Pack of 2 Stainless Steel 4x8 Ball Bearings with Ceramic Balls , this is a popular size that could be used in many application that uses this size 4mm x 8mm x 3mm. Bearings are made of Stainless Steel and can rotate up to 100,000 rpm, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease,  Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings.

• Type: 4x8 Hybrid Ceramic Bearing
• Item: Double Shielded Ball Bearings
• Size: 4mm x 8mm x 3mm
• Type: Deep groove ball bearings
• Material: Stainless Steel
• Balls: Ceramic
• Closures: Metal Shielded
• Fits: Tamiya, Kyosho
• Lubrication: Self Lubricated (Grease)
• Quantity: 2 Bearings
• FITS: CENTURY NINJA PRO 30-46
• FITS: COX BANITO ULTRA STOCK
• FITS: COX SCORPION
• FITS: COX TOMAHAWK
• FITS: DIALED LIGHTNING
• Fits Yoyo Bearing: Yomega YOYO
• FITS: HPI  RS4
• FITS: SCHUMAKER CAT 2000
• FITS: COUGAR 2000
• FITS: STORM TRUCK 2000