20-Pack Full Ceramic Miniature 684-2rs Sealed Si3N4 Miniature Ball Bearings 4x9x4mm

Wholesale 684-2rs Full Ceramic Ball Bearing, measures an inner diameter of 4mm, outer diameter is 9mm and the width is 4mm.

• 684-2rs Ball Bearing
• Type:Full Ceramic Ball Bearing
• Brand: VXB
• Cage Material: PTFE (Polytetrafluoroethylene)
• Balls: Si3N4 Ceramic
• Inner/outer races: Si3N4 Ceramic
• Dimensions: 4mmx9mmx4mm
• Inner Diameter: 4mm
• Outer Diameter: 9mm
• Width: 4mm
• Quantity: 20 Bearings