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Ball bearings or roller bearing
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..Ball
/roller bearing help to convert sliding friction into a milder form - rolling friction. Rolling friction is lesser than sliding frictio..
Some Special Alloy Steels
Name Composition Properties Uses Chrome steel 2 - 4% chromium High tensile strength Ball bearing, cutting tools such as files Tungsten steel 10 - 20% tungsten Retains hardness even at high temperatures Cutting tools for high speed lathes S..
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