Quantity per Package: 2 Pcs 
Material: 100% Chrome Steel
Protection: Rubber Seal on both sides
Greased / Lubricated: Yes
Bore (Inner) Diameter: 5/8" Inch
Outer Diameter: 1-3/8" Inches
Supported Revolutions per Minute (RPM): 23,000

PGN's 5/8" x 1-3/8" Flanged Ball Bearing 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.