Comptrol Incorporated has been leading manufacturer of ballscrew assemblies since 1952.

Our pre-engineered ballnut assemblies and end supports let you select from a wide variety of standard products to configure the ballscrew assembly to meet your specific design and application requirements.

We also have the in-house engineering and manufacturing capability to meet your design requirement non-standard ballnut assemblies, end supports, and end machining.

• Rolled, precision rolled, or ground ballscrews
• Inch Series
  • Diameters from 0.187” to 4.000”
  • Leads from 0.050” to 2.000”
  • Rolled screw accuracy to +/-0.004”/ft
  • Ground screw accuracy to +/-0.0005”/ft
• Metric Series Ball Screws:
  • Diameters from 4mm to 80mm
  • Leads from 1mm to 50mm
  • Rolled screw accuracy to +/-23 microns/ 300mm
  • Ground screw accuracy to +/-12 microns/300mm
• Single or preloaded ballnuts available in base, flange, cut-off flange, or trunnion mounting configurations
• End mounting bearing supports available in base, flange, and cut-off flange mounting configuration for simple, fixed, or rigid end support.
• Custom end machining, ballnuts, and end supports
• Reverse engineered assemblies to OEM or manufacturer’s specifications.
• Inventory Management for replacement and production assemblies
• Repair services

Assemblies for smaller or larger diameter inch, metric, and precision ground ballscrews are also available.

Complete Ballscrew Assembly Catalog