Cookies on the SKF website

We use cookies to ensure that we give you the best experience on our websites and web applications. By continuing without changing your browser settings, we assume you give your consent to receive cookies. However, you can change your browser cookie setting at any time.

Precision ground ball screws PGFM

PGFM precision ground ball screws

Features and benefits

  • Double nut design, preloaded, end flange
  • Standard steel recirculation inserts
  • Standard lead precision G5. Optional lead precision G3 or G1
  • Lubrication hole for grease nipple
  • Standard wipers
  • Optional support bearings
  • Variant with center flange is called PGEM
  • Precision ground nut well suited for positioning screws
  • High accuracy combined with high axial stiffness
  • Extremely durable and smooth ball recirculation system

Technical data

Nominal diameter
from 0.5 inch to 6 inches
from 0.1 inch to 1 inch
Basic dynamic load capacity
from 1 200 to 84 000 lbf
Basic static load capacity
from 2 270 to 281 000 lbf
Standard preload
8% to 10% of ball screw Ca value

Typical applications

  • Machine tool
  • Machining centres
  • Grinding machines
  • Marble and stone cutting
  • And many other applications
SKF logo