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Shanghai QueLong industry CO., LTD., professionally sales 557S bearing, 557S bearing information: model 557S inner diameter: 53.9750 outside diameter: 123.8250 thickness: 36.6780 brands: NSK bearing series: linear motion bearings, want to know more about 557S bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. 557S bearing using range is very wide, 557S bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales 557S bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.