The Items include :
1x 4.0KW Aircooled spindle motor(ER20 18000rpm 88x98x310mm 4 bearing 300Hz)
4.0KW SQUARE AIR-COOLED SPINDLE MOTOR CNCENGRAVING MILLING GRIND ER20
Specification:Size:88x98x310mm width x height x length Power:4Kw Voltage:220VAC Frequency:0-300Hz Speed:10-18000rpm Air Cooling ER20 collet chunk Runout off:less than 0.05mm NSK 4pcs bearing Grease Lubrication
ER20 collet diameter:3.175mm 4mm 6mm 8mm 10mm 12.7mm
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