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

Horizontal cylindrical two-stage reducers ??-250, ??-350, ??-400, ??-500, ??-650, ??-750, ??-850, ??-1000 are used as part of the drive mechanism of conveyor lines, mixers, crushers, various hoisting devices, traction devices, etc. It is intended for transmission of rotation with change of torque and speed without significant loss of efficiency (98%). The gear ratio of this gearbox is from 8 to 50. This model has two stages of involute gears, which are protected by a cast iron housing. Ambient temperature from minus 40C to plus 50C The gearboxes are manufactured in all climatic versions, which is indicated in the product marking. Example: ??-250-8-21 ?? ?1, where: ?? - type of reducer; 250 - centre distance of the second stage; 8 - nominal gear ratio; 21 - assembly variant; ?? - Variant of shaft design; ?1 - Climatic execution.