Silicon Nitride Balls

Silicon Nitride Balls
Silicon Nitride Balls

Engineered for high precision applications. A popular choice among bearing designers and other precision product applications. Silicon nitride balls are non-corrosive, anti-magnetic, and excel in low noise. Silicon nitride ball applications can be found in helicopter rotors, aircraft turbines, high speed mixers in chemical reaction vessels, machine tolling, dental drills and vacuum pumps.

Diameter range: 0,5 mm – 80 mm
Grades: ISO 3290 G3-G20
Hardness according to Vickers: < 1600(HV10)
Temperature resistance: < 1.300°C
Density: 3,21 g/cm³

Silicon Nitride

Engineered for high precision applications, silicon nitride ceramic balls deliver unsurpassed performance in critical components such as hybrid bearings.

Specified for use in such high-technology industries as aerospace and defense, high-spec ceramic balls feature these advanced characteristics:
Lightweight Silicon Nitride weighs 60% less than steel which reduces centrifugal force, skidding and wear under high speed and acceleration.
Superior Surface Finish, Ra 0. 1 7-0.25 maximum micro inches ‘ may extend L-10 life to as much as 100 times that of steel bearings.
High Temperature Hardness is twice that of steel. These all-ceramic balls retain their strength and hardness up to 1800 degrees F.
Silicon Nitride is further characterized by its low density of 3.2 g/cc, high flexural strength of 1.0 GPa, and fracture toughness of 6 MPa/M2.
These outstanding properties, together with manufacturing standards regarding sphericity, diameter tolerance, and surface finish, make silicon nitride balls ideal for high performance ball bearings.

Material Analysis

Material Analysis
Property/Material Silicon Nitride
Chemistry (wt%) 87% Si3N4
13% Other
Transverse RuptureStrength (kN/mm2) 0.85
Ultimate CompressiveStrength (kN/mm2) 4
Ultimate TensilStrength (kN/mm2) 0,35
Modulus ofElasticity (kN/mm2) 310
Fracture Toughness(K1c)MPa/m 6-8

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Physical and mechanical properties are not guaranteed. They are intended only as a basis for comparison and not for design purposes.