General information of STT  deep groove ball bearing
STT deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages.  Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. 

Advantage:
1.Deep groove ball bearing--- able to carry high loads
2.With carbon chrome steel ball bearing
3.more quietly than croller bearings
4.Deep groove ball bearing----Low noise.stable performance and durable
5.Deep groove ball bearing----Able to work in sub-zero temperatures and have low rolling resistance
6.Deep groove ball bearing----Suitable for countless applications:sliding doors,windows and other furnitures

2012  Company Established and Brand created
2014  Independently developed the first automatic assembly machine
2015  Moved to Guozhao Road factory with area of 10,000 square meters  
2023  Moved to Yuexiu Road, factory construction area of 21,000 square meters
2023  Headquarters base founded with construction area of 48,000 square meters

Established in 2012, Suzhou Tie Jin Science& Technology Corp. Ltd (STT) has devoted itself to the research and development of special miniature deep groove ball bearings processing equipment. After years of accumulation, STT researched and developed deep groove ball bearings series with inner diameter of 1.5mm ,2mm, 2.3mm ,2.5mm.And have achieved technological breakthroughs in ultra-high speed, ultra-precision, ultra-quiet and other high-end application scenarios.

We  stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. Our main products are Extra miniature deep groove ball bearing (inner hole 1.5 ~ 8 mm).
Our factory locats in Suzhou city, covers an area of 21 thousand square meters with registered capital of 39.7 million CNY. STT has total 450 staffs including 40 research & developers and 50 QC. The  capacity is 25 million sets each month.  

The company′s own brand has been China famous brand, China well-known trademark, the most competitive brand in the market. Company has passed ISO14001, IATF16949, laboratory and other quality and environmental management system certification. The company has established a set of perfect sales network and service system, the products sell well all over the country, exported to Europe and America and other developed countries and regions.
Welcome customers at home and abroad to negotiate and order.

Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;

2>.Help customers with bearing choice, clearance configuration, products' life and reliability analysis;

3>. Offer highly cost-effective and complete solution program according to site conditions;

4>. Offer localized program on introduced equipment to save running cost

Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;

2>.Help customers with trouble diagnosis and failure analysis;

Q3: How about your company's strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request.

2.LOW MOQ
For the standard size bearings, even one, we also accept.
 

2>. World-Class Bearing:
We provide our customers with miniature  deep groove ball bearings with world-class quality.

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

4>. After Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer's requirements and needs.

5>.Quick Delivery:
1-3 workingdays for the stock goods.
1-3 weeks of production, depending on the order qty.


Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, please contact us at the first time, we will immediately process

Q5: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical assistance with any special requirements