311 KD Shielded Ball Bearing, bearing is made from Chrome Steel, each bearing has 2 Metal Shileds to protect the bearing from dust or any possible contamination, this is self lubricated bearing (bearing is already greased).

• Item: 311KD Ball Bearing
• Size: 55mm x 120mm x 29mm
• Type: Deep Groove Ball Bearing
• Closures: 2 Metal Shields
• Inner Diameter: 55mm
• Outer Diameter: 120mm
• Width: 29mm
• Dynamic load rating Cr: 71,500 N
• Static load rating Cor: 44,500 N
• Limiting Speed:
  • Grease Lubrication: 5,800 RPM
• Material: Chrome Steel
• Quantity: One Bearing