SKF 6304 ETN9/C3, Single row deep groove ball bearing, Open on both sides, 20 mm ID, 52 mm OD, 15 mm WD, Polymer Cage

Single row deep groove ball bearing.
Open type, no seals or shields.
Internal clearance C3: Bearing internal clearance greater than Normal.
Glass fibre reinforced polyamide 66 cage, rolling element centred.