Thomson Industries Qsm 16 L 48 Round Linear Shafting

Product Description

The THOMSON INDUSTRIES QSM 16 L 48 is a standard round linear shafting rod designed for precision linear motion applications. Machined from hardened steel with a surface hardness of 60 to 65C (Rockwell), this shaft provides the dimensional consistency that linear bearings, bushings, and guide systems depend on. The shaft measures 16mm in nominal diameter with a tight diameter tolerance range of 0.6295 inches to 0.6299 inches, ensuring reliable fit and repeatable performance. At 48 inches in overall length and 4.224 pounds, it suits a wide range of industrial and trade-level motion system builds and repairs.

This linear shafting is used in linear motion assemblies found in industrial machinery, automated equipment, HVAC actuator systems, and mechanical drive components. It serves as either an original build component or a replacement shaft in existing linear guide systems. Installers and machine builders specify this part when dimensional accuracy and consistent hardness across the shaft length are required for smooth bearing travel and long service life.

Key Features

• Standard shaft type with 16mm nominal diameter for common linear bearing compatibility
• Tight diameter tolerance of 0.6295 inches to 0.6299 inches for precise bearing fits
• Steel construction hardened to 60 to 65C (Rockwell C) for wear resistance
• 48-inch overall length provides flexibility for cutting to required finished lengths
• Weighs 4.224 pounds - manageable for single-person handling and installation

Compatibility

Designed as an OEM-style standard round linear shaft for use with linear bearings, bushings, and guide assemblies rated for 16mm shaft diameter.

Installation Notes

Installation is typically performed by mechanical technicians or industrial maintenance personnel familiar with linear motion systems. Ensure all power and motion sources are locked out and de-energized before removing or installing shafting. Use appropriate shaft supports and alignment tools to prevent binding in bearing assemblies. Cutting to length should be performed with tools appropriate for hardened steel, and cut ends should be deburred before assembly.