This 2.2kW air cooled square spindle is designed for CNC routers and milling machines, offering reliable high-speed operation without the need for a water cooling system. The square-body design provides excellent rigidity and is easy to mount, making it suitable for both DIY and professional CNC builds.

Using an ER20 collet system, it supports a wide range of tool shank sizes. The spindle is built with C7002 and C7005 high-precision bearings for smooth operation, durability, and accurate cutting performance.

Includes: 1× 2.2kW Air Cooled Square Spindle

Specifications:

• Power: 2.2kW

• Voltage: 220V

• Current: 8A

• Collet: ER20

• Bearings: C7002 × 2 + C7005 × 2

• Speed: 0–24,000 RPM

• Frequency: 0–400Hz

• Runout: < 0.005mm

• Cooling: Air Cooled (no water pump required)

• Body Style: Square