9:1 reduction, 44 N.m continuous — the load-bearing specs
The GBX0600091002F is a planetary gearbox with a 9:1 reduction ratio — the first number a motion-control engineer checks when matching motor speed to load RPM. Continuous output torque is 44 N.m (389.4 lbf.in) at 100 rpm and 30 °C; that is the steady-state rating the gearbox can deliver across its 30,000-hour service life without accelerated wear. Maximum output torque reaches 70 N.m (619.6 lbf.in) under the same conditions — this is the peak/overload ceiling for occasional starts or transient loads, not a continuous duty point. Efficiency is 94 % at rated load, meaning 6 % of input power is lost as heat inside the gearbox — a factor for thermal budgeting in the driven system, especially in enclosed or high-ambient installations.
Lifecycle status — obsolete, sourced through independent channels
Schneider Electric lists the GBX0600091002F as obsolete — no longer in active factory production. The gearbox carries a 30,000-hour service life at rated conditions and is lubricated for life — no field regreasing interval, which simplifies MRO spares planning for a legacy line.
Mounting envelope and environmental limits
External diameter is 60 mm (2.4 in) — the primary envelope constraint for fitting into a machine frame or coupling to a motor face. Shaft output seal is rated IP54, meaning protection against dust ingress and splashing water at the output side — suitable for indoor industrial environments but not washdown or submerged service. Ambient temperature range for operation is -25 to 90 °C (-13 to 194 °F), covering most factory-floor conditions but requiring derating or forced cooling near the upper limit. Housing is black anodized aluminium; shaft material is C45 steel — standard construction for this torque class, with the anodized layer providing corrosion resistance in dry indoor air.
Backlash, noise, and overhung load limits
Maximum torsional backlash is 20 arc.min — this is the angular play at the output shaft under reversing loads. For positioning applications requiring less than 0.3° repeatability, a lower-backlash gearbox (e.g., 5-10 arc.min) would be needed. Noise level is 58 dB at 1 m, no-load — a moderate figure for a straight-tooth planetary; the straight teeth (vs. helical) trade some acoustic smoothness for lower cost and simpler manufacturing. Maximum radial force (overhung load at mid-shaft) is 340 N for the 30,000-hour life target, or 500 N if the application accepts a 10,000-hour service life. Maximum axial force (thrust) is 450 N at 30,000 hours, 600 N at 10,000 hours. These limits govern belt-drive or gear-mesh loads on the output shaft.