6004-2RS Sealed Ball Bearings, each bearing has 2 Blue Rubber Seals to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, the inner diameter is 20mm, outer diameter is 42mm and the width is 12mm, Bearings are made of Chrome Steel, Bearings are packed 10 bearings in one plastic tube.

• Item: 6004-2RS Ball Bearings
• Type: Deep Groove Ball Bearings
• Dimensions: 20mm x 42mm x 12mm/Metric
• Bearing Inner Diameter: 20mm
• Bearing Outer Diameter: 42mm
• Bearing Width: 12mm
• Size: 20 x 42 x 12 mm
• Material: Chrome Steel
• Closures: 2 Rubber Seals
• Lubrication: Self Lubricated (Grease)
• Dynamic load rating Cr: 9,400 N
• Static load rating Cor: 5,000 N
• Limiting Speed:
  • Grease Lubrication: 11,000 RPM
• Quantity: 10 Bearings
• Packing: 10 bearings packed individually each in a High density plastic bag.
• MARKING: 6004RS
• Equal: 6004-2RS1
• Fits: Athete Upgrade
• Equal: 6004-2RS1 & 6004-2RZ