What this gearbox delivers on the line
The GBX1600400553F is a 160 mm planetary gearbox with straight teeth and a 40:1 reduction ratio — sized for servo or stepper output stages where you need torque multiplication without a belt or chain stage. Continuous output torque is 700 N.m (6195.5 lbf.in) at 100 rpm and 30 °C; maximum output torque reaches 1120 N.m (9912.8 lbf.in) under the same conditions — the gap between continuous and peak covers acceleration and short overload events. Rated efficiency is 94 %, which means about 6 % of input power is lost as heat through the gear mesh — relevant for thermal budgeting in a closed cabinet or when sizing the upstream motor. Maximum torsional backlash is 10 arc.min — this is a standard-precision grade, not a zero-backlash stage; suitable for positioning where the load holds position after the move, not for reversing under load at tight tolerances.
Load ratings and service life — what the numbers mean for fit
Service life is rated 30,000 hours at 100 rpm and 30 °C — that is about 3.4 years of continuous 24/7 operation at rated load. The gearbox is lubricated for life, so no oil-change interval to track. Maximum radial force Fr is 4200 N at mid-span on the output shaft for the 30,000-hour life target, or 6000 N if you accept a 10,000-hour service window. Maximum axial force Fa is 6000 N for 30,000 hours, 8000 N for 10,000 hours — these limits govern overhung load from a sprocket or pulley.
Sourcing reality — obsolete, sourced to order
Available through independent surplus and broker channels. Quantities are lot-specific; pricing and lead time confirmed at RFQ against your BOM quantity. No stock-holding claim — sourced per inquiry. The shaft material is C45 steel, housing is black anodized aluminium — these are standard industrial materials; no special handling or storage beyond dry indoor conditions.