A main bearing consists of two shells which are secured by means of studs and （）.
A main bearing consists of two shells which are secured by means of studs and （）.
The shells are secured by means of bearing caps and studs， the necessary clearance being provided by means of （） of different thickness.
The shells are secured by means of bearing caps and studs， the necessary clearance being provided by means of （） of different thickness.
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