Wholesale 0.5mm to 50.8mm solid precision loose hard carbon steel bearing ball

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Price:RUB 62,752.96 - RUB 117,661.80
Price in USD:Details


Product Overview


Wholesale 0.5mm to 50.8mm solid precision loose hard carbon steel bearing ball




Mingliang Steel Ball Factory behalf on science and technology are primary productive forces, is the basic enterprise development.Our company's mission is to abide by their promise of predicabiuty and quality.Continue to improve quality to meet customers requirements all over the world, as has been its reputation through the years.Insisting on the spirit of the honest, creation and development, dealing with variety and nicety steel balls, principle of quality service, absorbed in high quality and developing friendly cooperation.





Product Description

1-Basic Information

Material Carbon steel Q235 1010 1015
Size Range 0.35mm~50.8mm
Grade G200 G500 G1000
Hardness 20~60 HRC
Corrosion Resistance Non-corrosion resistance


2-Chemical Composition

  1010 1015
%C 0.08 - 0.13
0.12 - 0.18
%Si 0.10 - 0.35
0.10 - 0.35
%Mn 0.30 - 0.60
0.30 - 0.60
%P 0.040 Max 0.040 Max
%S 0.050 Max 0.050 Max


3-Mechanical Properties

  Soft Hardened
Density 7.82 g/m3 7.82 g/m3
Hardness 60 - 90 HRB
55 - 60 HRC

Tensile Strength

29 - 43 PSI×103
43 - 58 PSI×103

Young's Modulus

200 GPa 200 GPa


4- Sizes Table


1-Please contact us for specifications which are not indicated in the above list.

2-Multiplying the weight of 1000 pcs by the following items to get the approximate weight for the other materials: stainless steel 420/440(C):0.980, stainless steel 304: 1.008.


5- Product Images






OEM Service

 oem 1.png





Product Application

Our steel balls is used in many industrials, such as precision bearings, automotive components (brakes, steering, line shaft), bicycle, agitators, appliances, sliders, quick couplings, machine tool, lock mechanisms, conveyor belts, skates, pens, pumps, castors, measurement instruments, valves, ect,.







Production Flow







1-Quality Assurance


After precision washing, oiling & before packing sample balls from the batch are sent for final audit to check for surface roughness, roundness, waviness, lot size variation and hardness in a sophisticated laboratory, according to specified control plans and dock audit procedures. Once all requirements are met, a test certificate is then prepared for the customer. Our sophisticated laboratory is equipped with high precision, worldwide respected machines and equipment and is managed by properly trained and qualified personnel.





2-Our Certifications






Packaging & Shipping






Company Information



MingLiang Steel Ball Factory was established in 1988, steel ball production enterprise in Shandong which have more than 30 years experiences in manufacturing steel balls.

  • It covers a vast area of 8000 square meters, with over 30 professional and technical specialists.
  • It equipped with over 200 advanced production facilities and over 30 testing equipment for steel balls inspection and quality guarantee.
  • We can supply stainless steel balls, carbon steel balls, chrome steel balls, copper balls and hollow balls. Most importantly, we can provide OEM services of steel balls such as drilling, threading, plating, cutting, and many surface treatment as the requirement of our customers.

We are looking forward to starting cooperation with you in the near future!




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FAQ & Contact us


Buyer Reading
1) Please be noted that the price in our website is merely the reference price and the actual one is subject to our final confirmation!
2) Any problem, requirement and suggestion, please contact us freely.


Q:Are you the factory or trade company?
Yes, we are truely the original factory of steel balls.

Q:How is your company scale?
A:Factory and office are seperated, our factory with 100+ workers in Shandong China, office with 20 workers in Guangzhou China, plus other 4 branches with 100+ workers in in other cities of China.


Q:Free sample can be provied?
A:Of course, we can.The shipping charge just be your charge.


Q:What's the inspection method to ensure the quality of steel balls?
A:Roller sorting, optical machine sorting and visual inspection.


Q. How is the after sales service?
A:China working hours 8:30-18:00 Monday-Friday online service to help buyers solving problem.


Q. Can I come visit your office and factory?
A:Yes, and we shall be greatly honoured by your gracious presence.


Q.How to contact you guys quickly?

A: You can chat with us online or send us your inquiry in bottom.



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