Axial Ball Bearing Fan BLOW 40×10 mm 12V — 40mm diameter, 10mm thickness, 12V DC

The BLOW axial ball bearing fan 40×10 mm 12V is a compact cooling component designed for small-form-factor applications. With a 40 mm diameter and 10 mm thickness, it runs on a 12 V DC supply and provides steady airflow for electronics that require reliable, continuous ventilation. The ball bearing construction offers improved rotational stability and longer service life compared with sleeve-bearing fans, making it suitable for installations where sustained operation and consistent performance are important.

Advantages

The ball bearing design reduces friction and maintains stable rotation over extended operating periods, which helps preserve airflow performance and reduces maintenance frequency. Its small 40×10 mm footprint enables installation in tight spaces and compact enclosures. The fan is compatible with standard 12 V DC systems, delivering a balance of airflow and power efficiency for small cooling tasks. Construction and dimensions simplify integration into single-board computer cases, small power supplies, and other compact electronic assemblies.

Suitable for

• Cooling single-board computers and small development boards
• Ventilation of compact enclosures and small cases
• Local cooling for power supplies, relays, and small electronics
• Air circulation in tight spaces where a low-profile fan is required

Key specifications

• Type: axial fan with ball bearings
• Dimensions: 40 mm diameter × 10 mm thickness
• Rated voltage: 12 V DC
• Form factor: low-profile, compact fan suitable for tight installations
• Duty: suitable for continuous operation with enhanced bearing life

How to use

Install the fan in the intended airflow orientation, ensuring intake and exhaust directions match the cooling layout of the device. Secure the fan using appropriate mounting points or brackets compatible with the 40 mm diameter size, and connect to a stable 12 V DC supply, observing correct polarity. Where applicable, use a compatible connector or soldered wiring with strain relief to prevent mechanical stress on terminals. Verify airflow direction and electrical connections before powering the system, and confirm there is adequate clearance for smooth rotation.

Usage recommendations

For optimal performance, place the fan to promote direct airflow across heat-generating components and avoid obstructing the blades. Maintain a dust-free environment or schedule periodic cleaning to preserve bearing life and airflow. When used continuously, monitor operating temperature and vibration; if unusual noise or reduced airflow occurs, inspect the fan and replace if necessary.