Alumina Ceramic Bearing Ball

Feature

BAS Alumina ceramic ball High-tempered bearing balls, low temp,electric insulation, valve balls for acid, alkali, salt,measure pumps, flow meter and valve ball plunger for deep well pump,resistant to strong acid, strong alkali,salt and gas of deleterious, long life, high hardness, resistant to wear,resistant to high temp up to 1400℃, high electric insulation 300KV.

Product Details

Physical Properties

Item Density Coefficient Elasticity Modulus Poisson’s

Ratio

Hardness

(HV)

Hardness

(HRC)

Bending Strength Compressive

Strength

Unit g/cm3 10-6/k Gpa Mpa Mpa
Al2O3 3.95     9.1 380 0.27 1800 80 220 1500
Item Fracture Toughness Thermal Conductivity Electrical Resistivity Highest Temp Acid and Alkali Corrosion resistance performance Stress Cycles (50% failure probalility)
Unit Mpa·m1/2 W/mk Ω·mm2/m Strong Times
Al2O3 3.5 25 108 1850
Item Dimensions stability Certrifugal

Force

Non-lubrication

Friction

Magnetism Rolling contact

Fatigue Failure mode

Unit
Al2O3 Medium small None Crash

Comparison

Alumina Ceramic Bearing Ball's Comparison