Xi'an machinery & engineering import & export co.,ltd.
China Chrome Steel Bearing Balls & High Precision Bearing Balls Supplier The best precision makes your bearing roll more smoothly. High quality, Best service, Reasonable price.
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15.875mm(0.625 Inch),G20, Chrome Steel Balls For Also Ball Bearing
Introduction
High chromium bearing steel is chromium 1.30 ~ 1.65% and high-carbon alloy steel, which is feature have the microstructure is more uniform and stable after heat treatment, high hardness and uniformity, good wear resistance, high contact fatigue strength, good dimensional stability and corrosion resistance. Its cutting performance is good after annealing. This steel can meet the requirements of the bearing under normal operating conditions, such as ball and roller bearing also bearing and so on as well as other industries.
We make chrome steel balls and stainless steel balls as well as a wide range of more sizes. With manufacturing facilities housing most advanced equipment, we have the ability to meet all your needs.
Material choice dictates the physical characteristics of the steel ball, such as hardness, magnetic properties, and oxidation resistance. Steel balls are available in low carbon (1015, 1018), high carbon (1065,1085), chrome (52100), and stainless steel (302, 304, 316, 420, and 440). The intended application will play a significant role in determining the appropriate material choice.
Bearing balls are a type of rolling-element bearing that uses balls to maintain the separation between moving parts. Bearing balls are at the heart of almost every product with a rotating shaft. They are used in bicycles, blenders, washing machines, fans, and many other products.
Steel balls are available in standard and metric sizes, so determine which is most appropriate for your purpose. Standard-sized steel balls are typically less expensive and normally available for immediate delivery. However, we will design custom sizes upon request.
Specification
| Grade | Hardness | Material | Ball Diameter |
| G20 | HRc 62-67 | Gcr15(52100,100Cr6,SUJ2) | 5/8" (15.875mm) -- 1" (25.4mm) |
Grade and Tolerance
| precision / Grade |
Ball Diameter Tolerance Vdws(≤) µm |
Deviation from Spherical Form △Rs(≤) µm |
maximun surface roughness Ra(≤)µm |
lot diameter variation Dwl(≤) µm |
| G3 | 0.08 | 0.08 | 0.01 | 0.13 |
| G5 | 0.13 | 0.13 | 0.014 | 0.25 |
| G10 | 0.25 | 0.25 | 0.02 | 0.5 |
| G16 | 0.4 | 0.4 | 0.025 | 0.8 |
| G20 | 0.5 | 0.5 | 0.032 | 1 |
| G24 | 0.6 | 0.6 | 0.04 | 1.2 |
| G28 | 0.7 | 0.7 | 0.05 | 1.4 |
| G40 | 1 | 1 | 0.06 | 2 |
| G60 | 1.5 | 1.5 | 0.08 | 3 |
| G100 | 2.5 | 2.5 | 0.1 | 5 |
| G200 | 5 | 5 | 0.15 | 10 |