S684ZZ Ceramic Premium ABEC-5 Bearing Shielded 4x9x4 Bearing

S684ZZ Stainless Steel Ball Bearing with Ceramic Balls Premium ABEC-5 quality, Made of stainless steel, each Comes with double metal shields (ZZ) to keep out dust and dirt, Ceramic Balls are the highest standard of balls that can make your bearing lives at least 5 times more than any other bearings.

• Item:S684ZZ Ball Bearing
• Deep Groove Ball Bearing
• Lubrication: (Dry)
• Quality: Premium ABEC-5
• Material: Stainless Steel
• Shield Double Metal Shields for dust protection (ZZ)
• Balls: Si3N4 Ceramic Balls (Silicon Nitride)
• Dimensions: 4mm x 9mm x 4mm/Metric
• ID (inner diameter)/Bore: 4mm
• OD (outer diameter): 9mm
• Width: 4mm
• Size: 4 x 9 x 4 mm
• Quantity: 1 Bearing