Bearings are one of the common parts in mechanical equipment. They are mainly used to reduce rotational friction and transmit power. Ball bearings are an important support structure in bearings, and steel balls are one of the important components in bearings. So, what is the relationship between bearing steel balls, bearing balls, and chrome steel balls? Are they the same thing?
First of all, it can be clearly stated that bearing steel balls, bearing rollers, and chrome steel balls are actually all types of steel balls. However, there are indeed differences between them.
Bearing steel balls are mainly used in various engineering machinery, automobiles, ships and other industries, and are one of the most common bearing components. Usually, the materials used for bearing steel balls can be carbon steel, stainless steel balls, bearing steel balls, ceramic balls, alloy balls, etc. In other words, bearing steel balls are a general term and can have several types of materials. Since bearing steel with the material grade GCr15 is widely used, generally speaking, bearing steel balls usually refer to GCr15.
Unlike bearing steel balls, bearing rollers typically refer to GCr15 steel balls used in bearings with more complex operating conditions. They generally have higher hardness and superior wear resistance compared to bearing carbon steel balls. The production of bearing rollers usually involves relatively complex technology, so their cost is relatively high. Bearing rollers have a wide range of applications and are generally used in mechanical and power equipment.
Chromium steel balls are a type of steel ball, classified into three categories based on indicators such as hardness and strength: Gcr15, Gcr9, and Gcr9SiMn. Among these, Gcr15 is the chromium steel ball type with the most models, the most complete range of varieties, the widest application, and the most abundant supply. Chromium steel balls are mainly used in industries such as abrasive machinery, fluid machinery, food machinery, industrial pumps, and chemical equipment.
In summary, it should be clear that although there are differences between bearing steel balls, bearing rollers, and chrome steel balls, they are all indispensable important components of bearings. Each has its own characteristics and application directions in different fields.