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> (50) 1.5MM chrome steel bearing balls, 1.5 mm, metric
(50) 1.5MM chrome steel bearing balls, 1.5 mm, metric
1.5MM (.0591") Chrome Steel Ball Bearings
BRAND NEW lot of 50 chrome steel ball bearings. Made of E52100 Alloy Steel. Bearing-quality chrome-finished steel balls that are through-hardened. Rockwell hardness is C60-C67. Balls are Grade 25, with a diameter tolerance of ±0.0001" and a sphericity of 0.000025". Hardened ground chromium steel that offers high hardness and excellent resistance to wear and deformation. They have a tensile strength of 325,000 psi. This is the finest bearing quality steel. 52100 material is specified by precision bearing manufacturers where precise spherical and tolerance accuracy are required.