16mm Coreless Brushless DC Motor 12–36V 56,550 RPM High Speed BLDC Motor | BDCL1636-H BODENMOTION

Overview of BDCL1636-H Coreless Brushless DC Motor

The BDCL1636-H high speed coreless brushless DC motor is designed for compact OEM systems where rotational speed and power density are more important than low-speed direct torque. Its Ø16 × 36 mm coreless architecture supports rated speeds above 49,000 rpm across all winding versions while maintaining a compact motor envelope.

This platform is particularly suited to miniature blowers, micro pumps, compact compressors, high-speed spindles, and analytical equipment. Hall-sensored or sensorless configurations are available, with bearing, gearbox, and encoder options for different mechanical and control requirements.

Key Features of BDCL1636-H High Speed BLDC Motor

• 56,550 rpm Rated Speed – The 12V winding reaches the highest rated speed in the series, targeting compact systems that depend on very high rotational speed.
• 12–36V Winding Range – Four versions allow the motor to be matched to different DC bus voltages and current limits.
• 25–55W Power Platform – Provides substantially higher output capability than lower-power 16 mm brushless platforms while retaining the same compact diameter.
• Compact Ø16 × 36 mm Body – Combines a narrow radial envelope with a longer body designed for higher-speed and higher-power operation.
• Low Rotor Inertia – Rotor inertia remains at 0.36 g·cm² across all four windings, supporting responsive acceleration.
• Hall-Sensored or Sensorless Control – The motor can be configured for basic three-phase sensorless drive or Hall-based commutation according to controller requirements.
• Ball or Sleeve Bearing Options – Bearing configuration can be selected according to speed, load, acoustic, and service requirements.
• Optional Gearbox and Encoder – A planetary gearbox and magnetoelectric encoder are available when the final system requires lower output speed, higher transmitted torque, or additional feedback.

Technical Specifications of BDCL1636-H Coreless Brushless DC Motor

The four versions use different winding configurations. Voltage, current capacity, target speed, torque demand, and driver limits should therefore be evaluated together rather than treating the windings as interchangeable supply settings.

Motor Model	Unit	BDCL1636-H-01	BDCL1636-H-02	BDCL1636-H-03	BDCL1636-H-04
At Nominal
Nominal Voltage	V/DC	12	18	24	36
Nominal Speed	rpm	56,550	50,895	54,375	49,590
Nominal Current	A	2.67	1.66	1.32	0.95
Nominal Torque	mN·m	4.19	4.20	4.13	4.76
Free Load
No-load Speed	rpm	65,000	58,500	62,500	58,000
No-load Current	mA	260	200	170	130
At Max. Efficiency
Maximum Efficiency	%	77.9	75.3	74.4	72.3
Speed	rpm	58,175	51,773	55,313	50,460
Current	A	2.207	1.488	1.185	0.867
Torque	mN·m	3.40	3.72	3.65	4.27
At Max. Output Power
Maximum Output Power	W	54.9	49.5	52.0	49.9
Speed	rpm	32,500	29,250	31,250	29,000
Current	A	9.5	5.8	4.6	3.0
Torque	mN·m	16.10	16.17	15.88	16.43
At Stall
Stall Current	A	18.80	11.40	9.00	5.80
Stall Torque	mN·m	32.20	32.33	31.77	32.85
Motor Constants
Terminal Resistance	Ω	0.64	1.58	2.67	6.21
Terminal Inductance	mH	0.020	0.051	0.086	0.210
Torque Constant	mN·m/A	1.74	2.89	3.60	5.79
Speed Constant	rpm/V	5,416.7	3,250.0	2,604.2	1,611.1
Speed/Torque Constant	rpm/mN·m	2,017	1,809	1,967	1,765
Mechanical Time Constant	ms	7.66	6.87	7.47	6.70
Rotor Inertia	g·cm²	0.36	0.36	0.36	0.36
Number of Pole Pairs	—	1	1	1	1
Number of Phases	—	3	3	3	3
Weight	g	23	23	23	23
Typical Noise Level	dB	≤55	≤55	≤55	≤55

Not sure how to interpret model differences? See the model code breakdown below ↓

Motor Model Number Breakdown

Mechanical Design & Installation Notes for BDCL1636-H High Speed Coreless Motor

At rotational speeds approaching 60,000 rpm, the quality of the complete rotating assembly becomes particularly important. Motor alignment, bearing selection, driven-component balance, and controller behavior should be evaluated together during prototype integration.

Shaft Load Limits
The bearing system supports a maximum dynamic axial load of 0.8 N and a maximum radial load of 8 N, measured 5 mm from the flange.

High-Speed Alignment
Couplings, impellers, and other rotating components should be mounted concentrically. At elevated speed, small alignment or balance errors can increase vibration and bearing loading.

Bearing Selection
Both ball-bearing and sleeve-bearing configurations are available. The appropriate option should be selected according to rotational speed, radial load, noise requirements, and expected operating cycle.

Mechanical Clearance
Axial play is specified at 0.05–0.15 mm, while radial play is limited to 0.015 mm.

Press-Fit Protection
Maximum static press-fit force is 10 N. Assembly force should be controlled to avoid transferring excessive load through the shaft or bearing structure.

Thermal Environment
Ambient temperature is specified from −20°C to +80°C, relative humidity below 90% RH at 25°C, and maximum rotor temperature at 85°C.

Driver Current Margin
Rated current ranges from 0.95 to 2.67 A, while stall current reaches 5.8–18.8 A depending on the winding. The BLDC driver should provide appropriate transient-current capacity and protection.

OEM Customization Options for BDCL1636-H Industrial Brushless Motor

The BDCL1636-H can be configured around the power supply, controller architecture, bearing requirements, transmission design, and feedback needs of the OEM system.

Customization Item	Available Options / Description
Winding Version	12V, 18V, 24V, or 36V configuration
Control Configuration	Hall-sensored or sensorless arrangement
Bearing Type	Ball bearing or sleeve bearing
Planetary Gearbox	Optional for reduced output speed and increased transmitted torque
Encoder Option	Optional magnetoelectric encoder
Cable Length	Can be adapted according to controller and equipment layout
Connector Type	Connector format can be reviewed for the OEM harness
Wire Sequence	Cable, connector, and phase sequence can be customized
Shaft Interface	Shaft requirements can be reviewed for the driven component
Prototype Configuration	Motor, bearing, feedback, gearbox, and encoder combination can be evaluated before production

Hall-sensored versions provide Hall Sensor A, B, and C together with a 3.5–25 VDC VHall supply, while sensorless versions use the three motor-phase connections.

Application Fields of BDCL1636-H High Speed BLDC Motor

The BDCL1636-H is most relevant to compact systems where very high rotational speed and relatively high power density are more important than low-speed direct torque.

• Miniature Blowers – Drives compact impellers for high-speed airflow and cooling modules.
• Micro Pumps & Compressors – Provides high rotational speed for centrifugal and rotary fluid-handling mechanisms.
• Compact Spindle Systems – Supports miniature high-speed rotary assemblies where a 16 mm motor diameter is advantageous.
• Portable Analytical Equipment – Powers sampling, separation, or internal rotating mechanisms with limited installation space.
• Industrial High-Speed Modules – Provides a compact brushless drive source for equipment requiring rapid continuous rotation.
• Centrifugal Airflow Systems – Drives miniature centrifugal impellers used in cooling, air sampling, suction, and compact airflow modules.

Final selection should consider load inertia, aerodynamic or mechanical resistance, driver current, bearing configuration, cooling, and continuous operating time.

Why Choose BODENMOTION for Your Coreless Brushless DC Motor Project

A motor operating above 50,000 rpm requires different integration priorities from a conventional miniature BLDC motor. Rotating balance, current capacity, bearing choice, thermal conditions, and the real operating point can determine system reliability as much as the headline speed.

• High-Speed Operating-Point Review – Rated, maximum-efficiency, and maximum-output data are evaluated separately so no-load or peak figures are not mistaken for sustainable operating conditions.
• 12–36V Winding Matching – We help compare voltage, current, speed, and torque according to the available DC power architecture.
• Driver & Startup Current Evaluation – Controller current capacity, transient loading, acceleration behavior, and protection limits can be reviewed before prototype testing.
• High-Speed Mechanical Assessment – Shaft loading, coupling alignment, bearing selection, and rotating-component balance are considered as part of the complete system.
• Cost-Effective Alternative to Premium Brands – BODENMOTION provides a configurable high-speed coreless motor platform for OEM teams seeking practical alternatives to premium miniature BLDC suppliers.
• Prototype Validation Under Real Load – Speed, current, temperature, vibration, and controller behavior can be evaluated with the actual rotating load before volume production.

Customer Feedback

Germany | Miniature Blower Manufacturer
Application: compact high-speed airflow module
Feedback: The Ø16 × 36 mm motor platform allowed the impeller assembly to remain compact while providing the rotational speed required by the airflow target.

Japan | Analytical Instrument OEM
Application: miniature rotary sampling mechanism
Feedback: The 24V winding provided a useful balance between high operating speed and current demand within the existing power architecture.

United States | Industrial Equipment Developer
Application: high-speed sensor-assisted rotary module
Feedback: The Hall-sensor configuration simplified startup and controller integration while retaining the same compact motor platform.

Downloads – Datasheet

[BDCL1636-H High Speed Coreless Brushless DC Motor Specification PDF]

FAQ – BDCL1636-H High Speed BLDC Motor

Q1: Why might the motor not reach 56,550 rpm in the final equipment?

A1: The 56,550 rpm value applies to the 12V winding at its nominal operating point. Mechanical or aerodynamic load, voltage drop, controller limitations, insufficient current capacity, and bearing or coupling losses can reduce the final operating speed.

Q2: Can the 54.9W maximum-output value be used continuously?

A2: It should not automatically be treated as a continuous rating. The 54.9W value occurs on the 12V version at 32,500 rpm and 9.5 A, which is substantially different from the nominal operating point. Continuous suitability should be confirmed through temperature and duty-cycle testing.

Q3: When should the Hall-sensored version be selected instead of sensorless control?

A3: Hall feedback is useful when the controller requires defined rotor-position information or more predictable startup behavior. Sensorless operation reduces wiring complexity and may suit applications where the controller can start and commutate the motor reliably without position sensors.

Q4: Does BODENMOTION provide international shipping?

A4: Yes. Samples can normally be shipped by FedEx or DHL, while bulk orders can be arranged by air or sea according to quantity and destination.

Q5: BDCL1636 vs BDCL1636-H: Which 16mm Brushless Motor Should You Choose?

	BDCL1636	BDCL1636-H
Motor Size	Ø16 × 36 mm	Ø16 × 36 mm
Main Positioning	Higher torque	High speed
Rated Speed	14,276–15,355 rpm	49,590–56,550 rpm
Power Class	7–18W	25–55W
Best For	Actuators, grippers	Blowers, pumps, spindles

A5: Yes. The BDCL1636 uses the same Ø16 × 36 mm mechanical size but operates in a much lower rated-speed range of approximately 14,276–15,355 rpm with a 7–18W power class. It is more suitable when higher torque at moderate speed is more important than the BDCL1636-H’s 50,000+ rpm operating range.

Contact BODENMOTION – High Speed Coreless Brushless Motor Solutions

For OEM projects requiring very high rotational speed from a compact Ø16 mm motor platform, BODENMOTION supports configuration selection around the complete motor, driver, rotating load, and thermal system.

What We Can Provide

• 12–36V Winding Selection – Compare voltage, current, speed, and torque according to the target operating point.
• BLDC Driver Matching – Review startup current, transient capacity, commutation method, and protection settings.
• High-Speed Mechanical Review – Assess bearing type, shaft loading, coupling alignment, and rotating-component balance.
• Hall & Sensorless Configuration – Match the motor feedback architecture to controller and startup requirements.
• Thermal & Operating Validation – Test speed, current, temperature, vibration, and duty cycle with the actual load.
• OEM Prototype & Production Support – Support sample evaluation, pilot builds, approved configurations, and stable long-term manufacturing.

📧 Email: info@bodenmotion.com
🌐 Website: https://bodenmotion.com