1 x Square 3KW E R20 Air cooled spindle motor ( 18000rpm, 4bearings, 10A, 300Hz, 89x98x300mm). Speed: 18000rpm. 3KW ER20 Square Air-cooled Spindle motor Engraving milling Grind. Collet size: ER20. Power: 3Kw.
eBay