Precision Bearing Balls
We carry a wide range of precision balls
in chrome steel, bronze, stainless steeltungsten carbide and carbon steel.
toll-free: 800.327.7424 8-5, M-F CST
Grade: The designation assigned, based upon a combination of dimensional accuracy and surface roughness.
Deviation from Spherical Form: Measurement of the lack of roundness from the ideal spherical form.
Lot Diameter Variation: Measured dimensional difference between the largest and smallest balls as produced in a group / heat.
Nominal Ball Diameter Tolerance: The measured minimum and maximum variation in diameter from the ideal dimension.
Maximum Surface Roughness: Largest measured Irregularities determined from an ideal smooth form.
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