The GBX0800150853G is a planetary gearbox with straight teeth, 80 mm outer diameter, and a 15:1 reduction ratio. It steps motor speed down by a factor of 15 while multiplying torque — the continuous output torque is 110 N.m at 100 rpm, with a maximum intermittent torque of 176 N.m at the same speed (cite:,). The 94 % efficiency means 6 % of the input power is lost as heat inside the gearbox — for a 1 kW input that is 60 W of thermal load the housing must dissipate. At 30 °C ambient the gearbox is rated for a 30000-hour service life at 100 rpm continuous duty (cite:,). The straight-tooth design (as opposed to helical) produces a noise level of 60 dB at 1 m, no-load — audible but within typical industrial floor limits. The trade-off is slightly higher meshing impact compared to helical gears, which is acceptable for most positioning and conveyor applications at this torque class (cite:,).
Torque, backlash, and stiffness — the three numbers that govern fit
The continuous torque rating of 110 N.m at 100 rpm and 30 °C is the design point for selecting this gearbox — running above it continuously shortens the 30000-hour service life. The maximum output torque of 176 N.m covers acceleration peaks and occasional overloads, not sustained duty (cite:,). Maximum torsional backlash is 14 arc.min — this is the angular lost motion when the output shaft reverses direction. For positioning applications requiring better than 0.23° repeatability, a low-backlash or precision series would be needed; this gearbox suits indexing and feed drives where some play is acceptable (cite:). Torsional rigidity is 6.5 N.m/arcmin — the shaft twists 1 arcmin for every 6.5 N.m of applied torque. This stiffness figure matters for servo-driven axes where the controller must compensate for windup under load (cite:).
Mounting, sealing, and bearing loads — integration constraints
The gearbox mounts in any position, which simplifies layout in tight enclosures. The housing is black anodized aluminium with a C 45 steel output shaft — the shaft material handles the 176 N.m peak torque without yielding (cite:,). IP54 protection at the shaft output means the gearbox is sealed against dust ingress and splashing water — suitable for washdown areas but not for submersion or high-pressure spray. The unit is lubricated for life, so no oil-change intervals to schedule (cite:,). Maximum radial force Fr is 650 N at 100 rpm for 30000-hour life, applied at mid-distance from the output shaft. Maximum axial force Fa is 900 N at 100 rpm for the same 30000-hour target. These limits drop to 950 N (Fr) and 1200 N (Fa) if the application only needs 10000-hour life — overhung loads from belt drives or pinions must stay within these envelopes to avoid bearing failure (cite:,).
Active production — sourcing posture for this GBX gearbox
The moment of inertia is 0.71 g.cm² reflected to the input — a low value that allows the driving motor to accelerate and decelerate the load without excessive inertial mismatch (cite:,).