
Wholesale 11/16″ 17.462mm Si3N4 Silicon Nitride Ceramic Balls
| Item No : | 17.462mm Silicon Nitride Ceramic Balls |
| Diameter : | 17.462 mm (11/16 Inch) |
| Material : | Silicon Nitride (Si3N4) |
| Lead Time : | 3-5 days |
| Grade: | G3-100 |
| MOQ : | 50 pcs |
| Service : | Support Sample Testing |
⚙️Product Description:
Operating in extreme environments where traditional steel balls fail due to heat, magnetism, or electrical arcing? The 17.462mm (11/16 inch) Silicon Nitride (Si3N4) Ceramic Balls represent the pinnacle of material engineering. Weighing nearly 60% less than steel while offering significantly higher hardness, these ceramic balls drastically reduce centrifugal force and friction at ultra-high speeds. Available in a versatile precision range from ultra-precise G3 for aerospace spindles to G100 for rugged industrial pumps. As a premium B2B bearing and components trader, we supply rigorously tested RMO brand Si3N4 balls in bulk, alongside bespoke global OEM sourcing to meet your most demanding technical specifications.

⚙️product Features:
- Ultra-Lightweight for High Speed: The density is only 3.20 g/cm³, drastically lowering centrifugal forces and extending bearing life in high-RPM operations.
- Electrical Insulation & Non-Magnetic: 100% immune to magnetic fields and electrical currents, completely preventing galvanic corrosion and arcing damage.
- Extreme Thermal Stability: Operates flawlessly in temperatures up to 800°C (1472°F) with an incredibly low coefficient of thermal expansion, preventing seizing.
- Exceptional Hardness & Wear Resistance: Far harder than 52100 bearing steel, offering dry-running (self-lubricating) capabilities in vacuum or starved-lubrication environments.
- G3 to G100 Precision Flexibility: Whether you need perfect sphericity for machine tools (G3/G5) or reliable durability for chemical valves (G100), our B2B supply chain delivers exactly what you need.
⚙️Product Application:
With unparalleled material superiority, the 17.462mm Si3N4 ceramic ball is the critical component for:
- Ultra-high-speed machine tool spindles and precision hybrid ceramic bearings.
- Wind turbine generators and electric vehicle (EV) motors (preventing electrical pitting).
- High-temperature aerospace fluid controls and cryogenic valve operations.
- Chemical processing pumps and corrosive fluid check valves.
- Global hybrid bearing manufacturers, aerospace OEMs, and heavy-duty pump distributors.
⚙️Precautions:
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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⚙️Technical Parameters:
| Model No. | |
| Diameter | |
| Material | |
| Precision Grades | |
| Density | |
| Hardness | |
| Max Working Temp. | ~ 800°C (1472°F) |
| Thermal Expansion | 3.2 x 10⁻⁶ /°C (Extremely low dimension change) |
| Magnetic/Electrical Properties | |
| Weight per Piece | ~ 8.92 grams |
| Supply Capability | RMO Brand Bulk Wholesale & Global OEM Sourcing |
| Package | |
| Lead Time | |
| Shipping | |
| Payment | 100% TT, or 30% TT In Advance, 70% TT After Finished Production |
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