Structure of bearing model 683zz :Inner & outer ring, cage, steel balls, grease, shield
Our bearing is pre-lubricated with grease,The main purpose of lubrication is to reduce friction that may cause premature failure.
Nylon plastic retainers,Use for high speed rotation and low noise levels (The ZZ shield cannot be removed, picture is for demonstration purposes).
Bearing is made of chrome steel material,The typical surface hardness for bearing components made from this material ranges from 60-64 on the Rockwell hardness C scale (Rc).
Bore Dia (d): 3.000 mm Outer Dia (D): 7.000 mm Width (B): 3.000 mm
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