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Dayton 2Z935 cast iron speed reducer 19:1 56C C-face .5 hp

Dayton

Dayton 2Z935 speed reducer 19:1 56C C-face .5 hp

SKU CH-6MQQ-SJ69F

C-face speed reducer with a 19:1 ratio, 56C frame, and .5 hp maximum input for 91 RPM output and 326.0 in-lb torque

  • 19:1 ratio delivers 91 RPM output from 750 RPM input
  • .5 hp rating handles up to 326.0 in-lb output torque
  • 56C C-face mount fits standard NEMA motor frames
  • 660 lb overhung load capacity supports heavier radial forces
  • Cast iron housing with helical gears provides quiet, durable operation

Application fit

The Dayton 2Z935 is a C-face speed reducer built for 56C frame motors and a 19:1 ratio. It suits conveyors, packaging equipment or light-duty machine drives that need a compact inline unit with a standard NEMA mounting face. Buyers who need a different ratio, a larger frame size or a hollow-output shaft should select another model.

Sustained-load behaviour

Rated for 0.5 hp maximum input at 1,750 rpm, the reducer delivers 91 rpm nominal output and 326.0 in-lb maximum output torque. A single helical stage on hardened steel pinions with ball bearings handles continuous duty in horizontal mounting, while the 660 lb overhung load rating supports moderate side forces from pulleys or sprockets.

Deciding specification

The 19:1 nominal ratio fixes the output speed at 91 rpm when driven at 1,750 rpm input; if your process requires a different speed reduction, this unit will not match the requirement.

Highlights

  • 19:1 ratio delivers 91 RPM output from 750 RPM input
  • .5 hp rating handles up to 326.0 in-lb output torque
  • 56C C-face mount fits standard NEMA motor frames
  • 660 lb overhung load capacity supports heavier radial forces
  • Cast iron housing with helical gears provides quiet, durable operation

Specifications

No published specifications for this item yet.

Questions about this item

How much heat and noise should I expect when the 19:1 reducer runs continuously at 750 input RPM?

At 750 input RPM the unit produces 91 nominal output RPM with a single helical stage and ball bearings; cast-iron housing dissipates heat but no decibel or thermal-rise figure is published.

Which motor frame and shaft must I already have to bolt this 56C C-face reducer directly?

It requires a NEMA 56C frame motor with a 5/8 in bore and C-face mounting pattern for direct coupling.

Will the 1 in output shaft and 4 7/8 in shaft height line up with my existing 56C driven equipment?

The 1 in output shaft at 4 7/8 in height matches standard 56C dimensions, and the 660 lb overhung-load rating supports typical inline or parallel-shaft loads.

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