Shanghai QueLong industry CO., LTD., professionally sales R4B bearing, R4B bearing information: model R4B inner diameter: 6.3500 outside diameter: 15.8750 thickness: 4.9780 brands: NSK bearing series: linear motion bearings, want to know more about R4B bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. R4B bearing using range is very wide, R4B bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales R4B bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.