Hongyang Motor · Yuyao, China · Established 1988OEM · ODM · Custom motor development
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Inicio / Productos / Motores de CC con escobillas / RS-550
RS-550 product photograph
Original mechanical dimensions550S / 555P source performance curves

RS-550 Brushed DC Motor

A compact brushed DC motor family with several winding options. Review the full 550S or 555P suffix, available shaft arrangement and published performance conditions for an OEM project.

Body length
57 mm
Shaft reference
3.175 mm
Motor structure
Brushed DC
Configurations
550S / related 555P
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OEM supply · Configuration-specific winding and mechanical interface

Compare the complete winding code.

Compare the complete winding code.

ModelNominal supplyNo-load speed
rpm		No-load current
A		Speed at maximum efficiency
rpm		Torque at maximum efficiency
mN-m		Output at maximum efficiency
W		Maximum efficiency
%
HRS-550S-8607F7.2V CONSTANT190001.9157504980.7668
HRS-550S-7612F12.0V CONSTANT205001.41800044.183.0769.2
HRS-555P-511412.0V CONSTANT131000.621140031.853875.4
HRS-555P-376924.0V CONSTANT94000.25800029.424.6173.2

Each row is one published configuration. The maximum-efficiency point and the stall point describe different test conditions.

Maximum-efficiency values are not continuous-duty ratings. Use the full suffix when requesting samples. HRS-555P entries below are related configurations, distinct from HRS-550S.

Compare the complete winding code.

ModelOperating voltage range
V		Current at maximum efficiency
A		Stall current
A		Stall torque
mN-m
HRS-550S-8607F3.0 - 9.016.587.3286.6
HRS-550S-7612F9.0 - 15.01072361.6
HRS-555P-511412.0 - 24.04.228.3245.5
HRS-555P-376918.0 - 36.01.48197.4

Dimensions, curves and interfaces.

mechanical dimensions

Original mechanical dimensions
Original mechanical dimensions · Open full-size image

550S / 555P performance curves

550S / 555P source performance curves
550S / 555P source performance curves · Open full-size image

The selected drawing controls shaft, mounting and tolerance details. Any lettered dimensions without a value are specified for the chosen build.

RS-550 motor structure

Fit the motor to your assembly.

Compact 550S platform with related 555P winding configurations. Use an existing configuration as the starting point, then review the interfaces that connect it to your equipment.

Winding and operating point

Match the voltage, loaded speed and torque to the equipment duty.

Shaft length and profile

Specify projection, diameter and a round, flat or other required shaft profile.

Bearing structure

Review the bearing, rotation and terminal arrangement for your assembly.

Rotation and wiring arrangement

Share noise, electrical interference and control requirements with the project brief.

Explore Custom Development

Evaluate the motor in the real mechanism.

Supply and working point

Use the intended system voltage and the required speed and torque under load.

Mounting and shaft

Check the shaft profile, projection, fit and fastener positions against your assembly.

Thermal and duty conditions

Evaluate the motor in the intended enclosure and operating cycle.

System acceptance

Agree current, speed, direction and any feedback checks before sample approval.

Create a clear approval baseline.

Technical inquiry

Send this series name, the full variant if selected, the installation drawing and required working point.

Sample evaluation

Check fit and performance in your equipment. Record the supply, load, duty and test method.

Production approval

Agree the drawing revision, model code, acceptance requirements and order quantity before release.

Bring us the motor requirement for your next product.

Send your preferred model or the working point, installation drawing and expected quantity.

  • Supply voltage, loaded speed and torque
  • Shaft, mounting and installation requirements
  • Sample quantity and expected project demand

A drawing, reference motor or application brief is a useful starting point.

Open the full inquiry page →

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