1>what is the material of ball bearing?
Answers were Sorted based on User's Feedback
Answer / nadeem
it should have very good frictional resistance nad therefore
should be made of Mn-steel as in case of rails.
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Answer / yatin
it depends on which type of load,rpm,lubricant,temperature?
in short it depends on ur application.
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Answer / yogiraj yelpale
Common materials are hard chrome
steel 52100, C/S, 440C hard stainless steel and
carbonized high carbon steel. High speed steel
might be added to this list for severe and high
temperature applications.
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3>long form of plc?
what is the thickness tolerances up to 32 mm
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