Light Load Model FBL27S SERIES

The THK FBL27S Series represents a compact, high-performance single slide rail system engineered for light-load applications where precision, space efficiency, and reliability are paramount. Designed with a 27mm rail width, this model integrates THK’s advanced linear motion technology to deliver smooth, low-friction movement with exceptional accuracy and durability. Its construction features a rigid aluminum alloy base and a precision-ground rail, ensuring minimal deflection and stable operation under dynamic loads. The integrated ball recirculation system, a hallmark of THK’s engineering, reduces wear and maintenance needs while providing consistent performance over extended periods.

Key technical features of the FBL27S Series include its compact cross-sectional design, which optimizes space utilization in confined machinery layouts. The slide rail incorporates THK’s proprietary Caged Ball technology, where balls are retained in a cage to prevent contact between them, significantly reducing noise, heat generation, and friction. This results in smoother motion profiles and enhanced positional accuracy, with repeatability tolerances as tight as ±0.01mm. The series is pre-lubricated with high-performance grease, supporting long-term operation without frequent re-lubrication, and is available in sealed variants to exclude contaminants like dust and moisture in harsh environments. Additionally, the FBL27S is designed for easy installation, with standardized mounting holes and alignment features that simplify integration into existing systems.

Performance advantages of the FBL27S Series are evident in its ability to maintain high-speed operation with minimal vibration and energy consumption. The low-friction design reduces driving force requirements, allowing for the use of smaller, more cost-effective actuators and motors. This efficiency translates to lower operational costs and extended service life, even in high-cycle applications. The rail’s high rigidity and load capacity—supporting moments and loads typical of light-duty tasks—ensure reliable performance under varying conditions, from rapid reciprocating motions to precise positioning tasks. Its corrosion-resistant options, such as stainless steel components, further enhance suitability for environments exposed to chemicals or humidity.

Typical applications for the FBL27S Series span across industrial machinery, automotive systems, and precision equipment. In industrial automation, it is commonly deployed in pick-and-place robots, linear actuators for conveyor systems, and guiding mechanisms in packaging machinery, where its compact size and accuracy streamline operations. Within the automotive sector, the series finds use in assembly line fixtures, testing equipment for components like sensors or valves, and automated welding systems that demand repeatable, low-friction motion. For precision equipment, the FBL27S is ideal in medical devices such as diagnostic scanners or laboratory automation, semiconductor manufacturing tools for wafer handling, and optical alignment systems where minimal vibration and high positional stability are critical. By combining robust design with THK’s reliability, this series offers a versatile solution for enhancing efficiency and precision in light-load linear motion applications.

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Model No. Rail length
L
(±0.8)
Stroke

S
(±3)
Permissible load
N/pair
mm mm
FBL27S+200L Slide Rail
200
135
260
FBL27S+250L Slide Rail
250
185
240
FBL27S+300L Slide Rail
300
222
240
FBL27S+350L Slide Rail
350
260
230
FBL27S+400L Slide Rail
400
297
210
FBL27S+450L Slide Rail
450
334
200
FBL27S+500L Slide Rail
500
371
180