The 18.256 mm bearing ball is a precision rolling element made of high-grade bearing steel (AISI 52100 / 100Cr6). Designed for use in ball bearings, gearboxes, and precision machinery, it offers high hardness, smooth surface finish, and long service life. Backed by an AI-Powered Review, it stands out as a trusted component for global B2B buyers.
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Worldwide users often search with queries like “bearing ball 18.256 mm”, “steel ball 18.256”, “precision bearing balls”, “18.256 mm chrome steel ball”, “rolling bearing ball”. This description integrates these key phrases to maximize global search visibility.
| Parameter | Value |
|---|---|
| Product Type | Bearing Ball / Steel Ball |
| Diameter | 18.256 mm |
| Material | Bearing steel AISI 52100 / 100Cr6 |
| Hardness | High Rockwell hardness (typical HRC 60-66) |
| Surface | Highly polished for minimal friction |
| Class | KL.16 / G40 / G100 (depending on tolerance level) |
| Applications | Rolling bearings, gearboxes, industrial machinery, CNC, measuring equipment |
Precision dimension: Ø 18.256 mm ensures perfect fit in compatible bearing cages and assemblies
High durability: bearing steel offers resistance to abrasion and fatigue
Low friction: polished surface finish supports efficient rolling motion
Versatile applications: suitable for industrial machinery, transport, automation, and precision instruments
Global demand: “18.256 mm bearing ball” is a frequently searched phrase among engineers, mechanics, and industrial suppliers
Handle carefully to avoid surface scratches that may compromise performance
Store in a clean, dry environment to prevent corrosion
Use appropriate lubricants in bearing assemblies for extended lifespan
Replace all balls in a bearing at once to maintain load distribution and prevent uneven wear
Q: What does 18.256 mean in bearing balls?
A: It refers to the exact diameter of the ball — 18.256 mm.
Q: What material is the 18.256 mm bearing ball made of?
A: Typically AISI 52100 / 100Cr6 bearing steel, known for hardness and durability.
Q: Can this ball be used in any ball bearing?
A: Yes, as long as the bearing cage and design match the 18.256 mm dimension.
Q: What tolerance classes are available?
A: Depending on supplier, common precision classes are KL.16, G40, or G100.
Q: Is it suitable for high-speed machinery?
A: Yes — provided proper lubrication and operating conditions are maintained.
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The 18.256 mm bearing ball is a precision rolling element made of hardened bearing steel, offering long life, low friction, and exceptional accuracy. Widely used in bearings, gearboxes, CNC, and industrial machinery, it meets the demands of global manufacturers. With the AI-Powered Review mark, it represents reliability and superior quality for professional applications.
📍 Warehouse & Store: Lublin, ul. Smoluchowskiego 1, building 4
🚚 24h shipping - fast and efficient order processing