S90C353-7.5BI RC 90/22 MTC Colombo Spindle Motor – Used

Giordano Colombo


Giordano Colombo spindle motor, Colombo RC90/22 BI, double-ended, MTC (manual tool change), air-cooled, 7.5 hp / 5.6 kW, 460 V. Used.

Only 1 left in stock

04615 Techniks ER 25 Slotted Nut Wrench

04615 Techniks ER 25 slotted nut wrench, UM or RU nut type, 206mm x 65mm.

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Product Description

Used Colombo RC 90 22 BI MTC (manual tool change) electric spindle motor. Dual-ended, air-cooled, 7.5 hp / 5.6 kW, 460 V. Giordano Colombo model S90C353-7.5BI.

Additional Information

Weight 20 lbs
Dimensions 20 × 8 × 8 in

Giordano Colombo








460 V


5.6 kW, 7.5 hp

Cooling Method

Compressed Air

Maximum Output Frequency

300 Hz, 400 Hz

Tool Change


Giordano Colombo

Country/Region of Manufacture




Collet size

ER 25


18,000 RPM

RC 90/22 MTC Spindle Motor Specifications

  • Giordano Colombo
  • Model: S90C353-7.5BI
  • Power: 7.5 HP (5.5 kW)
  • Voltage Rating: 460 V
  • Current Rating: 11 Amps
  • Frequency Rating: 300/400 Hz

*Item was taken off a Royce CNC router.

ER 25 Collets and Collet Nuts

Spindle Motor Lead Time & Availability

Spindle motor lead time and availability varies up to a year. In stock motors can ship within a day or two. Out of stock motor lead times can vary from 4-6 weeks to 6-9 months or longer. We recommend keeping a spare CNC spindle motor on the shelf to avoid costly downtime. 

Colombo RC Series Spindle Motors – Compressed Air Cooling 

Giordano Colombo spindles are designed for applications on machines working wood, plastic, aluminum, light alloy, glass and marble. The frame is made from extruded aluminum bar or from heat treated special alloy aluminum ingot. The bearings are a precision angular contact type, with steel or ceramic balls and life lubrication with special grease for high speeds. 

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