6211 Full Ceramic Ball Bearing, the inner diameter is 55mm, outer diameter is 100mm and the width is 21mm, Bearing is made of Ceramic.

• Item: 6211 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Inner/outer races: Si3N4 Ceramic
• Balls: Si3N4 Ceramic
• Cage: PTFE
• Dimensions: 55mmx100mx21mm/Metric
• ID (inner diameter)/Bore: 55mm
• OD (outer diameter): 100mm
• Width/Height/thickness: 21mm
• Quantity: 2 Bearings