R4ZZ CERAMIC SI3N4 Shielded Ball Bearing, this is a popular size that could be used in many applications, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item: R4ZZ Ball Bearing
• Type: Deep Groove Ball Bearing
• Balls: CERAMIC SI3N4
• Closures: Metal Shields
• Lubrication: Self Lubricated (Grease)
• Inner Diameter: 1/4" inch
• Outer Diameter: 5/8" inch
• Width: 0.196" inch
• Size: 1/4" x 5/8" x 0.196" inch
• Dynamic load rating: 148 KGF
• Static load rating: 62.1 KGF
• Quantity: One Bearing