Ceradyne manufactures silicon
nitride balls for use in hybrid ball bearing applications. Ceradyne’s Ceralloy®
147-31N grade of gas pressure sintered silicon nitride has a pore free microstructure
with high strength, fracture toughness and contact fatigue resistance. This silicon
nitride grade meets or exceeds the requirements of ASTM Standard Specification F2094-01a
for silicon nitride hybrid bearing balls.
Ceradyne ball manufacturing capability ranges in size from 3mm to 60mm.