This counter ring works alongside the axial seal to retain proper sealing pressure at the bearing housing, helping to keep the drum shaft properly supported and protected from water intrusion. It is a direct-fit replacement for a wide range of Primus, Lavamac, Imesa and Schulthess commercial washers. Compatible BrandsPrimus Maytag Lavamac Imesa Schulthess Replacement Part NumbersPRI530000030 23001212 FeaturesType: Counter Ring Inner Diameter: 90 mm (3.51") Outer Diameter: 112 mm (4.41") Width: 8.7 mm (0.35") Installation / Safety NotesUnplug the washer and wear appropriate protective gear such as gloves and eye protection before replacing this part. Compatible ModelsRS22 R22 RS50 R50 RS35 LN350 LM30 LM40 LM55 LM70 LM85 RC30 RC40 RC55 RC70 RC85 WSI-300 FS16 RS18 OEM / Generic NoteThis is a high-quality aftermarket replacement part.