Ceramic Ball

Product Number System of
measurement
Roller Diameter Material Hardness Coefficient Of
Thermal Expansion
Thermal Conductivity Sphericity Density Weight price Cart
Al2O3-1 7/8 inch Inch 1.875" Alumina(Al2O3) 80 HRC 46 × 10-7/° F 194.5 Btu/hr. × in./sq. ft./°F @ 212° F 0.000010" 3.95 g/cm3 221.15g Inquiry
Si3N4-3/8 inch Inch 0.375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 1.457g Inquiry
ZrO2-15/64 inch Inch 0.234375" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 0.6672g Inquiry
ZrO2-1 3/8 inch Inch 1.375" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 154.72g Inquiry
SiC-23/32 inch Inch 0.71875" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 9.94g Inquiry
Si3N4-3/8 inch G5 Inch 0.375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000005" 3.20~3.30 g/cm3 1.457g Inquiry
Al2O3-5/16 inch Inch 0.3125" Alumina(Al2O3) 80 HRC 46 × 10-7/° F 194.5 Btu/hr. × in./sq. ft./°F @ 212° F 0.000010" 3.95 g/cm3 1.024g Inquiry
ZrO2-11/32 inch Inch 0.34375" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 2.105g Inquiry
SiC-5/64 inch Inch 0.078125" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 0.01276g Inquiry
SiC-29/32 inch Inch 0.90625" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 19.789g Inquiry
Si3N4-15/32 inch G5 Inch 0.46875" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000005" 3.20~3.30 g/cm3 2.845g Inquiry
Al2O3-7/16 inch Inch 0.4375" Alumina(Al2O3) 80 HRC 46 × 10-7/° F 194.5 Btu/hr. × in./sq. ft./°F @ 212° F 0.000010" 3.95 g/cm3 2.81g Inquiry
Si3N4-15/32 inch Inch 0.46875" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 2.845g Inquiry
SiC-3/16 inch Inch 0.1875" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 0.1765g Inquiry
SiC-19/16 inch Inch 1.1875" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 44.83g Inquiry
Si3N4-19/32 inch G5 Inch 0.59375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000005" 3.20~3.30 g/cm3 5.873g Inquiry
Al2O3-17/32 inch Inch 0.53125" Alumina(Al2O3) 80 HRC 46 × 10-7/° F 194.5 Btu/hr. × in./sq. ft./°F @ 212° F 0.000010" 3.95 g/cm3 5.03g Inquiry
Si3N4-19/32 inch Inch 0.59375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 5.873g Inquiry
ZrO2-29/64 inch Inch 0.453125" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 4.821g Inquiry
Si3N4-3/4 inch G5 Inch 0.75" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000005" 3.20~3.30 g/cm3 11.66g Inquiry
Al2O3-11/16 inch Inch 0.6875" Alumina(Al2O3) 80 HRC 46 × 10-7/° F 194.5 Btu/hr. × in./sq. ft./°F @ 212° F 0.000010" 3.95 g/cm3 10.90g Inquiry
Si3N4-3/4 inch Inch 0.75" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 11.66g Inquiry
ZrO2-9/16 inch Inch 0.5625" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 9.225g Inquiry
SiC-9/32 inch Inch 0.28125" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 0.5956g Inquiry
SiC-1 11/16 inch Inch 1.6875" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 127.76g Inquiry
Si3N4-3/32 inch Inch 0.09375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 0.02276g Inquiry
Si3N4-15/16 inch Inch 0.9375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000010" 3.20~3.30 g/cm3 22.77g Inquiry
ZrO2-23/32 inch Inch 0.71875" Zirconia (ZRO2) 70 HRC 5.7 x 10–6/°F 2 W/m-K @ 20° C 0.000010" 6.00 g/cm3 19.24g Inquiry
SiC-13/31 inch Inch 0.419" Silicon carbide (SIC) 85~90 HRC 2.2 x 10–6/°F 120 W/m-K @ 20° C 0.000010" 3.10 g/cm3 1.96g Inquiry
Si3N4-3/32 inch G5 Inch 0.09375" Silicon Nitride (Si3N4) 75~80 HRC 15 × 10-7/° F 29 W/m-K @ 20° C 0.000005" 3.20~3.30 g/cm3 0.02276g Inquiry
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