Due to its excellent mechanical properties and high hardness (Mohs hardness 9), sapphire and ruby are commonly used in many instruments, watches and wear-resistant parts. V-type and U-type bearings are widely used in flow meters, electric meters and water meters.
Materials: Artificial sapphire or ruby single crystal A-Al2O3, natural agate, glass-ceramics and ceramics.
Outer diameter: 0.80 ~ 10.00mm,
The maximum outer diameter deviation is: h7 ~ h9
Height H: 0.60 ~ 5.00mm,
The maximum height deviation is: ± 0.01
Depth of depression h: 0.20 ~ 0.80mm,
The maximum depression depth deviation is: 0 ~ 0.06
Bending radius SR: 0.60 ~ 5.00mm,
The deviation of the maximum bending radius is: ± 0.03
Cone angle: 60 ° ~ 120 °,
The maximum cone angle deviation is: ± 5 °