What are the needle roller bearings? What types are they?

The roller of needle roller bearing is needle-shaped, the maximum diameter is 5mm, and the length is 3 to 10 times the diameter. Although the cross section of needle roller bearing is narrow, the load is larger than that of ordinary bearing with the same size and proportion. Because of the large number of needle rollers, high rigidity and small inertia, it is suitable for rocking motion.

Types: needle roller sleeve with cage

Solid needle roller bearing

Punched outer ring needle roller bearing

needle (roller) bearing

(zhangjiagang new precision bearing agent imports NTN NSK)

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