SMR84ZZ Ball Bearing Stainless Steel Ball Bearings, this is a popular size that could be used in many miniature applications that requires this ID 4mm x OD 8mm and 3mm wide. Bearings are made of Stainless Steel Bearing has 2 Metal Shield to protect the bearing from dust or any possible contamination.

• Item: SMR84ZZ Double Shielded Ball Bearings
• Size: 4mm x 8mm x 3mm
• Type: Deep groove ball bearings
• Material: Stainless Steel
• Closures: 2 Metal Shields
• Quantity: One Bearing.