2 Pack PGN - 6004-ZZ Shielded Ball Bearing - 20x42x12 - Lubricated - Chrome Steel

Model: 6004 ZZ Quantity per Package: 2 Pcs Material: 100% Chrome Steel Protection: Metal Shield on both sides Greased / Lubricated: Yes Bore (Inner) Diameter: 20 mm Outer Diameter: 42 mm Width (Thickness): 12 mm Supported Revolutions per Minute (RPM): 21,000 PGN’s 6004 ZZ (20x42x12) is a single-row bearing that supports radial loads, made with Chromium Steel providing superior quality and durability. It comes pre-lubricated and shielded to keep the lubricant in and contaminants, dirt and debris out.