Full Ceramic Ball Bearings, the inner diameter is 5, outer diameter is 10 and the width is 4, this is a popular size that could be used in many applications, Bearings are made of Ceramic.

• Item: Sealed All ceramic Ball bearings
• Type: Sealed Full Ceramic bearing
• Quantity: One ball bearing
• Bearing Size: 5mm x 10mm x 4mm
• Dimensions: 5*10*4 mm/Metric
• ID (inner diameter)/Bore=5mm
• OD (outer diameter)=10mm
• Width/Height/thickness=4mm
• Inner/outer races: ZrO2 Ceramic
• Balls: ZrO2 Ceramic (zirconia)
• Cage: PTFE
• Closures: PTFE Covers (white)