Common Designs
There are several common designs of ball bearing, each offering various trade-offs. They can be made from many different materials, including: stainless steel, chrome steel, and ceramic (silicon nitride (Si3N4)). A hybrid ball bearing is a bearing with ceramic balls and races of metal.
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“We are the creatures of imagination, passion, and self- will, more than of reason or even of self-interest.... Even in the common transactions and daily intercourse of life, we are governed by whim, caprice, prejudice, or accident. The falling of a teacup puts us out of temper for the day; and a quarrel that commenced about the pattern of a gown may end only with our lives.”
—William Hazlitt (1778–1830)
“Our remedies oft in ourselves do lie,
Which we ascribe to heaven. The fated sky
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Our slow designs when we ourselves are dull.”
—William Shakespeare (1564–1616)