HIWIN HGR Series Linear Guide Rail (Heavy Duty, 4-Row)

The HIWIN HGR Series is a heavy-duty linear guide rail featuring a four-row
recirculating ball design for high rigidity and load capacity in all directions.
It is widely used in CNC machines, automation systems, and precision machinery
requiring stable and accurate linear motion.

HGR20 Technical Specifications

• Rail Width: 20 mm
• Rail Height: 17.5 mm
• Hole Pitch: 60 mm
• Mounting Bolt: M5 x 16
• Hole Dimensions: 6.0 / 9.5 / 8.5 mm
• Max Length: 4000 mm
• Weight: 2.48 kg/m

HGR25 Technical Specifications

• Rail Width: 23 mm
• Rail Height: 22 mm
• Hole Pitch: 60 mm
• Mounting Bolt: M6 x 20
• Hole Dimensions: 7.0 / 11.0 / 9.0 mm
• Max Length: 4000 mm
• Weight: 3.02 kg/m

General Features

• Design: 4-row recirculating ball system for equal load in all directions
• Rigidity: High stiffness for precision applications
• Accuracy Classes: C (Normal), H (High), P (Precision)
• Material: High-grade alloy steel
• Applications: CNC machines, automation systems, machine tools