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

 

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