This power supply will give you 5000-8000 RPM. The motor uses ball bearings, a 1/4 inch diameter shaft that is 4/8 inch long. Will handle light sanding. Comes with mounting bracket. Pulley not included.
IMPORTANT NOTE: The 1/10 HP power supplies are intended for thread and finishing work only. Shaping, sanding and other heavy work, requires a "Heavy Duty" power supply.