📐 Basic Dimensions:

  • Inner Diameter (d): 20 mm
  • Outer Diameter (D): 47 mm
  • Width (B): 14 mm

⚙️ Structure & Material Information:

  • Design Type: Single-row deep groove ball bearing
  • Shielding: Double metal shields (ZZ)
  • Material: High carbon chromium bearing steel (GCr15)
  • Cage Material: Pressed steel
  • Precision Grade: ISO ABEC 3–ABEC 7 (customizable)
  • Clearance: Standard C0–C3

📦 Applications:
The KOYO 6204ZZ is commonly used in small motors, fans, power tools, inverters, printers, and household appliances where high-speed and low-noise operation are required.

🧠 Expert Insight:
With its dual metal shields, the KOYO 6204ZZ provides excellent protection against dust and particle contamination. Its reliable sealing performance and long grease life make it a go-to bearing for compact and durable mechanical assemblies.