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8MM (.3150") Chrome Steel Ball Bearings BRAND NEW lot of 50 chrome steel ball bearings. MADE IN THE USA. These balls are metric class III, DIN 5401. This means that they must be round or spherical within .011mm. They are made of AISI 52100 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. (this posting is the responsibility of the poster) |
aisha_miller@dfwind.com (Aisha Miller) for more information. All emails will be forwarded to the poster's actual email address.
