Quality Lot of 10 bearings Wheel Ball Bearings for many applications, this is a popular size that could be used in many RC Cars and Trucks, or any application that uses this size 4mm x 8mm x 3mm. inner diameter is 4mm, outer diameter is 8mm, and width is 3mm. These Bearings are made of Chrome Steel and can rotate up to 85000 rpm, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube.

• Item: Double Shielded Ball Bearings
• Size: 4mm x 8mm x 3mm
• Type: Deep groove ball bearings
• Closures:  Metal Shields
• Lubrication: Self Lubricated (Grease)
• Quantity: 10 Bearings