30-Pack Full Ceramic Miniature 684 ZrO2 Miniature Ball Bearings 4x9x4mm

Wholesale 684 Full Ceramic Ball Bearing, measures an inner diameter of 4mm, outer diameter is 9mm and the width is 4mm.

• 684 Ball Bearing
• Type:Full Ceramic Ball Bearing
• Brand: VXB
• Cage Material: PTFE (Polytetrafluoroethylene)
• Balls: Made from Zirconia Ceramic (ZrO₂)
• Races Material: Zirconia (ZrO₂) Ceramic
• Dimensions: 4mmx9mmx4mm
• Inner Diameter: 4mm
• Outer Diameter: 9mm
• Width: 4mm
• Quantity: 30 Bearings