693 Full Ceramic (Zirconium Oxide) Ball Bearing, the inner diameter is 3mm, outer diameter is 8mm and the width is 3mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic.

• Item: 693 Ball bearing
• Type: Full Ceramic Ball bearing
• Inner/outer races: ZrO2 (Zirconium Oxide) Ceramic
• Balls: ZrO2 (Zirconium Oxide) Ceramic
• Quantity:One ball bearing
• Cage: PTFE Cage
• Dimensions: 3mm x 8mm x 3mm/Metric
• ID (inner diameter)/Bore: 3mm
• OD (outer diameter): 8mm
• Width/Height/thickness: 3mm
• Size: 3 x 8 x 3 mm
• Highest Temperature: 356 F (degrees fahrenheit)=180 C (degrees Celsius)