2 Stainless Steel 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, 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.

• Item: Hybrid Ceramic Double Shielded Ball Bearings
• Type: Deep groove ball bearings
• Material: Stainless Steel
• Balls: Ceramic
• Closures: 2 Metal Shields
• Lubrication: Self Lubricated (Grease)
• Size: 4mm x 8mm x 3mm
• Quantity: 2 Bearings
• Fits: Tamiya, Kyosho
• 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