4 x 8 x 2 Full Ceramic Ball Bearing, the inner diameter is 4mm, outer diameter is 8mm and the width is 2mmm, Bearing is made of Ceramic.

• Item: 4 x 8 x 2 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Cage: PTFE
• Balls: ZrO2 Ceramic
• Inner/outer races: ZrO2 Ceramic
• Dimensions: 4mm x 8mm x 2mm/Metric
• ID (inner diameter)/Bore: 4mm
• OD (outer diameter): 8mm
• Width/Height/thickness: 2mm
• Size:4 x 8 x 2 mm
• Pack#8259
• Quantity:One Bearing