Item: MR63 CE Ball Bearing Type: Full Ceramic Ball Bearing Cage: PTFE Balls: ZrO2 zirconium oxide ceramic Inner/outer races: ZrO2 (zirconium oxide) Ceramic Dimensions: 3mm x 6mm x 2.5mm/Metric ID (inner diameter)/Bore: 3mm OD (outer diameter): 6mm Width/Height/thickness: 2.5mm Size: 2.5 mm Quantity: One Bearing
