What the GBX1600161385D actually is
Planetary gearbox in the GBX series, 160 mm frame, 16:1 reduction, straight-cut gearing — the unit is specified as lubricated for life and rated for mounting in any position, which removes the lubricant-pocket and orientation constraints that dog some right-angle units. Continuous output torque is 800 N·m with a maximum output torque of 1280 N·m — sizing the motor against the continuous figure (not the peak) is what governs a real conveyor or mixer duty, since the peak is the short-duration overload ceiling.
Torsional rigidity and the load envelope at the output shaft
Torsional rigidity is 41 N·m/arcmin and maximum torsional backlash is 10 arc.min — together these set the positioning accuracy ceiling for any servo-driven axis the gearbox feeds; backlash dominates for point-to-point moves, rigidity dominates for steady-state torque disturbance rejection. Maximum radial force Fr is 4200 N at 100 rpm over the 30000-hour life (6000 N over 10000 hours), and maximum axial force Fa is 6000 N at 100 rpm over 30000 hours (8000 N over 10000 hours) — both figures are quoted with the load applied at mid-distance from the output shaft, which is the worst-case lever arm and the one to design against. Moment of inertia is 7.47 g·cm² at the input — a low value that keeps the drive's acceleration torque budget honest when the gearbox is paired with a servo for cyclic start-stop duty.
Efficiency, noise and the operating envelope
Efficiency is 94 % at the rated reduction, and noise level is 70 dB at 1 m on no-load — useful as a baseline for cabinet acoustic budgeting, with the caveat that the loaded figure on a real machine will track higher. Operating ambient is -25…90 °C with a service life of 30000 hours at 100 rpm and 30 °C — life scales down as either the average speed or the ambient rises, so derating the duty envelope is the conservative move for a hot enclosure or a high-cycle conveyor.
Build, sealing and how it lands in a panel
Shaft is C 45 steel, housing is black anodized aluminium with a black finish — the shaft seal at the output is IP54, which is splash-resistant rather than wash-down rated; this is a drivetrain component, not a hygienic-zone part, and the seal rating reflects that. The 160 mm external diameter and any-position mounting make mechanical integration straightforward behind a servo adapter — the GBX compatibility code governs which servo flange it mates to, so the BOM line should reference the compatibility code rather than guess at the pilot diameter.