Thompson 25mm x 75 Round Predrilled Linear Shaft

Description:

The Thomson 25 mm × 75 in. Round Predrilled Linear Shaft is used in precision linear motion and bearing guidance systems. Commonly installed in CNC machines, automated assembly equipment, packaging machinery, material handling systems, and industrial automation equipment, this hardened precision-ground shaft features a 25 mm diameter, 75-inch length, and predrilled mounting holes for secure installation with compatible support rails. Maintenance teams, machine builders, and system integrators use this linear shaft for equipment repair, machine retrofits, new automation projects, and replacement of worn linear guide components.

Applications:

The Thomson 25 mm × 75 in. Round Predrilled Linear Shaft is widely used in linear ball bushing systems, CNC machining centers, robotics, semiconductor equipment, inspection systems, pick-and-place machinery, conveyor automation, and other precision motion applications requiring accurate linear guidance, high wear resistance, and rigid shaft support. It is designed for use with compatible Thomson LinearRace® bearings and predrilled support rail systems.

Technical Specifications:

• Brand: Thomson
• Product Type: Round Predrilled Linear Shaft
• Shaft Diameter: 25 mm (0.984 in.)
• Shaft Length: 75 in. (1,905 mm)
• Shaft Type: Predrilled LinearRace® Shafting
• Material: High-Strength Carbon Steel
• Hardness: 60 Rockwell C Minimum
• Shaft Tolerance: Class MM (ISO h6)
• Surface Finish: 0.20 Ra µm (8 Ra microinch max.)
• Minimum Case Depth: 2.03 mm (0.080 in.)
• Roundness: 0.0020 mm (0.000080 in.) Maximum
• Straightness: 0.0254 mm (0.001 in.) per foot cumulative
• Taper: 0.0025 mm (0.0001 in.) Maximum
• Mounting Style: Predrilled and Tapped for Support Rail Installation
• Compatible Bearings: Thomson Linear Ball Bushing® Bearings and Pillow Blocks
• Suitable For: Precision Linear Motion, CNC Machinery, Robotics, and Industrial Automation Systems.

Common Replacements:

• Thomson QS25MM1800
• Thomson QS25MM2000
• Thomson 25MM1905-T1