Shanghai QueLong industry CO., LTD., professionally sales BK4020 bearing, BK4020 bearing information: model BK4020 inner diameter: 40.0000 outside diameter: 47.0000 thickness: 20.0000 brands: FAG bearing series: linear motion bearings, want to know more about BK4020 bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. BK4020 bearing using range is very wide, BK4020 bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales BK4020 bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.