A90L-0001-0538/R RT5318-0220W-B30F-S11 AC200V 3-Phase Spindle Motor Fan for Fanuc

This replacement spindle motor cooling fan is designed for rear-exhaust Fanuc applications that specify A90L-0001-0538/R or RT5318-0220W-B30F-S11. It provides continuous airflow across the spindle motor during CNC machining, automated production and robotic machining cycles to help control operating temperature and reduce heat-related downtime.

Technical Specifications

• Part Number: A90L-0001-0538/R
• Fan Model: RT5318-0220W-B30F-S11
• Component Type: Industrial spindle motor cooling fan
• Fan Design: Circular axial-flow metal impeller
• Nominal Voltage: AC 200V
• Operating Voltage Range: AC 180V to 220V
• Phase: 3-phase
• Frequency: 50/60Hz
• Motor Structure: 3-phase 2-pole
• Exhaust Direction: Rear exhaust
• Fan Diameter: Approximately 134.5mm / 5.30 inches
• Overall Fan Height: Approximately 54mm / 2.13 inches
• Speed at 50Hz: Approximately 2,530 RPM
• Speed at 60Hz: Approximately 2,650 RPM
• Maximum Airflow at 50Hz: Approximately 2.34m³/min / 82.6 CFM
• Maximum Airflow at 60Hz: Approximately 2.41m³/min / 85.1 CFM
• Power Marking: 30/32W or 34/38W service-label variations are documented
• Bearing Type: Ball bearing
• Impeller Material: Steel
• Motor Protection: Integrated thermal protection
• Electrical Leads: Four-wire bare-lead configuration
• Operating Temperature Range: -20°C to +60°C
• Storage Temperature Range: -40°C to +70°C
• Approximate Weight: 670g
• Related Fan Assembly: A290-1404-T500
• Related Fan Cover: A290-1404-X501

Interchangeable / Replacement Part Numbers

A90L-0001-0538/R, A90L-0001-0538#R, A90L00010538R, RT5318-0220W-B30F-S11

Industrial Applications and Use Cases

• Replacement of a failed, noisy, seized or intermittently operating spindle motor fan
• Cooling for CNC machining-center spindle motors during extended production cycles
• CNC milling, drilling, boring and high-speed machining applications
• CNC lathe and turning-center spindle cooling
• Robotic machining cells using the specified Fanuc spindle motor assembly
• Automated manufacturing, transfer-line and flexible production systems
• Industrial automation equipment operating the documented 200VAC spindle motor configuration
• Preventive maintenance during planned machine-tool service intervals
• Restoration of proper airflow after spindle overheating or fan-performance alarms

✅ Confirmed Compatibility

Compatibility is determined by the complete fan number, spindle motor model, exhaust direction, dimensions and wiring configuration. The machine-tool model alone is not sufficient for identification.

✔️ Fanuc A90L-0001-0538/R and A90L-0001-0538#R: Direct rear-exhaust fan-number match
✔️ Fanuc RT5318-0220W-B30F-S11: Exact fan-model match
✔️ Fanuc A290-1404-T500: Documented rear-exhaust fan assembly using A90L-0001-0538/R
✔️ Fanuc A290-1404-X501: Associated fan-cover reference for the documented assembly
✔️ Fanuc Alpha-iI 200V Spindle Motors: Alpha-iI 2/10000, Alpha-iI 2/20000, Alpha-iI 3/10000 and Alpha-iI 3/12000 rear-exhaust configurations
✔️ Fanuc Alpha-C 200V Spindle Motors: Alpha-C2/6000i and Alpha-C3/6000i rear-exhaust configurations
✔️ Fanuc Alpha-iI-B 200V Spindle Motors: Alpha-iI 2/10000-B, Alpha-iI 2/20000-B and Alpha-iI 3/15000-B rear-exhaust configurations
✔️ Fanuc Beta-iI 200V Spindle Motors: Beta-iI 3/10000 and Beta-iI 6/10000 rear-exhaust configurations
✔️ Fanuc Beta-iI-B 200V Spindle Motors: Beta-iI 3/12000-B and Beta-iI 6/12000-B rear-exhaust configurations
✔️ Industrial Equipment Applications: CNC machining centers, CNC turning centers, robotic machining stations and automated production equipment using one of the exact fan or spindle-motor references above

☑️ Key Features

☑️ Designed for AC 200V 3-phase industrial spindle applications
☑️ Approximately 135mm metal impeller for concentrated spindle-motor airflow
☑️ Rear-exhaust configuration corresponding to the /R part-number suffix
☑️ Approximately 82.6 to 85.1 CFM maximum airflow depending on line frequency
☑️ Ball-bearing construction for continuous industrial operation
☑️ Integrated thermal motor protection
☑️ Four-wire lead arrangement for connection to the existing machine wiring
☑️ Suitable for CNC, robotics and automated manufacturing equipment using the documented Fanuc spindle assembly

⚙️ Fit Notes

• Confirm the complete A90L-0001-0538/R and RT5318-0220W-B30F-S11 markings before installation.
• The /R suffix identifies the documented rear-exhaust configuration.
• A90L-0001-0538/F is a front-exhaust configuration and should not be substituted without confirming the required airflow direction.
• A90L-0001-0538/RL and RT5318-0220W-B30F-S12 use a different configuration and should not be treated as direct replacements for the /R and S11 versions.
• Other AC 200V spindle fans—including A90L-0001-0515/R, A90L-0001-0516/R, A90L-0001-0537/R and A90L-0001-0548/R—use different dimensions, airflow ratings or motor assemblies and are not direct substitutes.
• This fan is approximately 134.5mm in diameter. Larger 175mm spindle fans are not mechanically interchangeable.
• The replacement uses four bare electrical leads. The installer must verify phase wiring, grounding and lead termination against the removed fan and machine documentation.
• The external fan cover, mounting hardware and machine-side connector are not included unless specifically pictured.
• Some spindle motor drawing numbers ending in B9xx may use different service parts. Confirm the complete motor drawing number when applicable.
• This is a spindle motor cooling fan, not a general control-cabinet or servo-amplifier fan.