3 x 7 x 3 ABEC-3 Stainless Steel Ball Bearings, Bearings are made of Stainless Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.

• Item: 3 x 7 x 3 Ball Bearings
• Type: Deep Groove Ball Bearings
• Material: Stainless Steel
• Closures: 2 Metal Shields
• Lubrication: Self Lubricated (Grease)
• Size: 3mm x 7mm x 3mm
• Inner Diameter: 3mm
• Outer Diameter: 7mm
• Width: 3mm
• Quantity: 10 Bearings
• Dynamic load rating Cr: 310 N
• Static load rating Cor: 110 N
• Limiting Speed:
  • Grease Lubrication: 66,000 RPM
• Packing: 10 bearings in One plastic tube
• Fits: Tamiya
• KOYO: W683ZZ
• NSK: 683ZZ
• NMB: L-730ZZ