2.2kw Air cooled square spindle (ER20)

2.2kw Air cooled square spindle (ER20)



These square/rectangular spindles are typically used in commercial CNC routers due to their sturdy mounting platform, rigid design and surprizingly low run out. They have 4 carbon steel ball bearings supporting the spindle shaft providing a run out less than 0.01mm.


The power connector used on these spindles is extremely sturdy and has a locking clasp for reliability.  


The 0.8 and 1.5kw version of these spindles accept ER11 collets. The 2.2kw version and greater use ER20 collets.



Cooling: Air-cooled

Speed: 0-24000rpm

Current: 6A @ 220V 3 phase (From VFD)

Runout out: less than 0.01mm

Operating Frequency:400Hz

Collet: ER20


Please Note

Under Australian law, these kits require installation by a licensed electrician or certified person who can test if the product is safe for use. Failure to provide a proof of receipt from a licensed electrician will void any warranty on your purchase.


This product may be shipped directly from our quality controlled suppliers factory to your door depending on our stock levels. Check our shipping facts HERE


No wiring is supplied with with Unit. If you wish to purchase some spindle cable suitable for this spindle then check out our high quality VFD cable here

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    CNC3D is proudly an Australian owned and operated business | ABN: 15 928 971 235