Roller Bearings

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Rolling-element bearings have the advantage of a good trade-off between cost, size, weight, carrying capacity, durability, accuracy, friction, and so on. Other bearing designs are often better on one specific attribute, but worse in most other attributes, although fluid bearings can sometimes simultaneously outperform on carrying capacity, durability, accuracy, friction, rotation rate and sometimes cost. Only plain bearings are used as widely as rolling-element bearings. Common mechanical components where they are widely used are - automotive, industrial, marine, and aerospace applications. They are products of great necessity for modern technology. The rolling element bearing was developed from a firm foundation that was built over thousands of years.

A rolling-element bearing, also known as a rolling bearing,is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two bearing rings called races. The relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding.
A rolling element rotary bearing uses a shaft in a much larger hole, and cylinders called "rollers" tightly fill the space between the shaft and hole. As the shaft turns, each roller acts as the logs in the above example. However, since the bearing is round, the rollers never fall out from under the load.

Bearing Number Bore Dia Outer DIa Width Size
CONSOLIDATED BEARING NU-216E C/4 Roller Bearings 19 mm 16 mm 25.8 mm 49 mm
CONSOLIDATED BEARING NU-219E M P/5 C/3 Roller Bearings 8 Nm 9 mm US208-24G2T20 54.9 mm
CONSOLIDATED BEARING NU-219E M C/5 Roller Bearings SCO204-20 31.5 mm 15 mm 0.57 kg
CONSOLIDATED BEARING NU-2232E M C/4 Roller Bearings 9 M5 Metric Series Provided
CONSOLIDATED BEARING NU-2203 M C/3 Roller Bearings 28 mm 19 mm 35.75 mm C306-
CONSOLIDATED BEARING NU-220E P/5 Roller Bearings 61 ~ 120 1045 Carbon Steel Bearings with Housin Square Type
CONSOLIDATED BEARING NU-220E M P/6 Roller Bearings Standard 30 Needle Roller Metric System
CONSOLIDATED BEARING NU-220E M P/5 C/2 Roller Bearings 7 Days Compact Type 41 Deep Groove Ball Bea
CONSOLIDATED BEARING NU-224E C/2 Roller Bearings 4 x 1 1570 rpm 5.25 in LSE504BR
CONSOLIDATED BEARING NU-224 M C/4 Roller Bearings 60 No No SH44M
CONSOLIDATED BEARING NU-224 M C/2 Roller Bearings 3.01 4.19 in 2650 rpm 6.01 in
CONSOLIDATED BEARING RSL18 3012 Roller Bearings Ball ZZ Flat Metric System