499502-2RS Full Ceramic Ball Bearing, the inner diameter is 5/8" inch, outer diameter is 1 3/8" inch and the width is 7/16" inch, Bearing is made of Ceramic.

• Item: 499502-2RS Ball Bearing
• Type: Sealed Full Ceramic bearing
• Cage: PTFE
• Closures: PTFE Covers (white)
• Balls: ZrO2 Ceramic (zirconia)
• Inner/outer races: ZrO2 Ceramic
• Size: 5/8" x 1 3/8" x 7/16" inch
• Inner Diameter: 5/8" inch
• Outer Diameter: 1 3/8" inch
• Width: 7/16" inch
• Quantity: One Bearing