Высокоточные шарики глиноземный керамический подшипник с Заводской

Описание и отзывы

Трекер стоимости

Характеристики

Zirconia and Alumina ceramic has a series of good properties,such as high strength,good fracture toughness,high density,good abrasion resistance,high hardness and so on.Zirconia ceramics can be used as good abrasive and efficient grinding media.

 

Specifications

Aluminium Oxide Al2O3 bearing balls.  
1: Self-lubricating  
2: Anti-corrosion  
3: Work in high temperature  
4: High speed

Features :

1) Good insulation performance

2) High precision

3) High temperature resistance

4) Stiffness texture

5) Acid and alkali resistance

6) Corrosion resistance

7) Flexible price according to customers' requirements

8) High fracture toughness

9) Shapes and sizes can be changed according to requirements

 

Items	Test Condition and Unit	Test Result
		ZrO2	ZTA	Al2O3(99%)
Volume Density	Room Temperature g/cm3	5.5~5.8	4.18	3.87
Bending Strength	Room Temperature Mpa	600	500	450
Compressive Strength	Room Temperature Mpa	4500	4200	3800
Fracture Toughness	Kic(Mpa.m1/2)	7	6	6
Thermal Expansion Ratio	(200~500)℃, 1/℃	7.0×10-6	6.9×10-6	6.9×10-6
Thermostability	(Room Temperature~800)℃, Cooling Water	7 times	6 times	5 times
Chemical Stability	10% HCL mg/cm3	5.5	5.3	5.3
	1:9 NaOH mg/cm3	0.16	0.14	0.12

 

Ceramic ball bearings for use in jigs, tools, gauges, solenoid valves, check valves, other types of valves, high-grade bicycle parts, automotive parts, machine components, etc