Slotless BLDC Motor

30 mm Slotless Brushless DC Motor

Compact 30 mm slotless (ironless-winding) brushless DC motor built for continuous-duty (S1), high-torque-density applications requiring Hall sensor feedback, low cogging, and smooth output in robotics, laboratory automation, medical devices, AGV/AMR systems, and industrial automation.

The 30ZWWC65 delivers 65 W rated power, 90 mN·m rated torque, and 1122.08 mN·m peak torque at 24 V, with a rated speed of 6900 RPM and no-load speed of 9200 RPM, with optional precision planetary gearbox configurations available for precision motion applications.

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30 mm slotless brushless DC motor

Motor Characteristics

Specification Unit 30ZWWC65
Pole Pairs-2
Terminal Resistance, Phase-PhaseΩ0.5
Terminal Inductance, Phase-PhasemH0.05
Winding Connection Method-Star Connection
Insulation Class-B
Duty Type-S1
Feedback Method-Hall Sensors
Commutation Angle-120°
Insulation Strength (Withstand Voltage)-500VAC / 1KHz / 1mA / 1s
Insulation Resistance-100 MΩ / 500VDC
Weightg230
Rated VoltageV24
Rated PowerW65
Rated TorquemN·m90
Rated SpeedRPM6900
Rated CurrentA3.85
No-Load SpeedRPM9200
No-Load CurrentA0.3
Motor Efficiency%86
Noise (Ambient 20dB, Test Distance 1m)dB<50
Thermal ResistanceK/W7.4
Thermal Time ConstantS1000
Ambient Temperature℃20
Max Winding Temperature℃55
Torque ConstantmN·m/A23.38
Back-EMF Constant, Peak ValueV/Krpm3.46
Back-EMF Constant, Effective ValueV/Krpm2.45
Peak TorquemN·m1122.08
Peak CurrentA48
Rotor Inertiag·cm²28
Mechanical Time Constantms2.56
End Bell-Stainless Steel
Bearing-Deep Groove Ball Bearing
Magnet-Sinter NdFeB
Rotation Shaft-Carbon Steel

Dimensional Drawing

30 mm slotless BLDC motor outline
30 mm slotless BLDC motor dimensional drawing

Torque Performance Curve

30ZWWC65 torque performance curve

Customization Options

The 30 mm Slotless Brushless DC Motor can be paired with a precision planetary gearbox to increase output torque and reduce output speed. Contact our engineering team for shaft, cable, and connector customization requests for this series.

Precision Planetary Gearbox

The 30 mm Slotless BLDC motor (30ZWWC65) ships standard with the 28 mm-interface gearbox below. DINGS' offers 10 precision planetary gearbox sizes from 6 mm to 42 mm — browse any size for reference. Confirm fit with engineering before publishing if a dedicated 30 mm-bore gearbox exists.

6 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3
Gear RatioX : 13.91557
Max. backlash°1.82.02.2
Max. continuous output powerW0.650.40.2
Max. peak output powerW0.80.50.25
Max. continuous input speedrpm20000
Max. peak input speedrpm25000
Max. continuous torqueN·m0.0020.0050.01
Max. peak torqueN·m0.0050.010.02
Max. efficiency%887768
Weightg1.622.4
Gearbox length Lmm4.77.29.7
8 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3
Gear RatioX : 141664
Max. backlash°1.82.02.2
Max. continuous output powerW0.840.520.4
Max. peak output powerW1.050.650.5
Max. continuous input speedrpm14000
Max. peak input speedrpm20000
Max. continuous torqueN·m0.010.020.06
Max. peak torqueN·m0.0150.030.09
Max. efficiency%908172
Weightg2.63.23.8
Gearbox length Lmm5.58.110.7
10 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 14.251877326
Max. backlash°1.51.82.02.2
Max. continuous output powerW1.61.21.00.4
Max. peak output powerW21.51.30.5
Max. continuous input speedrpm14000
Max. peak input speedrpm18000
Max. continuous torqueN·m0.010.030.100.15
Max. peak torqueN·m0.020.050.150.2
Max. efficiency%90817365
Weightg6.87.37.88.3
Gearbox length Lmm10.113.617.120.6
12 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 14.318.479337
Max. backlash°1.21.51.82.1
Max. continuous output powerW2.010.50.25
Max. peak output powerW2.51.250.650.3
Max. continuous input speedrpm16000
Max. peak input speedrpm20000
Max. continuous torqueN·m0.080.110.140.17
Max. peak torqueN·m0.10.140.180.21
Max. efficiency%90807565
Weightg9121518
Gearbox length Lmm11.315.118.922.7
14 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 14.318.479337
Max. backlash°1.11.31.451.7
Max. continuous output powerW4.02.01.00.4
Max. peak output powerW5.02.51.250.5
Max. continuous input speedrpm1400016000
Max. peak input speedrpm1800020000
Max. continuous torqueN·m0.160.20.250.3
Max. peak torqueN·m0.20.250.310.38
Max. efficiency%90807565
Weightg11151923
Gearbox length Lmm11.816.120.424.7
16 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 13.9, 5.316, 21, 2862, 83, 111, 150243, 326, 439, 590, 794
Max. backlash°1.01.21.31.4
Max. continuous output powerW6.53.21.60.6
Max. peak output powerW8.04.02.00.75
Max. continuous input speedrpm1200014000
Max. peak input speedrpm1500018000
Max. continuous torqueN·m0.20.250.350.45
Max. peak torqueN·m0.250.350.450.55
Max. efficiency%90807565
Weightg25313742
Gearbox length Lmm18.725.530.235
22 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 13.9, 5.316, 21, 2862, 83, 111, 150243, 326, 439, 590, 794
Max. backlash°0.851.051.21.35
Max. continuous output powerW24126.01.6
Max. peak output powerW30157.52.0
Max. continuous input speedrpm800010000
Max. peak input speedrpm1000012500
Max. continuous torqueN·m0.50.71.21.5
Max. peak torqueN·m0.60.91.51.9
Max. efficiency%90817466
Weightg598397112
Gearbox length Lmm22.33339.646.3
28 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 13.9, 5.316, 21, 2862, 83, 111, 150243, 326, 439, 590, 794
Max. backlash°0.50.60.70.75
Max. continuous output powerW10050258.0
Max. peak output powerW125623110
Max. continuous input speedrpm60007000
Max. peak input speedrpm75008750
Max. continuous torqueN·m1.252.905.0
Max. peak torqueN·m1.63.66.3
Max. efficiency%90817265
Weightg103150174198
Gearbox length Lmm24.236.943.550.2
36 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 13.9, 5.316, 21, 2862, 83, 111, 150243, 326, 439, 590, 794
Max. backlash°0.50.60.70.8
Max. continuous output powerW185904515
Max. peak output powerW2301156019
Max. continuous input speedrpm6000
Max. peak input speedrpm7500
Max. continuous torqueN·m2.35.49.3
Max. peak torqueN·m2.96.811.6
Max. efficiency%90807265
Weightg156238277315
Gearbox length Lmm3044.751.358
42 mm size planetary gearbox dimensional drawing
SpecificationUnitStage 1Stage 2Stage 3Stage 4
Gear RatioX : 13.9, 5.316, 21, 2862, 83, 111, 150243, 326, 439, 590, 794
Max. backlash°0.30.40.50.6
Max. continuous output powerW4802008520
Max. peak output powerW60025010625
Max. continuous input speedrpm6000
Max. peak input speedrpm7500
Max. continuous torqueN·m3.07.515
Max. peak torqueN·m4.511.322.5
Max. efficiency%90817264
Weightg252405476544
Gearbox length Lmm36.154.963.672.4

Gear ratios shown above reflect standard stock configurations for each size. Additional gear ratios and stage combinations are available upon request — contact our engineering team to configure a custom reduction for your application.

Request Precision Planetary Gearbox Quote →

Downloads

Size 30 mm — 30ZWWC65 CAD
↓ 2D Drawing (PDF) ↓ 3D Drawing (STP)
General Resources
↓ General Catalog ↓Slotless BLDC Motor Catalog (PDF) ↓ Manual

Part Number Builder

30 ZWWC 65
30

30 mm motor diameter

ZWWC

Slotless (ironless-winding) brushless DC motor series

65

Body length designation, mm

Hall

Hall sensor feedback is standard

Part Number Rated Voltage Duty Type Rated Power Rated Torque Rated Speed
30ZWWC6524 VS165 W90 mN·m6900 RPM
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Need Help Selecting the Right 30 mm Slotless BLDC Motor?

Whether you need a standard motor, integrated gearbox, or a custom winding, our engineering team can help you select the right configuration for your application.

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