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Ruby Ball 2.778mm
Min. Order:
1 Piece
Payment term:
T/T or Paypal or WesternUnion
Delivery time:
15 days
Technical Parameters:
Product Designations:
ball 2.778mm
Structure:
Ruby ball
Inside Diameter:
2.778 mm
Outside Diameter:
2.778 mm
Thickness:
2.778 mm
Weight:
0.00015 KG
Precision Rating:
G5,G10,G20,G50,G100
Bearing Material:
Red Ruby
Seals Type:
NO
High precision artificial corundum bearings, ruby bearings, sapphire bearings, glass bearings, glass ceramic bearings, natural agate bearings, ruby nozzles, sapphire nozzles. Applicable to jewelry, handicrafts, clocks and watches and clothing, instruments and meters and other industries, the size of stone bearings can be customized according to customer requirements.
We offer high quality sapphire and ruby nozzles. The nozzle diameter ranges from 0.80mm to 18.00mm. The nozzle thickness ranges from 0.20mm to 15.00mm. The shape of the nozzle includes straight hole, conical straight hole, spherical straight hole, arc hole shape, etc.
We offer high quality corundum bearings, including sapphire bearings and ruby bearings. The bearing diameter is from 0.80mm to 10.00mm. The bearing thickness is from 0.20mm to 8.00mm. The shape of the bearing includes taper, sphere, straight hole, plane and so on.
Characteristics of artificial sapphire and ruby:
Chemical composition: Al2O3
Mohs hardness: 9
Density: 3.98-4.1g/cm3
Color: white and red
Melting point: 2050 degrees C
Softening point: 1800 degrees C
Expansion coefficient: parallel optical axis: 6.7 * 10-6/ degrees C
Vertical axis: 5 * 10-6/ degrees C
Coefficient of thermal conductivity: 0.09 cal/sec.cm. degrees C (25 degrees C)
Knoop hardness: parallel optical axis::1800
Vertical axis::2200
We provide high quality agate bearings, materials are natural agate. The diameter of the agate bearings is from 1.00mm to 10.00mm. The bearing thickness is from 1.00mm to 8.00mm. The shape of the bearing includes taper, sphere, ring, plane and so on.
Characteristics of natural agate:
Chemical composition: SiO2
Mohs hardness: 7.0-7.5
Density: 2.65g/cm3
Color: translucent white
Refractive index: 1.530-1.550
Crystalline structure: crystalline
Luster: wax
Softening point: 1600 degrees
High quality glass ceramics bearings, transparent glass bearings, glass ceramic bearings. The diameter of glass bearings ranges from 1.20MM to 3.00mm. The thickness of glass bearings ranges from 1.20MM to 2.00mm. The shape of the bearing includes taper, sphere, plane and so on.
Characteristics of glass ceramics:
Chemical composition: SiO2, Al2O3, Li2O, TiO2, ZrO2, CaO, etc
Mohs hardness: 6.5--6.7
Density: 2.7g/cm3
Color: milky white
Softening point: 1250 degrees C
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