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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39.8mm(1-4/7 Inch) AISI 52100,JIS SUJ2,Polished Steel Balls For Bearing
Chrome (Gcr15,100Cr6,52100,SUJ2) steel balls,also called bearing steel balls or alloy steel balls are uniformly hardened and tempered throughout their entire diameter to achieve maximum strength and quality and high load bearing. Ball hardness is controlled within the 60-66 HRc range as measured on parallel flat surfaces. Custom heat treating is available for special hardness and dimensional stability requirements. are the most widely used in the ball and roller bearing industry and for a variety of automobile applications.
Our company supply chrome steel balls in size range 10 mm – 82.55 mm, precision grade G 10 – G 100. Especially 25.4 mm – 82.55 mm (1 inch-3.25 inch) big size high precision chrome steel balls are our principal products. and used mostly for aerospace industry, automotive industry, precision instruments, motorcycles, bicycles, bearings, medical equipment and food machinery and other fields.
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 professional inspection room, according to specified control plans and inspection procedures. Inspection certificate is prepared for the customer once all requirements are met.
Parameter
| Ball Diameter | Grade | Hardness | Material |
| 39.8mm(1-4/7 Inch) | G40 | HRc 61-67 | Gcr15(100Cr6,52100) |
Chemical Composition
| Chemical element | GCr15 | GCr15SiMn |
| (Cr) | 1.40% – 1.65% | 1.40% – 1.65% |
| (C) | 0.95% – 1.05% | 0.95% – 1.05% |
| (Mn) | 0.25% – 0.45% | 0.95% – 1.25% |
| (Si) | 0.15% – 0.35% | 0.45% – 0.75% |
| (P) | ≤0.025% | ≤0.025% |
| (S) | ≤0.020% | ≤0.020% |
| (Mo) | ≤0.10% | ≤0.10% |
| (Ni) | ≤0.25% | ≤0.25% |
| (Cu) | ≤0.25% | ≤0.25% |
Features
High-quality material: Made of high-quality chromium steel, high-grade bearing steel, corrosion resistance, high precision, high hardness. polished surface, smooth without scratch, standard shape and high precision, completely circular.
Anti-rust: Corrosion resistance and high oxidation resistance. The surface is coated with a small amount of grease to improve lubrication and prevent corrosion and rust.
Life time: The heat treatment process can make the bearing ball more stronger and withstand voltage. It is not easy to deform and heat for a long time.
Wide application: Widely used in bicycles, motorcycles, household furniture, casters, drawer slides, door locks and many other applications.
FAQ
Q: Your delivery time?
A: Normally,10-30 days depending on the quantity with your order.
Q: Provide the free sample?
A: Yes, we can provide samples for your inspect.
Q: You can custom design it?
A: Yes, we can producted according to customer requirment.
Q: What are your payment terms?
A: Payment in advance 30% T / T, balance before shipment.