4 x 7 x 2 ABEC-3 Stainless Steel Ball Bearings, Bearings are made of Stainless Steel, inner diameter is 4mm, outer diameter is 7mm, and width is 2mm.

• Item: 4 x 7 x 2 Ball Bearings
• Type: Deep groove Ball Bearings
• Quality: ABEC-3
• Shields: Open
• Material: Stainless Steel
• Size: 4mm x 7mm x 2mm
• Inner Diameter: 4mm
• Outer Diameter: 7mm
• Width: 2mm
• Quantity: 10 Bearings
• Dynamic load rating Cr: 260 N
• Static load rating Cor: 110 N
• Limiting Speed:
  • Grease Lubrication: 64,000 RPM
  • Oil Lubrication: 76,000 RPM
• Packing: 10 bearings in One plastic tube
• KOYO: ML4007
• NSK: MR74
• NMB: L-740