R16 Full Complement Ceramic Ball Bearing Silicon Nitride, the inner diameter is 1" inch, outer diameter is 2" inch and the width is 1/2" inch, Bearing is made of Silicon Nitride Ceramic.

• Item: R16 Ball Bearing
• Type: Full Complement Ceramic Silicon Nitride Ball Bearing
• Balls: Si3N4 Ceramic (Silicon Nitride)
• Cage: No Cage
• Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
• Size: 1" x 2" x 1/2" inch
• Inner Diameter: 1" inch
• Outer Diameter: 2" inch
• Width: 1/2" inch
• Quantity: One bearing
• Highest Temperature: 1472 Degrees F
• Non-Magnetic
• Non-Conductive