6011 Full Ceramic Ball Bearing, the inner diameter is 55mm, outer diameter is 90mm and the width is 18mm, Bearing is made of Ceramic.

• Item: 6011 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Inner/outer races: Si3N4 Ceramic
• Balls: Si3N4 Ceramic
• Cage: PTFE
• Dimensions: 55mmx90mmx18mm /Metric
• ID (inner diameter)/Bore: 55mm
• OD (outer diameter): 90mm
• Width/Height/thickness: 18mm
• Quantity: 4 Bearings