THK linear guide block NSR20TBC NSR25TBC NSR30TBC NSR40TBC NSR50TBC NSR70TBC linear guide slider

The THK NSR-series linear guide block with TBC specification is a high-precision motion component tailored for precision machinery and automation systems. As a core part of THK’s linear motion solution, it is renowned for its excellent self-alignment capability and reliable load-bearing performance.

A standout feature of the NSR-TBC guide block is its specialized two-piece housing design, which enables effective self-alignment on the mounting surface. This design significantly reduces the requirement for mounting precision, simplifying the installation process and minimizing errors caused by assembly deviations. Equipped with THK’s mature ball circulation system, it ensures smooth and low-friction linear movement, even during high-frequency reciprocating operations.

In terms of load capacity, the NSR-TBC model adopts a multi-row ball arrangement, allowing it to bear loads from multiple directions (radial, reverse radial, and lateral). This structural advantage ensures stable operation under varying load conditions, making it suitable for applications such as CNC machine tools, robotic arms, and automated production lines that demand high motion accuracy and stability.

Additionally, the guide block is designed with convenient maintenance features, such as easily accessible lubrication points, which help extend its service life and maintain consistent performance over long-term use. Its compact and robust structure also enables it to adapt to different installation spaces, enhancing its versatility in various industrial scenarios.