S6903-2RS Premium ABEC-7 Stainless Steel Sealed Ball Bearing, Bearing is made of Stainless Steel, each bearing has 2 Rubber Seal to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item: S6903-2RS Ball Bearing
• Type: Deep Groove Ball Bearing
• Size: 17mm x 30mm x 7mm
• Inner Diameter: 17mm
• Outer Diameter: 30mm
• Width: 7mm
• Balls: Si3N4
• Quality: Premium ABEC-7
• Material: Stainless Steel
• Closures: 2 Rubber Seals
• Lubrication: Self Lubricated (Grease)
• Quantity: One Bearings
• Dynamic load rating Cr: 4,600 N
• Static load rating Cor: 2,550 N
• Limiting Speed:
  • Grease Lubrication: 23,000 RPM