Wholesale 634 Full Ceramic Si3N4 Bearing 4x16x5 Miniature-Pack of 20

634 Full Ceramic Ball Bearing, the inner diameter is 4mm, outer diameter is 16mm and the width is 5mm, this is a popular size that could be used in many applications, Bearing is made of Ceramic.

• Item: 634 Ball Bearing
• Type: Full Ceramic Ball Bearing
• Cage: PTFE
• Balls: Si3N4 Ceramic (Silicon Nitride)
• Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
• Dimensions: 4mm x 16mm x 5mm/Metric
• ID (inner diameter)/Bore: 4mm
• OD (outer diameter): 16mm
• Width/Height/thickness: 5mm
• Size: 4x16x5
• Quantity: 20 Bearings