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词汇 Big end bearing
分类 英语词汇 英语翻译词典
释义

Big end bearing

英语百科

Crankpin

  Crankpins highlighted in blue
A crank pin of a ship steam engine with the lubricating system visible

In a reciprocating engine, the crankpins, also known as crank journals are the journals of the big end bearings, at the ends of the connecting rods opposite to the pistons.

If the engine has a crankshaft, then the crank pins are the journals of the off-centre bearings of the crankshaft. In a beam engine, the single crank pin is mounted on the flywheel; In a steam locomotive, the crank pins are often mounted directly on the driving wheels.

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