The 626ZZ is a miniature deep-groove ball bearing with key dimensions of 6mm inner diameter, 19mm outer diameter, and 6mm thickness; the "ZZ" designation indicates a double-sided metal dust shield configuration.
📏 Key Dimensional Parameters
Inner Diameter (d): 6mm
Outer Diameter (D): 19mm
Thickness (B): 6mm
Weight: Approx. 8.1–9g
⚙️ Performance Parameters
Basic Dynamic Load Rating (Cr): 2.34–2.90 kN
Basic Static Load Rating (Cor): 0.885–1.05 kN
Limiting Speed (Grease Lubrication): 28,000–35,000 r/min
Limiting Speed (Oil Lubrication): 36,000–40,000 r/min
🔧 Installation & Fitting Parameters
Minimum Shaft Shoulder Diameter (Da): 8.0mm
Maximum Housing Shoulder Diameter (Da1): 17.0mm
Maximum Fillet Radius (ra): 0.30mm
📌 Basic Characteristics
Type: Single-row deep-groove ball bearing with double-sided metal dust shields (blocks over 80% of dust ingress)
Applications: Miniature motors, cooling fans, small industrial equipment, skateboard wheels, and other general-purpose applications
