6304-2RS Sealed Ball Bearings, the inner diameter is 20mm, outer diameter is 52mm and the width is 15mm, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are made of Chrome Steel.

• Item: 6304-2RS Ball Bearings
• Type: Deep Groove Ball Bearings
• Size: 20mm x 52mm x 15mm
• Bearing Inner Diameter: 20mm
• Bearing Outer Diameter: 52mm
• Bearing Width: 15mm
• Closures: 2 Rubber Seals
• Lubrication: Self Lubricated (Grease)
• Quantity: 10 Bearings
• Dynamic load rating Cr: 15,900 N
• Static load rating Cor: 7,900 N
• Limiting Speed:
  • Grease Lubrication: 10,000 RPM
• Packing: 10 bearings packed individually each in a High density plastic bag.
• MARKING: 6304RS
• Equal: 6304-2RS1