B: 56mm SL1818 / 500E bearings used in automotive, mining and metallurgy, plastics machinery, axial load, hot and cold rolling mills, steel bearings, machine tool spindle bearings, construction machinery bearings, bearing large agricultural machinery, railway vehicles bearing, rolling mill roll neck bearings , reduction gear bearings front, rear, transmission, differential pinion shaft. Double row tapered roller bearing outer ring (or inner) is a whole. Two inner (or outer) face similar small. Dalian Li Jun bearings committed to providing customers with quality service, excellent quality Li Jun bearings to provide you with a great variety, in accordance with the requirements of customers customized bearings. We use the most advanced technology bainite hardening, Chinese engineers provide guidance services for your site. We support small-scale production, and can provide expedited product for you.