Differences of ball bearings and roller bearings

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Ball bearings and roller bearings are all bearing, a rolling body is a ball in the most simple terms, is the Ball. Another rolling body is the steel column.

Ball bearings:

Rolling bearing a ball loaded, including in the middle of the rim and the outer rim, able to withstand greater loads. Also known as ball bearings.thin ball bearings

Ball bearings mainly contains four basic components: the ball (ball), the inner ring (innerring), the outer ring (the outerring) and the holder (cageorretainer), as shown. Ball bearings for general industrial use meet AISI52100 standard, ball and ring usually high chromium steel Rockwell hardness (RockwellC-scalehardness), approximately between 61-65. Maintain hardness compared to low-ball and ring material metal (such as: in carbon steel, aluminum) or nonmetallic (such as: Teflon PTEF, polymer materials). Rolling (rollingbearing) than journal bearing (journalbearing), rotational frictional resistance is small, and therefore the same speed, due to the temperatures generated by friction will be relatively low.ball bearing screw