Full Ceramic Ball Bearing, the inner diameter is 4mm, outer diameter is 7mm and the width is 2mm, This a popular size that could be used in many applications.

• Item: 4 x 7 x 2 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Inner/outer races: ZrO2 Ceramic
• Balls: ZrO2 Ceramic
• Cage: PTFE
• Dimensions: 4mm x 7mm x 2mm/Metric
• ID (inner diameter)/Bore: 4mm
• OD (outer diameter): 7mm
• Width/Height/thickness: 2mm
• Size: 4 x 7 x 2 mm
• Quantity: One Ball Bearing