Cylindrical horizontal two-stage reducer ??-250, ??-350, ??-400, ??-500, ??-650, ??-750, ??-850, ??- 1000

Cylindrical two-stage horizontal gearboxes of general machine-building application of types
??-250; ??-350; PM-400; ??-500; ??-650; ??-750; ??-850; PM-1000 are designed for increasing the torque and reducing the frequency of speed.
torque and speed reduction.
Conditions of application of gearboxes:
constant and variable load, single direction and reversible;
continuous operation or with periodic stops, shaft rotation in any direction;
input shaft rotation speed should not exceed 1500 rpm;
ambient temperature from minus 40 º? to plus 50 º?;
increased dustiness, non-aggressive environment;
climatic versions U, T (for placement category 1...4) according to GOST 15150-69.
Unit designation
??-500-31,5-12-U2, where
?? - gearbox type;
500 - centre-to-centre distance;
31,5 - nominal gear ratio;
12 - assembly variant;
U - climatic execution;
2 - placement category