R1038-2RS Sealed Ball Bearings, the inner diameter is 3/8", outer diameter is 5/8" and the width is 5/32" inch, this is a popular size that could be used in many applications, each bearing has 2 Rubber Sealed to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.

• Item: R1038-2RS Ball Bearings
• Type: Deep Groove Ball Bearings
• Closures: 2 Rubber Seals
• 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
• Quantity: 10 Bearings
• Fits: Kyosho
• Equal: R1038-2RS1 &R1038-2RZ