, high-end toys.Buyers, please do not use magnetic to judge the merits of the stainless steel bearing.Not rust is the absolute principle.
4. The non-magnetic stainless steel bearing 304: the alkali resistance is better than 440 c stainless steel material.But because the material properties, hardness is low, feel of its products and the quality is poorer, appearance is only suitable for low speed and low load, cannot be used in motor, generally do not do industrial rolling bearing using raw materials.
5. Plastic and ceramic and other material: mainly used in special areas such as insulation, non-magnetic, specific can refer to the store communication area.
Please buyer according to the actual need to choose a suitable bearing, if you have any question, please contact me directly.

Gearbox, motor,auto,reduction box,engine machinery,mining machinery,bicycles,etc.
1. High Revolving Speed for Deep Groove Ball Bearing
2. Long Working Life for Deep Groove Ball Bearing
3. Bearing Factory with Large Stock for Deep Groove Ball Bearing
4. Short Delivery Time for Deep Groove Ball Bearing
5. OEM & ODM Service Available for Deep Groove Ball Bearing
6. Prompt On-line Service for Deep Groove Ball Bearing
4.Quality&Services:We are manufacturing the first, the second and the third generation wheel hub bearing units, over 200 varieties. They are suitable for various famous cars e. G. for Nissan, for Audi,for Hyundai,for BMW,for Benz.Products process: Advanced producing equipment, inspection equipment and good control system to keep the product produce smoothly.Quality guaranty: Product quality assurance period is over year 2000 HangZhous.Superficial finish: Carefully work in the assembly line to confirm the products in perfect appearance. Products can also be manufactured according to drawings and samples with customers requirement. We sincerely welcome our friends to visit and negotiate business.Meanwhile, we are looking forward to finding long-term partners.We provide high quality product and excellent customer services.

5.6000 deep groove ball Bearing Related Bearing Catalogue

New Items Old Items Specifications(dxDxB) mm Weight/kg
6000 bearing 100 10x26x8 0.019
6001 bearing 101 12x28x8 0.571
6002 bearing 102 15x32x9 0.03
6003 bearing 103 17x35x10 0.036
6004 bearing 104 20x42x12 0.068
6005 bearing 105 25x47x12 0.078
6006 bearing 106 30x55x13 0.09
6007 bearing 107 35x62x14 0.16
6008 bearing 108 40x68x15 0.203
6009 bearing 109 45x75x16 0.24
6571 bearing 110 50x80x16 0.25
6011 bearing 111 55x90x18 0.362
6012 bearing 112 60x95x18 0.426
6013 bearing 113 65x100x18 0.428
6014 bearing 114 70x110x20 0.62
6015 bearing 115 75x115x20 0.63
6016 bearing 116 80x125x22 0.86
6017 bearing 117 85x130x22 0.935
6018 bearing 118 90x140x24 1.16
6019 bearing 119 95x145x24 1.14
6571 bearing 120 100x150x24 1.17

Types: Ball Bearing
– Single row deep groove ball bearings
– Single row deep groove ball bearings with filling slots
– Stainless steel deep groove ball bearings
– Double row deep groove ball bearings
– Hybrid deep groove ball bearings
– Deep groove ball bearings for high temperature applications

60 series 606,607,608,6000,6001,6002,6003,6004,6005,6006,6007,6008,6009,6571,6011,6012,
62 series 626,627,628,629,6200,6201,6202,6203,6204,6205,6206,6207,6208,6209,6210, 6211,
63 series 6300,6301,6302,6303,6304,6305,6306,6307,6308,6309,6310,6311,6312,6313,6314,
64 series 6405,6406,6407,6408,6409,6410,6411,6412,6413,6414,6415,6416,6417,6418,6419,
68 series 686,687,688,689,6800,6801,6802,6803,6804,6805,6806,6807,6808,6809.6810
69 series 696,697,698,699,6900,6901,6902,6903,6904,6905,6906,6907,6908,6909,6910
16001, 16002, 16003, 16005, 16007,16008,16009

Products name deep groove ball bearing
Brand name According to customers’ requirements
ID size 60 series sizes / 62 series sizes / 63 series sizes
Material Chrome Steel, Stainless Steel, GCr15, Carbon steel
Closures Open, metal Sealed, rubber sealed, Nylon sealed
Types Open,Z,ZZ,RS,2RS,RZ,2RZ.
For non standard bearing,there are many different types with various sizes for our clients and we can also design or develop customized products as per the samples or drawings provided by our clients.
Delivery date Normally ready goods and stock within 5-30days
Payment terms A:100% TT
B: 30% T/T in advance .70% against copy of B/L
C.30% T/T in advance .70% against L/C at sight
D.Western Union
E. Other payment terms
Application Motor, Machinery, Electric Tools, Sports Apparatus, office equipment , Scooter Aluminum windows , shower blocks, hanging round, closet wheel, toys, etc
Fan, car, truck, tractors and automatic machine,Textile machine, Pump,Agricultural machinery,Machine tool,window ,sliding door , other furniture and some toys
Package 1.polybag +box+carton
2.the users who have any requirement in packing may write them in the contract
( customized )

Understanding the Different Types of Bearings

When you are looking for a bearing, you have many options to choose from. This article will explain the various types, functions, and working principles of different types of bearings. Once you understand the basic components, you can make an informed decision about which one to buy. Here’s an overview of some of the most common types. Learn more about each type below! Read on to learn about the differences between these different types of bearings! Posted in Articles


Bearings serve as an integral part of a mechanical device. These devices help transfer torque from one part of a structure to another. These mechanisms increase the efficiency of a shaft by increasing its life. However, the functions of bearings depend on the application of the structure. Among other functions, bearings provide support to shafts. Anti-friction bearings come in two types: ball and roller bearings. These components have line and point contact, which is the most common type. Archimedes’s principle states that the force is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary functions. The first is to prevent direct metal-to-metal contact. A bearing prevents friction, heat generation, and wear and tear of components. A bearing also reduces energy consumption. Its other purpose is to guide and support a rotating body. In addition to these functions, bearings can also reduce wear and tear on a machine. As a result, they are among the most widely used machines in the world.
Seals are a major component of a bearing. They prevent foreign materials from entering and lubricating the moving parts. The design of seal lips determines their effectiveness. Fuel economy regulations and CO2 emissions regulations are pushing the demand for low-friction bearings. However, high-performance seals do not always provide high-performance. As a result, current estimations of the friction in bearings depend on trial and error methods.
Another important function of bearings is that they transfer the load of a rotating component to its housing. This load can be axial or radial. Bearings also limit movement to predefined directions. Some types of rolling element bearings have balls or cylinders inside. These bearings are less frictional than sliding ones, thus they allow parts to move freely during rotation. These parts can then be used for various applications. So, bearings are an integral part of machines.


The most common type of bearing is a plain bearing. It uses surfaces in rubbing contact to transmit movement from one part to another. These bearings may be discrete or may consist of a hole in a metal sleeve or a planar surface bearing another part. Some plain bearings are flanged, while others are made of a sleeve with a flange at one end. These bearings often give acceptable accuracy and life, but they are expensive and cannot be used in large scale applications.
Radial bearings are used when there is a need for high-speed or corrosive parts. This type of bearing also serves as a support in an intermediate situation. Its two components are called the base and the cover. The base and cover are connected and are arranged parallel to the main axis. This type of bearing is used in steady-state and axial motion applications. The radial bearings are also used when the shafts are long.
Angular contact bearings are another type of bearing. These are easy to install and require minimal maintenance. Their races are displaced along the axis. They are also better at handling axial loads and transferring them to the housing. These types of bearings are commonly used in pumps, automobiles, and high-speed applications. If you are looking for an affordable, reliable bearing, look no further than the angular contact bearing.
Another type of bearing is a self-lubricating bushing. These are lightweight and wear-resistant. Unlike the other types of bearing, they do not require any lubrication or maintenance. In fact, some are completely maintenance-free. But if you’re worried about maintenance, this type of bearing may be a good choice. There are many benefits of using self-lubricating bushings. It is also a good option for applications where your machine is exposed to extreme temperatures.

Working principle

A bearing has two primary functions: support and load transfer. In engineering applications, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. Both types of load transfer are important in a variety of applications. The working principle of each type is described below. Listed below are the main uses for each type of bearing.
A plain bearing uses a PTFE liner on the interface of two moving parts. The PTFE liner acts as a lubricant and may be filtered to alter its friction. The journal bearing uses the motion of the journal to force fluid into the gap between two moving parts. This results in a small amount of play in the bearing. This play is acceptable for most applications. A ball bearing may have a maximum play of 2 mm for a ten-millimeter shaft.
The primary function of a bearing is to assist in rotation and to reduce mechanical friction between the two objects. A bearing may be installed as a separate device or as an integral part of a machine. For more complex applications, bearings are very precise components requiring the highest standards of technology. For this reason, it is important to understand the working principle of bearings. The next time you need to lift or slide a heavy object, consider a bearing.
Ball bearings are a common type of ball bearing and can be found in industrial machinery and automobiles. Their unique structure helps them support less weight. This is because they are comprised of two rings – an inner race and an outer race. The balls themselves have a small area of contact and transfer axial loads in one direction. A cage surrounds the balls and prevents them from colliding. This makes ball bearings a popular choice for many applications.

Sealing system

A bearing’s seals are vital for the operation of rolling and rotating components. These systems enable rotation and linear movement while limiting friction and dispersing stress. Without the proper seals, these components could face catastrophic failure. In addition to protecting the bearing from external forces, seals help retain lubricant inside the system and prevent harmful particles from entering the gap. A seal’s lubrication helps prevent the onset of mechanical damage and prolongs the life of the bearing.
A bearing seal is made up of two parts: the inner sealing element and the outer sealing element. A passageway runs through the bearing assembly to the outer seal element. A hydraulic press or pneumatic jack is recommended for installing the seal. These tools are effective in reducing deformation and improving seal installation quality. When fitting the seal, ensure that the tool does not hit the seal directly. A proper adopter will distribute the load uniformly across the seal.
The seal’s efficiency depends on its gap. A four-inch shaft seal can flow 0.5 standard cubic feet per minute. A seal’s efficiency is highly dependent on the gap size. The gap size is a cube of the flow through the system. A smaller gap size allows high flow and pressure but less leakage. If both surfaces of the seal have similar pressures and flow rates, the seal is efficient. However, a small gap reduces the pressures and reduces wear.
Mechanical seals have numerous advantages, including their ability to protect against contaminants and splashing liquids. Labyrinth seals are the first line of defense against leaks. They operate without friction. Their high level of sealing efficiency helps ensure that the bearing remains operational for long. This type of seal is made from metal plates and is designed for a wide temperature range and misalignment. Its advantages include being easy to install and offering 100% sealing efficiency.


Bearing maintenance is critical to ensuring that your bearings keep operating at their peak performance. Proper maintenance will improve bearing life, reduce downtime and increase productivity while reducing costs. Here is an 8-point checklist to optimize your bearings and make them last longer. To optimize their performance, you should follow these steps regularly. In case a bearing does not last long, you should replace it as soon as possible. Listed below are some tips to ensure proper maintenance.
The first step is to determine how often your bearings require lubrication. Some manufacturers recommend that you lubricate them weekly, but this can do more harm than good. Instead, use ultrasound to measure the level of friction and trend its levels. This way, you will know exactly when to grease your bearings. It’s also important to check how often they should be inspected and calibrated. A professional can provide guidance on proper maintenance.
Next, inspect your bearings for cracks and scratches. You should never install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could lead to its premature failure. A proper alignment is essential for the bearing to function properly. Make sure you have the correct tools to perform this task. These tools can help you reduce manual work and promote safe bearing maintenance. You should also ensure that the shaft and housing are clean and undamaged.
Proper maintenance can prolong bearing service life. Proper lubrication, mounting, inspection, basic condition monitoring, and dismounting can extend their life. Proper maintenance extends their lifespan and improves plant productivity. While bearings are essential for machinery, you should make sure you follow the proper safety procedures every time you work with them. These tips will also help prevent accidents and maintain your machine’s efficiency. Once you’ve followed these guidelines, you can safely inspect your bearings and ensure that they’re operating at their optimum capacity.

China ntn deep groove ball bearings 6201 6202 6203 6203 6204 6205 with nsk ntn koyo nachi iko bearing     with Good qualityChina ntn deep groove ball bearings 6201 6202 6203 6203 6204 6205 with nsk ntn koyo nachi iko bearing     with Good quality
editor by czh2023-02-09

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