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The A290-7031-X373 is a shaft balancer from FANUC's Alpha Series. This precision component features a taper-fit shaft interface and is constructed from robust alloy steel with a phosphate coating, ensuring durability and resistance to wear.
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| Manufacturer | FANUC |
|---|---|
| Product Type | Shaft Balancer |
| Product Line | Alpha Series |
| Part Number | A290-7031-X373 |
| Interface | Taper-fit shaft |
| Construction | Alloy steel |
| Surface Treatment | Phosphate coating |
| Mounting Mode | Press-fit |
| Shaft Diameter | ~15–20 mm diameter |
| Shaft Length | ~90–110 mm length |
| Temperature Range | –20°C to +120°C |
| Load Capacity | 150 N static / 80 N dynamic |
| Max Speed | ≤10,000 RPM |
| Runout Tolerance | ≤5 µm radial |
| Machine Compatibility | α‑0iA/B/C & α‑1iA/B/C (± AWF) |
| Service Life | 20,000 hours (L10 @ 6,000 RPM) |
FANUC presents the A290-7031-X373, an efficient shaft balancer belonging to the acclaimed Alpha Series. This device interfaces through a taper-fit shaft that assures proper alignment during operation. Built from high-quality alloy steel, it is designed for longevity, and its phosphate coating enhances protection against corrosion and friction wear.
Installation of the A290-7031-X373 is achieved through a press-fit mounting mode, which provides a secure attachment to the machine components. The shaft balancer accommodates shafts with a diameter between 15 mm and 20 mm and a length that measures roughly 90 mm to 110 mm, enabling versatile applications across various setups.
This balancer operates in a temperature range extending from –20°C to +120°C, making it suitable for diverse industrial applications. It also possesses a maximum load capacity of 150 N in static conditions and can handle dynamic loads of 80 N, which is essential for maintaining stability during operation. Enhanced performance is evident with a maximum speed rating of up to 10,000 RPM, while ensuring minimal runout tolerance of up to 5 µm radially to maintain precision.
Compatibility with machines such as the α‑0iA/B/C and α‑1iA/B/C (± AWF) enhances its adaptability for various FANUC equipment. Additionally, the A290-7031-X373 assures extended service life, rated at 20,000 hours at a speed of 6,000 RPM (L10), establishing reliability for prolonged operational use.