Shanghai QueLong industry CO., LTD., professionally sales NK21/20 bearing, NK21/20 bearing information: model NK21/20 inner diameter: 21.0000 outside diameter: 29.0000 thickness: 20.0000 brands: INA bearing series: linear motion bearings, want to know more about NK21/20 bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. NK21/20 bearing using range is very wide, NK21/20 bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales NK21/20 bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.