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FANUC Alpha Series A290-7031-X495

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A290-7031-X495

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The A290-7031-X495 is a rear gear assembly designed for FANUC's Alpha Series. This component integrates seamlessly with S-400, S-410, and S-480 wrist joints, featuring precision-forged bevel gears along with multiple gear ratios to cater to various applications.

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Technical specifications for A290-7031-X495

ManufacturerFANUC
Product TypeShaft Rear Gear B Assy (V411)
Product LineAlpha Series
Part NumberA290-7031-X495
FitsS‑400/410/480 wrist joints
Gear TypePrecision-forged bevel
Ratios1:1, 1.35:1, 1.5:1, 2:1
Spiral-Bevel Option1:1 only
Max Input Speed1000 RPM
Output Shaft31.75 mm hardened steel
BearingsTapered rollers
MountingFlange to wrist housing
MaterialAlloy steel, case-hardened
Temperature Range−10 °C to +55 °C
Backlash≤ 8 arc‑min
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The FANUC A290-7031-X495 is a robust shaft rear gear assembly (V411) crafted for optimal performance in robotic applications, specifically with the S-400, S-410, and S-480 wrist joints. Constructed from case-hardened alloy steel, this assembly maintains high durability and resistance to wear. With precision-forged bevel gears, it operates smoothly under pressure. This model offers multiple gear ratio options: 1:1, 1.35:1, 1.5:1, and 2:1, allowing flexibility to match different operational requirements. Notably, the spiral-bevel gear option is available exclusively at the 1:1 ratio.

When installed, the output shaft measures 31.75 mm, made of hardened steel for increased longevity. The assembly can withstand input speeds up to 1000 RPM, and its tapered roller bearings ensure efficient load-bearing capabilities. For mounting, it features a flange connection designed to integrate directly with the wrist housing, streamlining the overall installation process. Operating effectively in temperatures between -10 °C and +55 °C, the gearing assembly also maintains a backlash of no more than 8 arc-min, showcasing its precision engineering for fine motion control.