Axial Ball-Bearing Fan BLOW 70×15 mm 12V — compact 70mm cooling fan for electronics

The BLOW 70×15 mm 12V axial ball-bearing fan is a compact cooling solution for electronics and small enclosures. With a 70 mm diameter and 15 mm thickness, this 12V DC fan delivers steady airflow to reduce operating temperatures in constrained spaces. Ball-bearing construction provides enhanced service life and consistent rotation across different mounting orientations, making it suitable for continuous use in equipment where space and reliability are key.

Advantages

This compact fan combines a small footprint with durable ball-bearing mechanics to offer reliable cooling in tight installations. Its 12V DC operation enables easy integration with common power systems in PCs, routers, power supplies, and industrial control units. The slim 15 mm profile allows use in narrow slots or shallow enclosures without significant modification, while the axial design maintains directional airflow for targeted heat dissipation.

Suitable for

• Cooling small PC cases or compact builds
• Ventilation of power supplies and adapters
• Airflow in routers, switches and network equipment
• Cooling small industrial control units and embedded systems
• Replacement fan in devices with limited mounting depth

Key specifications

• Fan type: axial ball-bearing fan
• Outer dimensions: 70 mm diameter × 15 mm thickness
• Rated voltage: 12 V DC
• Mounting: standard screw-mount holes for small fans (compact form factor)
• Orientation: suitable for varied mounting orientations due to ball-bearing design
• Typical application: electronics cooling for confined spaces

How to use

Install the fan in the desired location ensuring the airflow direction matches the required intake or exhaust path. Secure the fan using appropriate screws or brackets to the mounting points in the enclosure, taking care not to overtighten. Connect the fan to a regulated 12V DC supply, observing correct polarity. If used in a PC or network device, connect to the designated fan header or power line; for continuous operation consider adding a simple speed controller or PWM regulator if required by the system. Ensure wiring is routed to avoid contact with the blades and maintain adequate clearance around the fan for unobstructed airflow.

Usage recommendations

For reliable long-term operation, mount the fan in a position that minimizes debris ingress and provides steady ambient airflow. Periodically inspect and clean the blades and intake area to prevent dust buildup. When replacing existing fans, verify the available depth and mounting hole spacing to ensure compatibility with the 70×15 mm profile.