Roller Bearings

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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.

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.

EBC B-47 Roller Bearings

22 mm 50
39,5 kN INA

BEARINGS LIMITED B-2012-OH Roller Bearings

0.0118 in Click here
Galvanized Steel 2.0000 in

BEARINGS LIMITED 33205 Roller Bearings

7-1/2 in 44400 lb
5.5000 in Lubrication Fitting

BEARINGS LIMITED 22222 MC3W33 Roller Bearings

R154.51 VKBA 3549
5451 CX513


Straight 300 mm
2160000 N Lubrication Groove &

NTN J-281256 Roller Bearings

90 mm Phenolic Resin
-30 to +100 &de 31.5 kN

NTN J-241648 Roller Bearings

KJ40X47X28.8 47,000
40,000 47,000 mm

BEARINGS LIMITED HK1412 Roller Bearings

310x200x109 310 mm
1353 kN 0.33

BEARINGS LIMITED 6218 2RSNR Roller Bearings

3200 r/min 1,05 Kg
65x110x28 110 mm


NSK 15 mm
84 32 mm

BEARINGS LIMITED 6205 2RS NR C3 Roller Bearings

33 42.00
20.0000 17,000

PCI CTR-1.25-SS Roller Bearings

110 22 mm
155 mm 110x260x112