Item Description

Merchandise Description


General info of STT deep groove ball bearing
STT deep groove ball bearing consists of an outer ring, an internal ring, a team of metal balls and a group of cages.  Deep groove ball structure is also divided into seal and open up composition. The open type signifies that the bearing has no sealing framework. The sealed deep groove ball is divided into dust-proof seal. The dust-evidence seal protect is manufactured of steel plate, which only serves as a simple way to avert dust from moving into the bearing raceway. 

Doing work basic principle of STT deep groove ball bearing
It mostly bears radial load, and also can bear axial load and radial load at the same time. When it only bears radial load, the speak to angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of angular speak to bearing and can stand up to large axial load. The friction coefficient of the deep groove ball bearing is extremely small, and the limit pace is also very large.

Traits of STT deep groove ball bearing
STT deep groove ball bearings are ideal for higher velocity operation, and they are very durable without frequent upkeep. This variety of bearing has the traits of modest friction coefficient, substantial limit pace, different measurements and varieties they are used in precision instruments, low sounds motor, car, motorbike and common machinery and other industries. It is 1 of the most extensively employed bearing in mechanical market. It mostly bears radial load, and also can bear a specified volume of axial load.

1.Deep groove ball bearing— CZPT to carry substantial hundreds
2.With carbon chrome steel ball bearing
three.much more quietly than croller bearings
4.Deep groove ball bearing—-Lower overall performance and resilient
five.Deep groove ball bearing—-Able to perform in sub-zero temperatures and have lower rolling resistance
six.Deep groove ball bearing—-Appropriate for countless purposes:sliding doorways,windows and other furnitures

Company Profile

2012 Business Proven and Brand developed
2014 Independently designed the initial computerized assembly device
2015 Moved to Guozhao Street manufacturing unit with spot of ten,000 square meters 
2571 Moved to Xihu (West Lake) Dis.u Highway, manufacturing facility design area of 21,000 square meters
2571 Headquarters foundation founded with development region of 48,000 square meters

Recognized in 2012,HangZhou Tie Jin Science& Technologies Corp. Ltd (STT) has devoted alone to the study and improvement of particular miniature deep groove ball bearings processing gear. Following several years of accumulation, STT researched and produced deep groove ball bearings series with inner diameter of 1.5mm ,2mm, 2.3mm ,2.5mm.And have attained technological breakthroughs in ultra-high speed, ultra-precision, ultra-silent and other high-conclude application eventualities.

We stick to the basic principle of “good quality very first, support very first, steady enhancement and innovation to satisfy the customers” for the management and “zero defect, zero grievances” as the quality aim. Our major goods are Added miniature deep groove ball bearing (interior hole 1.5 ~ 8 mm).
Our manufacturing unit locats in HangZhou metropolis, addresses an region of 21 thousand square meters with registered capital of 39.7 million CNY. STT has whole 450 staffs like forty study & builders and fifty QC. The capacity is twenty five million sets each thirty day period.  

The company′s personal brand name has been China famous brand, China nicely-known trademark, the most aggressive model in the market place. Organization has passed ISO14001, IATF16949, laboratory and other quality and environmental administration program certification. The business has recognized a established of excellent product sales community and service technique, the items offer well all in excess of the region, exported to Europe and The usa and other produced nations and locations.
Welcome buyers at residence and abroad to negotiate and buy.

Packaging & Transport

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

By Air  / By Sea /By Express
 a. For tiny fat or Urgent, merchandise will be delivery  by Specific DHL/FedEX/UPS/TNT/EMS
 b. For max manufacturing,merchandise will be delivered by sea/by air.
 c. In accordance to your demands


Q1:What is your Before-revenue Services?
1>. Offer you to bear relevant session about engineering and software

2>.Help clients with bearing decision, clearance configuration, products’ existence and reliability analysis

3>. Offer hugely price-effective and total remedy software in accordance to website problems

4>. Provide localized software on released tools to save working expense

Q2: What is your Right after-income Support?
1>. Supply instruction about bearing set up and upkeep

2>.Assist customers with difficulties prognosis and failure examination

Q3: How about your firm’s energy?
1>.Cost-free SAMPLES:
contact us by e mail or trade supervisor, we will send the free samples in accordance to your request.

two.Minimal MOQ
For the normal dimensions bearings, even 1, we also acknowledge.

2>. World-Class Bearing:
We supply our consumers with miniature deep groove ball bearings with globe-class high quality.

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

4>. Soon after Product sales Services and Technical Support:
The firm provides after-revenue support and technical support as for each the customer’s specifications and demands.

5>.Quick Delivery:
1-3 workingdays for the stock products.
one-3 months of manufacturing, dependent on the order qty.

This fall: What will we do if you are not pleased with the solution?
A: If have any irregular, remember to get in touch with us at the 1st time, we will instantly procedure

Q5: Is optional lubrication supplied?
A: We can offer a broad selection of oils and greases for a assortment of applications. You should speak to our engineer for specialized guidance with any particular demands



US $0.2-1
/ Piece
100 Pieces

(Min. Order)


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


US $0.2-1
/ Piece
100 Pieces

(Min. Order)


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



The Benefits of Using Self-Lubricating Bushings for Your Next Pivot

Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.

wear and cracking

The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.

Maintenance free

If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.


When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.

compared to cartilage in the human body

What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is ​​important for cartilage remodeling and consists of changes in the collagen matrix.

Compared to metal-on-bone contact

Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.

China China Wholesale Chrome Steel Ultra Small Single Row Deep Groove Ball Bearing     deep groove ball bearingChina China Wholesale Chrome Steel Ultra Small Single Row Deep Groove Ball Bearing     deep groove ball bearing
editor by czh 2022-12-23