3.5KW ER25 Air Cooled Spindle Motor Bearings With Flange Or Without Flange 220V For CNC Routers And Milling Machines Pro Grade High Precision Spindle Component Upgrade

High-Precision 3.5KW ER25 Air-Cooled Spindle Bearing Single
✔️ 3.5KW spindle bearing, ER25, 220V, flange on/off option

Our high-precision air-cooled spindle bearing unit is designed for CNC routers and milling machines, offering flange-on or flange-less mounting for flexible integration in compact and mid-size setups.

✅ 3.5KW rated spindle power for CNC routers and mills
✅ ER25 collet compatibility for precise tool holding
✅ Air-cooled design for efficient heat management during long runs
✅ 220V operation suitable for standard workshop power
✅ Optional flange or flange-less mounting for flexible installation
✅ High-precision bearings deliver low runout and long life

💡 What is a spindle bearing used for in CNC machines? This handy component keeps the spindle aligned and spinning with accuracy. - supports high speed rotation and precise milling - reduces tool runout and maintains concentricity - compatible with ER25 spindles and 220V systems - offers flange on or off mounting for flexible setups