4304 Double Row Open Ball Bearing, Bearing inner diameter is 20mm, Bearing outer diameter is 52mm and Bearing Width is 21mm, bearing is made from Chrome Steel.

• Item: 4304 Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: Open
• Size: 20mm x 52mm x 21mm
• Bearing Inner Diameter: 20mm
• Bearing Outer Diameter: 52mm
• Bearing Width: 21mm
• Dynamic load rating Cr: 18720 N
• Static load rating Cor: 12800 N
• Limiting Speed:
  • Grease Lubrication: 7600 RPM
  • Oil Lubrication: 9600 RPM
• Quantity: One Bearing