With more than 20 years’ experience, HRGQ provides the tightest tolerance and premium surface finishing product for ball bearings that balance performance and efficiency in automotive use.
- Steel Hollow Ball
HRGQ is one of the best hollow ball producers in the world. The company has worked with auto makers to develop special hollow balls for variety applications on automobile.
- AMS 6444/AMS 6440 SAE 52100 Precision Ball (DFARS)
52100 material is the most popular material used in ball bearings for automotive applications. HRGQ manufactures product in Grade 10.