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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: CTRI
  • Model Number: No-standar\ Special-shape\ Special
  • Material: Cermet
  • Usage: Internal Turning Tool
  • Hardness: HRC50-65
  • Coating: Coated
  • Sample: 1-2 Pcs
  • Manufacturer: Yes
  • Color: Silver
  • Workpiece: Bearing
  • Certification: Patented since 1991
  • MOQ: 10 Pcs
  • Processing type: Turning Process
  • Shipping: DHL/UPS/TNT

Packaging & Delivery

Packaging Details 10 pcs in one plastic box, or upon your requirements
Delivery Time 10-15 days after payment
Product Description

  Product Application 




Bearing Inserts 


Cermet bearing profile inserts manufactured by CTRI are mainly used for turning process of bearing rings.


Inserts are mainly used for track, seal groove, radius, groove etc.


CTRI bearing inserts are currently applied in automatic production line and CNC machines in bearing industry.


Systematic solutions are available for various types of Deep Groove Ball Bearing (DGBB), Tapered Roller


Bearing (TRB), Multi Roller Bearing (MRB), Wheel Hub Bearing (WHB), other non-standard turning and CNC






Main Products Display




New design of full profile cermet inserts and holders to be suitable to use on CNC machine and local


 resharpening service: All inserts resharpening related accessories, shop floor resharpening technical 


supports and local resharpening service are available. 






Techinical Parameter

 Bearing Inserts Design 



Spindle rotation and chip removal will firstly be requested from customers; 


Engineers proppse design for customer's confirmation;


Ship to customer for trial;


If samples are approved, then convert into formal order and supply;


If customers want to change the profile, engineer will revise the profile for second trial again till complete satisfaction;


We ensure constant support and service for customers!




Production Flow



With over 20 years of bearing inserts manufacturing experience, CTRI believes that quality is never an


accident, it is always the result of high intension, sincere efforts, intelligent direction and skillful execution.


It represents the wise choice of many alternatives ! 




Company Information




Chengdu Tool Research Institute Co.,Ltd (hereafter CTRI) is founded in 1956 and formally under the 


direction of China’s Machinery Ministry as the sole comprehensive tool researching and scientific 


developing institution of China’s Machinery industry. CTRI moved to Chengdu in 1965. Approved by 


Ministry of Science and Technology, CTRI became the supporting institution of State Precision Tool 


Engineering Technology Research Center in 1998.It was later approved into China National Machinery 


Industry Corporation (SINOMACH) and transformed to a scientific 


and technological enterprise in 1999. 





1) Manufacturing experience of turning and milling inserts, CNC cutting tools since 1958;


2) Non-standard inserts designed according to customer’s drawings are available;


3) CVD and PVD Coating unit imported from Germany and Switzerland;


4) High R&D ability with newly developed grade for stable performance;


5) Free samples available for trial;


6) Instant online service and solutions will be provided within 1 day.




You are welcomed to visit our factory for further information and cooperation !



Packaging & Shipping




Our Services


Return and Replacement Policy


  •  If damaged products are found due to transportation, we will refund or send new package to you.
  •  If not applicable due to machining condition or products quality issue, as long as trial report is received, we have a technical team and sales person to communicate till suitable grade, fit coating and new samples are satisfied. 


1. Is CTRI a cutting tool manufacturer or a trading company?


CTRI is a cutting tool manufacturer since 1956 and is based in Chengdu, Sichuan Province, southwest of China.


2. To which countries is CTRI exporting?


We have many years of exporting experience with customers located in South America, European countries, Russia, Turkey, Iran, India, Indonesia, Thailand, Malaysia etc. We are exporting large varieties of products including carbide inserts, threading inserts (chasers), cermet bearing inserts, in process gauges, grinding wheels, clamping blocks, PCD/PCBN inserts etc.


3. I want to try your products, how do I proceed?


We can provide 2 pcs of samples for trial purpose. If you are not satisfied with the samples, we can provide different grade or different profile to re test if applicable.


Free samples available for trial


4. How do CTRI provide aftersale service, especially for special inserts or machines?


A: CTRI sent service engineer for on field maintenance and repair;


B:  CTRI sent sales and engineers for monthly and yearly customer visit and solve possible problems;


C:  Some products, customers are encouraged to search help from CTRI local dealers.



Get Quotation Here! 


Contact Person: Huiwen Jing 


Tel: 86-028-83242241   Fax: 86-028-83242075


Tel: 86-13550323396  86-15202848906


Skype: jing.huiwen 

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