The A90L‑0001‑0318 spindle motor cooling fan is an original Fanuc‑specification fan used to cool αi / α30‑, α50‑, and similar Fanuc spindle motors. It is mounted directly on or inside the spindle motor housing and provides forced‑air cooling for the windings, bearings, and power electronics, helping to maintain stable operating temperature and extend motor life under continuous high‑load machining.
This Fanuc 3‑phase fan uses 3‑phase AC power (200–230 VAC, 50/60 Hz) and is engineered for compact installation within the limited space of a spindle motor flange or enclosure. The IP65‑rated sealing protects the fan from dust, coolant mist, and vibration commonly found in CNC machining environments. The fan is typically available in variants such as /R (front‑exhaust) and /RW (rear‑exhaust) to suit specific spindle‑motor airflow‑path requirements.
Physically, the A90L‑0001‑0318 is a small, high‑efficiency blower‑type fan with a sturdy plastic or metal housing and plastic impeller, optimized for low‑noise operation and long‑term reliability. It is designed to mount easily via standard Fanuc‑spec mounting holes and connectors, minimizing downtime when replacing worn‑out spindle‑motor fans. With OEM‑grade performance and short lead times, this Fanuc spindle motor fan is the preferred choice for CNC spindle rebuilds, preventative maintenance, and machine‑tool servicing in manufacturing, automotive, and aerospace CNC fleets.