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

• Type: Deep Groove Ball Bearing
• Item: 304PP Ball Bearing
• Lubrication: Self Lubricated (Grease)
• Dimensions: 20mm x 52mm x 15mm/Metric
• ID (inner diameter)/Bore: 20mm
• OD (outer diameter): 52mm
• Width/Height/thickness: 15mm
• Size: 20 x 52 x 15 mm
• Dynamic load rating Cr: 15,900 N
• Static load rating Cor: 7,900 N
• Limiting Speed:
  • Grease Lubrication: 10,000 RPM
• Quantity: One Bearing