SMR52ZZ Stainless Steel Premium ABEC-5 Ball Bearing, Bearing id made of Stainless Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings, with Premium ABEC-5 quality.

• Item: SMR52ZZ Ball Bearing
• Type: Deep Groove Ball Bearing
• Dimensions: 2mm x 5mm x 2.5mm/Metric
• ID (inner diameter)/Bore: 2mm
• OD (outer diameter): 5mm
• Width/Height/thickness: 2.5mm
• Size: 2 x 5 x 2.5 mm
• Lubrication: Grease
• Quality: Premium ABEC-5
• Closures: 2 Metal Shields
• Material: Stainless Steel
• Balls: Si3N4 Ceramic Balls (Silicon Nitride)
• Quantity: One Bearing