MR73ZZ Shielded Ball Bearings, the inner diameter is 3mm, outer diameter is 7mm and the width is 3mm, Bearings are made of Chrome Steel, each bearing has 2 Metal Shielded to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.

• Item: MR73ZZ Ball Bearings
• Type: Deep Groove Ball Bearings
• Closures: Metal Sheilds
• Lubrication: Self Lubricated (Grease)
• Dimensions: 3mm x 7mm x 3mm/Metric
• ID (inner diameter)/Bore: 3mm
• OD (outer diameter): 7mm
• Width/Height/thickness: 3mm
• Size: 3 x 7 x 3 mm
• Quantity: 10 Bearings
• Dynamic load rating Cr: 310 N
• Static load rating Cor: 110 N
• Limiting Speed:
  • Grease Lubrication: 66,000 RPM
• Equal: MR73-2Z & MR73-ZZ
• Fits: Tamiya
• KOYO: W683ZZ
• NSK: 683ZZ
• NMB: L-730ZZ