Bearings
Linear Bearings & Shaft
Linear Ball Screw Drive
Linear Ball Screw Nut
Quick Code: BB-529244
BLK4040-3.6ZZ THK Ball screw nut
The BLK4040-3.6ZZ THK Ball screw nut is a precision-engineered linear ball screw nut designed to convert rotary motion into linear motion with exceptional accuracy and repeatability. This heavy-duty THK component is ideal for applications in large-format linear actuators, industrial machine tools, automation equipment, CNC machinery, and other demanding industrial systems requiring reliable and precise linear motion control.
Key Specifications:
- Brand: THK
- Article Type: Nut for rolled shaft
- Inner Diameter: 40mm
- Outer Diameter: 114mm
- Width: 85mm
- Material: Steel
- Flange Type: Double-chamfered
- Number of Mounting Holes: 2
- Preload: Without preload
- Seal Type: Brush wipers
- Tolerance Class: P5 / ABEC 5
Features & Benefits:
This larger-format ball screw nut combines robust precision engineering with durable construction, featuring brush wiper seals for superior protection against contamination while maintaining smooth, consistent operation. The double-chamfered flange design provides enhanced stability and optimized load distribution for heavy-duty applications. With a P5/ABEC 5 tolerance class, it delivers the high accuracy and repeatability required for the most demanding industrial environments.
The BLK4040-3.6ZZ is well-suited for integration into large-scale systems where substantial load capacity, compact dimensions relative to performance, and reliable linear motion conversion are essential.

