Train-Car Wheel Bearing Overheated Before Ohio Train Derailment, NTSB Finds

Train-Car Wheel Bearing Overheated Before Ohio Train Derailment, NTSB Finds Deep groove ball bearing

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An overheated component on a railcar carrying plastic pellets was the likely cause of a Norfolk Southern Corp. train derailment earlier this month, federal transportation officials said Thursday, an incident that created an environmental mess in a small Ohio town and that the railroad and state and federal officials are still trying to clean up.

Before the train carrying several cars of hazardous chemicals derailed Feb. 3, the crew received a warning in the train cab telling them to immediately slow and stop the train to conduct an inspection, according to a preliminary report from the National Transportation Safety Board. It was during the deceleration that the railcar wheel bearing failed, NTSB Chair Jennifer Homendy said during a press briefing.

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Bearing For Roller This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com.

Train-Car Wheel Bearing Overheated Before Ohio Train Derailment, NTSB Finds - WSJ