Coreless Electric Motor Ø22×30 mm Brushed DC Motor 11.3W Low Power | BDCB2230 BODENMOTION

Overview of BDCB2230 Coreless Electric Motor

The BDCB2230 coreless electric motor features a Ø22 × 30 mm coreless design with graphite brush commutation, combining compact dimensions with durable brushed operation and straightforward DC control.

Its longer 30 mm body provides increased performance capacity for compact actuators, positioning mechanisms, and industrial drive systems. Available with multiple winding options, the motor can also be configured with an optional planetary gearbox and encoder for higher-torque or feedback-controlled applications.

Key Features of BDCB2230 Brushed DC Motor

• Ø22 × 30 mm Coreless Platform – Provides additional axial motor volume while retaining a compact 22 mm diameter for embedded actuator and drive assemblies.
• Rated Torque up to 5.79 mN·m – Offers a stronger direct-drive torque range for mechanisms that need more load capability without immediately moving to a gearbox.
• Maximum Output up to 11.3 W – The 18V winding reaches 11.30 W at its maximum-output test point, providing useful short-duration performance margin when properly controlled.
• Long-Life Graphite Brush Design – Graphite commutation is suited to repeated operating cycles and longer service requirements than precious-metal brush configurations.
• 6–24V Winding Range – Four voltage versions allow the motor to be matched to different power architectures and current limits.
• Up to 75.85% Maximum Efficiency – The 24V winding reaches the highest measured efficiency at its optimized operating point.
• Optional Encoder Feedback – Photoelectric or magnetoelectric encoders can be added when closed-loop speed or position information is required.
• Planetary Gearbox Compatible – An optional gearbox enables lower output speed and higher transmitted torque for actuator applications.

Technical Specifications of BDCB2230 Brushed DC Motor

The four versions use different windings, so voltage, rated current, speed, torque, and controller capacity should be considered together. Maximum-output and stall data describe higher-load test conditions and should not be treated as continuous ratings.

 

Motor Model	Unit	BDCB2230-01	BDCB2230-02	BDCB2230-03	BDCB2230-04
At Nominal
Nominal Voltage	V/DC	6	12	18	24
Nominal Speed	rpm	9,492	10,248	9,234	9,405
Nominal Current	A	0.88	0.63	0.42	0.29
Nominal Torque	mN·m	3.91	5.22	5.79	5.26
Free Load
No-load Speed	rpm	11,300	12,200	10,800	11,000
No-load Current	mA	90	65	45	30
At Max. Efficiency
Maximum Efficiency	%	74.97	74.93	75.42	75.85
Speed	rpm	9,944	10,736	9,558	9,735
Current	A	0.679	0.489	0.339	0.234
Torque	mN·m	2.93	3.91	4.60	4.17
At Max. Output Power
Maximum Output Power	W	7.23	10.41	11.30	10.44
Speed	rpm	5,650	6,100	5,400	5,500
Current	A	2.55	1.83	1.32	0.92
Torque	mN·m	12.22	16.30	19.98	18.13
At Stall
Stall Current	A	5.00	3.60	2.60	1.80
Stall Torque	mN·m	24.45	32.60	39.96	36.26
Motor Constants
Terminal Resistance	Ω	1.20	3.33	6.92	13.33
Terminal Inductance	mH	0.190	0.403	0.850	1.600
Torque Constant	mN·m/A	4.98	9.22	15.64	20.49
Speed Constant	rpm/V	1,883.3	1,016.7	600.0	458.3
Speed/Torque Constant	rpm/mN·m	462.2	374.2	270.3	303.3
Mechanical Time Constant	ms	13.05	11.08	7.90	9.09
Rotor Inertia	g·cm²	2.70	2.83	2.79	2.54
Number of Pole Pairs	—	1	1	1	1
Number of Phases	—	5	5	5	5
Weight	g	54	54	54	54
Typical Noise Level	dB	≤42	≤42	≤42	≤42

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

Motor Model Number Breakdown

Mechanical Design & Installation Notes for BDCB2230 Long-Life Graphite Brush Motor

The BDCB2230 can tolerate greater mechanical loading than many smaller coreless motors, but bearing life and brush performance still depend strongly on shaft alignment, transmission design, and operating cycle.

Shaft Load Management
The sintered metal bearing supports a maximum dynamic axial load of 0.8 N and a maximum radial load of 8 N, measured 5 mm from the flange. Overhung gears, pulleys, and offset couplings should be designed so unnecessary side loads are not transferred directly to the motor.

Bearing Clearance
Axial play is specified at 0–0.1 mm. Sintered metal bearing radial play is limited to 0.03 mm, while ball-bearing radial play is limited to 0.015 mm.

Gearbox Alignment
When a planetary gearbox is added, shaft concentricity and coupling alignment should be checked carefully. Misalignment can increase friction, noise, bearing load, and current consumption.

Encoder Installation
Photoelectric and magnetoelectric encoders are optional accessories rather than standard motor components. Their installation length, wiring, resolution, and controller compatibility should be considered during actuator packaging.

Thermal Limits
The specified ambient range is −20°C to +80°C, relative humidity should remain below 90% RH at 25°C, and rotor temperature should not exceed 125°C.

Brush Duty Cycle
Frequent reversing, repeated high-current acceleration, or extended operation near the maximum-output region can increase graphite brush wear. Continuous-duty validation should use the actual load profile and enclosure conditions.

OEM Customization Options for BDCB2230 Coreless Motor with Optional Encoder

The BDCB2230 can be configured as a simple brushed motor or developed into a geared and feedback-enabled drive assembly according to the control and mechanical requirements of the OEM system.

Customization Item	Available Options / Description
Winding Version	6V, 12V, 18V, or 24V standard winding
Planetary Gearbox	Optional for lower speed and higher transmitted torque
Encoder Option	Optional photoelectric or magnetoelectric encoder
Shaft Configuration	Shaft length and geometry can be reviewed for the driven component
Bearing Configuration	Bearing arrangement can be evaluated according to load and precision requirements
Wiring / Lead Length	Electrical connection length and routing can be adapted to equipment layout
Connector Type	Connector selection can be reviewed according to the control system
Mounting Interface	Mechanical adaptation can be evaluated for the final actuator assembly
Prototype Combination	Motor, gearbox, and optional encoder can be tested as one integrated configuration

The gearbox and encoder should be added according to application requirements rather than treated as standard components of the base motor.

Application Fields of BDCB2230 Coreless Electric Motor

The BDCB2230 is suitable for OEM mechanisms that need a durable brushed motor platform with enough torque and mechanical capacity to support either direct drive or a compact transmission.

• Industrial Actuators – Drives valves, dampers, locking mechanisms, and small rotary or linear actuator assemblies.
• Robotic Auxiliary Mechanisms – Provides motion for grippers, adjustment modules, and secondary robot functions where simple DC control is preferred.
• Precision Positioning Modules – Can be combined with a gearbox and optional encoder for controlled adjustment and repeatable motion.
• Medical & Laboratory Equipment – Supports sample handling, internal adjustment, and automated mechanism movement.
• Smart Equipment Drives – Powers feeders, sliders, latches, and other embedded electromechanical functions.
• Compact Geared Systems – Provides a suitable motor base for low-speed, higher-torque transmission assemblies.

Final selection should consider required output torque, gearbox efficiency, reversing frequency, feedback requirements, and expected service interval.

Why Choose BODENMOTION for Your Coreless Electric Motor Project

For a graphite brushed motor in the 22 mm class, the key question is not simply how much torque the motor can produce, but how that torque will be used over the complete duty cycle. Winding selection, transmission losses, brush wear, encoder requirements, and shaft loading all affect the final actuator.

• Operating-Point Selection – We compare rated, maximum-efficiency, and higher-load regions to help avoid selecting the motor from a single headline value.
• Graphite Brush Life Evaluation – Running time, reversing frequency, startup current, load variation, and maintenance expectations can be reviewed together.
• Gearbox and Load Matching – Reduction ratio, required output speed, transmission efficiency, and torque reserve are considered as part of the complete mechanism.
• Optional Feedback Integration – Photoelectric or magnetoelectric encoders can be evaluated when closed-loop speed or position control is required.
• Cost-Effective Alternative to Premium Brands – BODENMOTION provides a flexible coreless motor platform for OEM teams seeking practical alternatives to premium motor and actuator suppliers.
• Prototype-to-Production Validation – Motor-only, geared, and encoder-assisted configurations can be tested under real controller and load conditions before production approval.

Customer Feedback

Germany | Industrial Actuator Manufacturer
Application: compact valve drive
Feedback: The Ø22 × 30 mm motor provided sufficient torque margin for the transmission while keeping the actuator diameter within the existing housing design.

Japan | Precision Automation OEM
Application: encoder-assisted adjustment mechanism
Feedback: The optional encoder configuration allowed the development team to add motion feedback without changing the basic brushed motor platform used during prototype evaluation.

United States | Laboratory Equipment Developer
Application: automated sample-handling module
Feedback: The graphite brush motor maintained consistent operation across repeated movement cycles while the 24V winding matched the equipment’s existing DC supply architecture.

Downloads – Datasheet

[BDCB2230 Coreless Graphite Brushed DC Motor Specification PDF]

FAQ – BDCB2230 Brushed DC Motor

Q1: Why is the 11.3 W figure higher than the motor’s 3–10 W product range?

A1: The 11.30 W value is measured at the maximum-output operating point of the 18V winding, where speed falls to 5,400 rpm and current rises to 1.32 A. It should not be treated automatically as a continuous operating rating.

Q2: Is an encoder included with the standard BDCB2230?

A2: No. Photoelectric and magnetoelectric encoders are optional components. The standard motor can operate without encoder feedback, while an encoder can be added when the application requires speed or position monitoring.

Q3: Which winding is better when both torque and current consumption matter?

A3: There is no single best winding. For example, the 18V version provides the highest rated torque at 5.79 mN·m, while the 24V version draws the lowest nominal current at 0.29 A and still provides 5.26 mN·m. The final choice should reflect the available supply, driver capacity, and required operating point.

Q4: Does BODENMOTION have a minimum order quantity?

A4: There is no strict MOQ for standard evaluation orders. Sample quantities, pilot runs, and volume production can be arranged according to project stage and customization requirements.

Q5: Is there a shorter 22 mm graphite brushed alternative?

A5: Yes. The BDCB2225 uses a shorter Ø22 × 25 mm body and belongs to the 4–10W power class. It is more suitable when axial installation space is tighter, while the BDCB2230 provides a longer Ø22 × 30 mm platform for applications that can accommodate the additional length.

Contact BODENMOTION – Coreless Electric Motor and Feedback Solutions

For OEM actuators requiring a durable graphite brushed motor, optional gearing, or feedback capability, BODENMOTION supports configuration selection around the complete mechanical and control system.

What We Can Provide

• Winding and Power-System Matching – Compare 6V, 12V, 18V, and 24V versions according to supply voltage, current limits, speed, and torque.
• Graphite Brush Duty-Cycle Review – Evaluate operating time, reversing frequency, startup load, and maintenance expectations.
• Gearbox Integration Support – Review reduction ratio, required output speed, torque reserve, and transmission efficiency.
• Optional Encoder Matching – Evaluate photoelectric or magnetoelectric feedback according to sensing and controller requirements.
• Mechanical Load Assessment – Check shaft loading, bearing clearance, coupling alignment, and available installation space.
• OEM Prototype & Production Support – Support sample testing, pilot builds, approved custom configurations, and stable long-term supply.

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