6804 Full Ceramic Ball Beairng, bearing is Silicon Nitride with 14 Si3N4 Ceramic Balls. the inner diameter is 20mm, outer diameter is 32mm and the width is 7mm.

• Item: 6804 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Material: Full Ceramic Si3N4 (Silicon Nitride)
• Cage: PTFE
• Closures: Open
• Balls: 14 Ceramic Balls Si3N4 (Silicon Nitride)
• Dimensions: 20mm x 32mm x 7mm/Metric
• ID (inner diameter)/Bore: 20mm
• OD (outer diameter): 32mm
• Width/Height/thickness: 7mm
• Quantity: One Bearing