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If you are referring to an internal combustion engine they are also called the 'big ends'.

These are the bearings on the crankshaft and connecting rods, the bearings on the other end of the connecting rods are the 'small ends'.

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Why you need bearings?

Bearings help machines work smoothly and keep gears and machines that need bushings (with bearings in them) from wearing out too quickly. Bearings significantly reduce friction in working machines (with the help of a bit of oil and grease), thus reducing wear and tear--and reducing maintenance costs and times of repair.


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Do yaw bearings teeth point outward or indward on a wind turbine?

yes

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