Merchandise Description

Merchandise Description

Common info of STT 
deep groove ball bearing
STT deep groove ball bearing is made up of an outer ring, an interior ring, a team of steel balls and a group of cages.  Deep groove ball construction is also divided into seal and open construction. The open up variety indicates that the bearing has no sealing construction. The sealed deep groove ball is divided into dust-proof seal. The dust-evidence seal include is manufactured of metal plate, which only serves as a simple way to avert dust from moving into the bearing raceway. 

Operating principle of STT deep groove ball bearing
It primarily bears radial load, and also can bear axial load and radial load at the very same time. When it only bears radial load, the make contact with angle is zero. When the deep groove ball bearing has a large radial clearance, it has the overall performance of angular get in touch with bearing and can endure massive axial load. The friction coefficient of the deep groove ball bearing is very small, and the restrict speed is also quite substantial.

Traits of STT deep groove ball bearing
STT deep groove ball bearings are suited for higher pace procedure, and they are extremely durable with out repeated upkeep. This sort of bearing has the characteristics of tiny friction coefficient, substantial restrict pace, numerous dimensions and kinds they are utilised in precision devices, reduced sound motor, automobile, bike and standard equipment and other industries. It is 1 of the most widely used bearing in mechanical industry. It largely bears radial load, and also can bear a specific quantity of axial load.

1.Deep groove ball bearing— CZPT to carry higher hundreds
2.With carbon chrome metal ball bearing
three.far more quietly than croller bearings
four.Deep groove ball bearing—-Low functionality and tough
5.Deep groove ball bearing—-Capable to operate in sub-zero temperatures and have lower rolling resistance
6.Deep groove ball bearing—-Appropriate for numerous purposes:sliding doorways,windows and other furnitures

Company Profile

2012 Business Set up and Brand name designed
2014 Independently produced the initial automated assembly device
2015 Moved to Guozhao Highway factory with location of 10,000 sq. meters 
2571 Moved to Xihu (West Lake) Dis.u Road, manufacturing unit construction region of 21,000 sq. meters
2571 Headquarters foundation started with building area of 48,000 sq. meters

Proven in 2012,HangZhou Tie Jin Science& Technology Corp. Ltd (STT) has devoted alone to the analysis and growth of special miniature deep groove ball bearings processing products. Soon after many years of accumulation, STT investigated and produced deep groove ball bearings collection with inner diameter of 1.5mm ,2mm, 2.3mm ,2.5mm.And have reached technological breakthroughs in ultra-high velocity, ultra-precision, ultra-peaceful and other substantial-end application eventualities.

We stick to the basic principle of “high quality initial, provider first, steady advancement and innovation to fulfill the buyers” for the management and “zero defect, zero complaints” as the good quality aim. Our primary items are Additional miniature deep groove ball bearing (internal gap 1.5 ~ 8 mm).
Our manufacturing unit locats in HangZhou city, addresses an area of 21 thousand sq. meters with registered cash of 39.7 million CNY. STT has overall 450 staffs which includes 40 investigation & builders and fifty QC. The capacity is twenty five million sets each thirty day period.  

The company′s personal manufacturer has been China well-known brand, China nicely-identified trademark, the most competitive model in the industry. Firm has handed ISO14001, IATF16949, laboratory and other high quality and environmental administration program certification. The organization has proven a established of ideal sales network and services program, the items market properly all more than the country, exported to Europe and America and other produced international locations and locations.
Welcome buyers at home and overseas to negotiate and get.

Packaging & Shipping and delivery

1. tube package/ outer carton
2. tube package deal/ outer carton / pallets 
three. in accordance to your requirement 

By Air  / By Sea /By Express
 a. For little excess weight or Urgent, items will be delivery  by Express DHL/FedEX/UPS/TNT/EMS
 b. For max creation,items will be shipped by sea/by air.
 c. In accordance to your specifications


Q1:What is your Ahead of-revenue Service?
1>. Supply to bear connected consultation about technological innovation and application

2>.Support consumers with bearing selection, clearance configuration, products’ daily life and reliability evaluation

3>. Offer you hugely value-successful and comprehensive remedy program in accordance to website circumstances

4>. Offer you localized system on launched tools to preserve working price

Q2: What is your Right after-income Support?
1>. Supply instruction about bearing installation and maintenance

2>.Assist buyers with difficulty analysis and failure evaluation

Q3: How about your firm’s power?
1>.Free of charge SAMPLES:
speak to us by electronic mail or trade supervisor, we will ship the free samples according to your request.

2.Reduced MOQ
For the common measurement bearings, even a single, we also take.

2>. Planet-Class Bearing:
We provide our buyers with miniature deep groove ball bearings with entire world-course quality.

3>.OEM or Non-Stand Bearings:
Any prerequisite for Nonstandard roller bearings is Simply Fulfilled by us because of to STT has a strong professional team, professional production, testing equipment, professional sales and after sale service team.

4>. Right after Revenue Support and Technological Assistance:
The company provides following-income services and specialized support as for each the customer’s specifications and wants.

5>.Swift Shipping and delivery:
one-3 workingdays for the stock items.
1-3 months of creation, dependent on the order qty.

Q4: What will we do if you are not satisfied with the solution?
A: If have any irregular, remember to contact us at the very first time, we will right away procedure

Q5: Is optional lubrication presented?
A: We can offer a extensive selection of oils and greases for a variety of applications. Remember to get in touch with our engineer for technological assistance with any unique requirements


Contact Angle: N/a
Aligning: N/a
Separated: Unseparated
Rows Number: Single
Load Direction: Thrust Bearing
Material: Bearing Steel


Contact Angle: N/a
Aligning: N/a
Separated: Unseparated
Rows Number: Single
Load Direction: Thrust Bearing
Material: Bearing Steel



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 Deep Groove Ball Rolamentos Ultral Small Bearing for Skate/Skateboard     with high qualityChina Deep Groove Ball Rolamentos Ultral Small Bearing for Skate/Skateboard     with high quality
editor by czh 2023-01-19