R10 Full Complement Ceramic Ball Bearing, the inner diameter is 5/8", outer diameter is 1 3/8" and the width is 11/32", Bearing is made of Ceramic.

• Item: R10 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Cage: No Cage
• Closures: Open
• Balls: ZrO2 Ceramic
• Inner/outer races: ZrO2 Ceramic
• Size: 5/8" x 1 3/8" x 11/32" inch
• Inner Diameter: 5/8" inch
• Outer Diameter: 1 3/8" inch
• Width: 11/32" inch
• Quantity: One Bearing
• Highest Temperature: 356 (degrees fahrenheit) = 180 (degrees Celsius)