693 Open Ball Bearing, this is a popular size that could be used in many RC Cars and Trucks, Bearing is made of Chrome Steel, inner diameter is 3mm, outer diameter is 8mm and width is 3mm.

• Item: 693 Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: Open
• Material: Chrome Steel
• Size: 3mm x 8mm x 3mm
• Inner Diameter: 3mm
• Outer Diameter: 8mm
• Width: 3mm
• Quantity: One Bearing
• Dynamic load rating Cr: 550 N
• Static load rating Cor: 170 N
• Limiting Speed:
  • Grease Lubrication: 64,000 RPM
  • Oil Lubrication: 76,000 RPM