Conic
Corundum Bearing
Material - synthetic corundum (leucosapphire).
Diameter- D, mm
2.0-2.5
Max deviation from diameter,
mm 0.04
h
Radius of the conic recess sphere, r mm 0.15-0.35 H
Max deviation from conic recess sphere radius 0.03-0.15
Height – H, mm
1.2-2.0
Max deviation from height, mm 0.6-0.0.10
Depth of the conic recess – h, mm 0.6-0.8
Max deviation from depth of the conic recess 0.05-0.15
Working surface roughness, Rz, mcm
0.16 D
Flat Corundum Supports
Material - synthetic corundum (leucosapphire).
Diameter- D, mm
1.2-5
Max deviation from diameter, mm 0.04-0.048
Height – H,
mm
1.2-1.6
H
Max deviation from height, mm 0.04-0.05
End face roughness, Rz , mcm 0.100
D
Double
sphere Corundum
Thrust Bearing
r2
Material - synthetic corundum (leucosapphire).
Diameter- D ,mm 2.5-3.0
Max deviation from diameter ,mm 0.04
Radius of the first sphere, r1 mm 1.2-1.7 h
Max deviation from first sphere radius mm 0.1 H
Height – H, mm
1.3-1.6
Max deviation
from height, mm
0.1
Depth of the sphere – h, mm 0.5
D
Radius of the second sphere, r2 mm
0.3-0.4
Max deviation
from second sphere radius
0.1
Max deviation
of the above, mm
0.100
Working surface roughness, Rz , mcm 0.100