R168ZZ Shielded Ball Bearings With Ceramic Balls, this is a popular size that could be used in many application that uses this size 1/4"x 3/8"x 1/8", 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: R168ZZ Ball Bearings
• Type: Deep Groove Ball Bearings
• Material: Chrome Steel
• Balls: Ceramic
• Closures: 2 Metal Shields
• Lubrication: Self Lubricated (Grease)
• Dimensions: 1/4" x 3/8" x 1/8" inch English Size
• ID (inner diameter)/Bore: 1/4" inch
• OD (outer diameter): 3/8" inch
• Width/Height/thickness: 1/8" inch
• Size: 1/4" x 3/8" x 1/8"
• Quantity: 10 Bearings
• Dynamic load rating: 60 LBS
• Static load rating: 31 LBS
• Fits: Tamiya, Kyosho, YoYo Jam, SF2, Matrixx, Renegade, Eclipse, ElementX
• Equal: R168-2Z &-168-2Z