Shanghai QueLong industry CO., LTD., professionally sales R4A bearing, R4A bearing information: model R4A inner diameter: 6.3500 outside diameter: 19.0500 thickness: 5.5500 brands: NSK bearing series: linear motion bearings, want to know more about R4A bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. R4A bearing using range is very wide, R4A bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales R4A bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.