SKF 6211-series hybrid ceramic deep groove ball bearing with ceramic rolling elements, steel rings, 2Z metal shields and C3 internal clearance. Bore is 55 mm, outside diameter 100 mm and width 21 mm. The hybrid arrangement provides electrical insulation between the raceways and reduced inertia relative to an all-steel bearing. Reported carbon footprint is 3.3593 kg CO2e per unit. Supplied under manufacturer part number MRC.211SFF-HYBÆ1, HS code 8482.10, country of origin United States.