for Duncan & ProYo YoYos Bearing Pack of 10

10 Bearings YoYo Ball Bearings for ProYo and Duncan YoYos, Bearings are made of Chrome Steel and can rotate up to 71000 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
• Fits: ProYo & Duncan YoYos
• Type: Deep groove ball bearings
• Closures: 2 Metal Shields
• Lubrication: Self Lubricated (Grease)
• Quantity: 10 Bearings
• Packing: 10 bearings in 1 plastic tube