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Question

Which of the following is antifriction bearing?

निम्नलिखित में से कौन-सा घर्षणरोधी बीयरिंग है?

A.

Needle bearing

B.

Pedestal bearing

C.

Collar bearing

D.

Hydrostatic bearing

Answer ( Option A)

Needle bearing

Solution

  • An antifriction bearing is a bearing that contains moving elements to provide a low friction support surface for rotating or sliding surfaces.
  • Antifriction bearings are commonly made with hardened rolling elements (balls and rollers) and races.
  • Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length like a needle.

Hence, the correct option is (A).

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