MR3121.5 Full Ceramic Bearing 21.5x31x7

Full Ceramic Ball Bearing, the inner diameter is 21.5mm, outer diameter is 31mm and the width is 7mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic.

• Item: 6804 Modified Ball bearing
• Type: Full Ceramic Ball Bearing
• Balls: ZrO2 Ceramic
• Cage: PTFE
• Inner/outer races: ZrO2 Ceramic
• Dimensions: 21.5mm x 31mm x 7mm/Metric
• ID (inner diameter)/Bore: 21.5mm
• OD (outer diameter): 31mm
• Width/Height/thickness: 7mm
• Size: 21.5 x 31 x 7 mm
• Quantity: One ball bearing