precision oil bearing inner diameter 2 outer diameter 5 height 4.2 outer diameter 8 groove sliding bearing 精密含油轴承 内径2 外径5 高度4.2 外径8槽 滑动轴承

Precision oil-containing bearings

Material: Iron-copper base.

Specifications:

Inner diameterΦ2(+0.008/+0.003)

Outer diameter Φ5 (+0.02/+0.01), with 8 grooves on the outer diameter.

Thickness: 4.2±0.05mm

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Features of oil-bearing bearings:
    Oil-lubricated bearingsFeatures such as low cost, vibration absorption, low noise, and the need for no lubrication during extended operation make it particularly suitable for working environments where lubrication is difficult or prohibited from being contaminated by oil. Porosity is an important parameter for oil-impregnated bearings. Oil-impregnated bearings operating at high speeds and low loads require a high oil content and a higher porosity; those operating at low speeds and with heavy loads require high strength and a lower porosity. These bearings were invented in the early 20th century and have been widely used due to their low manufacturing cost and ease of use. Now, they have become an essential basic component for the development of various industrial products such as automobiles, home appliances, audio equipment, office equipment, agricultural machinery, and precision machinery.