NKI25 / 30 Inner Ring 25*29*30 Needle Roller Bearings

NKI25/30 Needle Roller Bearings 25*29*30 Needle Roller Bearings With Inner Ring

Specifications,

1. Needle roller bearings are roller bearings with cylindrical rollers.

2. The rollers are thin and long relative to their diameter.

3. This type of roller is called a needle roller. Despite having a smaller cut

4. The bearing still has a high load bearing capacity.

5. The needle roller bearing is equipped with thin and long rollers (roller diameter D≤5mm, L/D≥2.5, L is the roller length), so radial

6. The structure is compact. When the inner diameter and load capacity are the same as other types of bearings, the outer diameter is the smallest. It is especially suitable for supporting structures with limited radial installation dimensions.

Features,

1. The friction coefficient of rolling bearings is smaller than that of sliding bearings, and the transmission efficiency is high. The friction coefficient of general sliding bearings is 0.08-0.12, while the friction coefficient of rolling bearings is only 0.001-

0.005;

2. Rolling bearings have been standardized, serialized and generalized, suitable for mass production and supply, and are very convenient to use and maintain;

3. Rolling bearings are made of bearing steel and are heat-treated. Therefore, rolling bearings not only have high mechanical properties and long service life, but also can save the manufacturing of sliding bearings, Non-ferrous metals that are more expensive;

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