Set of 10 Ball Bearings with Ceramic Balls R1038ZZ, this is a popular size that could be used in many application that uses this size 3/8"x 5/8"x 5/32" inch. each bearing has 2 metal shields to protect the bearings from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings

• Item: R1038ZZ Ball Bearings
• Type: Deep Groove Ball Bearings
• Balls: Ceramic
• Closures: 2 Metal Shields
• Lubrication: Self Lubricated (Grease)
• Dimensions: 3/8" x 5/8" x 5/32" English Size
• ID (inner diameter)/Bore: 3/8" inch
• OD (outer diameter): 5/8" inch
• Width/Height/thickness: 5/32" inch
• Size: 3/8" x 5/8" x 5/32" inch
• Speed: 50,000 RPM
• Quantity: 10 Bearings
• Packing: 10 bearings in One plastic tube
• Equal: R1038-2Z &R1038-ZZ
• Fits: Kyosho