RT5318-0220W-B30F-S13W Spindle Cooling Fan A90L-0001-0538

Description:

The RT5318-0220W-B30F-S13W Spindle Cooling Fan is used in CNC spindle motor systems to provide forced-air cooling for high-speed spindle operation. It is commonly installed in FANUC spindle motor assemblies where stable thermal management is required to prevent overheating, maintain torque stability, and ensure continuous machining performance. Maintenance technicians and CNC service engineers use this fan for spindle motor repair, cooling system replacement, and restoration of proper airflow in machine tool spindle assemblies.

Applications:

The RT5318-0220W-B30F-S13W spindle cooling fan is commonly used in FANUC CNC spindle motor systems, including FANUC Alpha i spindle motors and related machine tool spindle assemblies where continuous cooling airflow is required to maintain stable operating temperatures during high-speed cutting, milling, and turning operations in industrial CNC machining environments.

Technical Specifications:

• Manufacturer: Minebea Mitsumi / FANUC OEM equivalent
• Model / Part number: RT5318-0220W-B30F-S13W
• Cross reference: FANUC A90L-0001-0538
• Product type: AC spindle cooling fan / axial cooling motor fan
• Rated voltage: 200–220 V AC
• Phase: 3-phase AC motor fan
• Power consumption: ~30–32 W
• Frequency: 50/60 Hz
• Construction: Enclosed AC motor with metal impeller
• Airflow type: Axial cooling airflow for spindle motor housing
• Mounting: Spindle motor rear-mounted cooling assembly
• Function: Thermal management and cooling of CNC spindle motors
• Speed: ~2500–2700 RPM (model dependent)
• Application environment: CNC machining centers and industrial machine tools

Common Replacements:

• FANUC OEM spindle cooling fan A90L-0001-0538 (direct OEM equivalent)
• Minebea RT5318 series AC spindle fan (same platform family)
• Aftermarket CNC spindle cooling fan assemblies for FANUC Alpha i motors