6903ZZ Shielded Ball Bearings, the inner diameter is 17mm, outer diameter is 30mm and the width is 7mm, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, Bearings are made of Chrome Steel, also bearings are pre-lubricated with grease.

• Item: 6903ZZ Ball Bearings
• Type: Deep Groove Ball Bearings
• Closures: Metal Shields
• Lubrication: Self Lubricated (Grease)
• Size: 17mm x 30mm x 7mm
• Bearing Inner Diameter: 17mm
• Bearing Outer Diameter: 30mm
• Bearing Width: 7mm
• Quantity: 10 Bearings
• Dynamic load rating Cr: 4,600 N
• Static load rating Cor: 2,550 N
• Limiting Speed:
  • Grease Lubrication: 24,000 RPM
• Packing: 10 bearings in One plastic tube
• Equivalents: 61903-2Z1 and 61903Z1 Bearings