Shanghai QueLong industry CO., LTD., professionally sales 689 bearing, 689 bearing information: model 689 inner diameter: 9.0000 outside diameter: 17.0000 thickness: 4.0000 brands: NTN bearing series: linear motion bearings, want to know more about 689 bearing information, can undertake online consulting or dial the hotline, we will serve for you in detail. 689 bearing using range is very wide, 689 bearing is mainly used in engineering machinery, machine tools, steam car, metallurgy, mining, petroleum, machinery, electric power, railway and other industries, the company sales 689 bearing price reasonable, quality assurance, all aspects of the service, do everything to meet customer demand.