Grade

Ball Dia. Variation Vdws

Deviation From Spherical Form ˇ÷ Sph

Surface Roughness Ra

Not larger than (um)

G3

0.08

0.08

0.012

G5

0.13

0.13

0.020

G10

0.25

0.25

0.025

G16

0.40

0.40

0.032

G20

0.50

0.50

0.040

Black silicon nitride ball, Gray silicon nitride ball, Zirconia ball Alumina ball

Material: silicon nitride (Si 3 N 4 ) , zirconia (ZrO 2 ) , and alumina ( Al 2 O 3 )

Specification: 0.3mm~60mm , with different gauge.

Precision: G3 ~ G20

Usage: for bearing, inspection, and other rolling conditions.