New (2) 1-1/16" chrome steel bearing balls, grade 25,

New (2) 1-1/16" chrome steel bearing balls, grade 25,

(2) 1-1/16" Chrome Steel Bearing Balls, Grade 25, NEW
MADE IN USA, from the HIGHEST QUALITY STEEL!
1.0625" Chrome Steel Ball Bearings
BRAND NEW lot of 2 chrome steel ball bearings. MADE IN THE USA. These balls are Grade 25. This means that they must be round or spherical within 25 millionths (.000025) of an inch . They are made of AISI 52100 Chrome Alloy 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.
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