Wholesale 604 Full Ceramic Si3N4 Bearing 4x12x4 Miniature-Pack of 20

604 Full Ceramic Ball Bearing, the inner diameter is 4mm, outer diameter is 12mm and the width is 4mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic.

• Item: 604 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Cage: PTFE
• Balls: Si3N4 Ceramic (Silicon Nitride)
• Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
• Dimensions: 4mm x 12mm x 4mm/Metric
• ID (inner diameter)/Bore: 4mm
• OD (outer diameter): 12mm
• Width/Height/thickness: 4mm
• Size: 4 x 12 x 4 mm
• Quantity: 20 Bearings