THK BLW4040-3.6ZZG0+2157LC7-H1K

The THK BLW4040-3.6ZZG0+2157LC7-H1K is a high-rigidity, large-diameter precision ball screw from THK’s BLW series, designed for heavy-load and high-precision linear motion applications. Its double-nut configuration provides increased rigidity and reduced backlash, making it well suited for machine tools, heavy automation equipment, and demanding high-load positioning systems.

The BLW4040-3.6ZZG0+2157LC7-H1K has a 40mm screw shaft diameter with a 40mm lead, enabling high-speed travel suited for large-scale automation and transfer systems. It is manufactured to C7 accuracy grade with a ZZ double-nut preload configuration and G0 axial clearance, ensuring stable and consistent performance under heavy loads. The H1K shaft end configuration supports robust motor coupling and mounting requirements, with an overall screw length of 2157mm.