10 Loose Ceramic Balls 1/4 = 6.35mm G5 Si3N4 ... -
This loose bearing ball is made of silicon nitride ceramic and has a G5 grade. It has a 1/4'/6.35 mm diameter. The ball is suitable for use in both single- and double-row ball bearings. The bearing has a grade of G5 for precision in size, sphericity (roundness), and surface integrity.
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