Specified for use in such high-technology industries such as
hybrid bearings, aerospace and defense; Silicon Nitride
feature these advanced characteristics:
Excellent corrosion resistance withstands attack from harsh
chemicals and demanding environmental conditions.
Lightweight Silicon Nitride weighs 60% less than steel which
reduces centrifugal force, skidding and wear under high speed
Superior Surface Finish, Ra 0.1 7-0.25 micro inches may extend
L-10 life to as much as 10 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
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 Hoover's exacting
manufacturing standards regarding sphericity, diameter
tolerance, and surface finish, make Hoover's silicon nitride
balls ideal for high performance ball bearings.