SINGLE CUP SAPPHIRES

Single Cup Sapphire: -  Are generally used with a fine pointed pivot which has a smaller radius than that of the chosen sapphire cup.

They can also be used in a design that fits a ball bearing between two cup jewels.

They are widely used for vertical shaft applications requiring very long life and wear resistance along with consistency in result.

Typical applications: -  Meters, Compasses, Energy meters, Watt hour meters, Navigational Compasses, Water meters, Revolving Display columns etc.

Type Diameter 'A' Thickness 'B' Recess Depth 'C'  Recess Width 'D' Radius 'R'
S1 2.00 1.25 0.18 0.64 0.38
S2 3.00 1.50 0.45 2.20 1.80
S3 3.22 1.57 0.25 1.14 0.79
S4 3.40 1.65 0.45 2.30 1.70
S5 2.50 1.40 0.45 1.70 1.16
S6 3.00 2.00 0.53 2.00 1.40
S7 3.50 2.00 0.50 2.36 1.70
S8 4.00 2.00 0.55 2.80 1.90

All dimensions in millimetres

Other sizes available upon request

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