16004-2RS Sealed Ball Bearing, the inner diameter is 20mm, outer diameter is 42mm and the width is 8mm, Bearing is made of Chrome Steel, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item: 16004-2RS Ball Bearing
• Type: deep groove ball bearing
• Closures: Rubber Seals
• Lubrication: Self Lubricated (Grease)
• Size: 20mm x 42mm x 8mm
• Inner Diameter: 20mm
• Outer Diameter: 42mm
• Width: 8mm
• Dynamic load rating Cr: 7,900 N
• Static load rating Cor: 4,500 N
• Limiting Speed:
  • Grease Lubrication: 18,000 RPM
• Quantity: One Bearing