This noise dual ball bearing is published with the manufacturer’s full specification — voltage DC 12V, power source Electric. Made by Guangzhou Yuexiu District Weikeheng Electronic Firm (2 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Noise Dual Ball Bearing
- Model Number: 4312/2
- Power Source: Electric
- Voltage: DC 12V
- Material: Aluminum Alloy
- Blade Material: PBT
- Speed: 2800RPM
Technical Specifications
| Voltage | DC 12V |
|---|---|
| Speed | 2800RPM |
| Type | dc cooling fan |
| Material | Aluminum Alloy |
| Blade Material | PBT |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | ODM, OBM, OEM |
| Place Of Origin | Germany |
| Brand Name | Original |
| Model Number | 4312/2 |
| Color | Black |
| Fan Type | DC Axial Cooling Fan |
| Lead Wire | 3 Wire Leads |
| Size | 120X120X32mm (4.72X4.72X1.26 inch) |
| Weight | 0.22kg |
| Service Life | 62,500 Hours at 40°C |
| Keyword | low noise 12v cooling fan 120mm |
| Application | electrical cabinet cooling, automation controller fan |
| Min. Ambient Temperature | -20°C |
| Max. Ambient Temperature | 70°C |
| Selling Units | Single item |
| Single Package Size | 21X11X14 cm |
| Single Gross Weight | 0.425 kg |
Product Details
- 12032 standard frame, compatible with mainstream 120mm equipment installation space.
- Dual ball bearing construction, wear-resistant and anti-vibration, supports 24/7 non-stop continuous running.
- 3-wire tachometer signal output, enables real-time speed monitoring and equipment fault alarm.
- Wide Application: Medical equipment, laboratory instruments, control cabinets, industrial power supplies, test equipment.




Model Number | 4312/2 |
Frame Size | 120×120×32mm |
Rated Voltage | DC12V |
Rated Current | 0.42A |
Rated Power | 5W |
Rated Speed | 2800RPM |
Max Airflow | 170m³/h |
Noise | 45dB(A) |
Certifications | UL, CE, RoHS |
















cabinet cooling fan ventilation and heat dissipation. Multiple sizes available.


sizes:15/17/18/20/25/30/35/36/38/40/45/50/52/60/70/80/92/120/125/127/136/140/150/160/172/200/220/280mm


efficiency, simple to mount and clean.
Server, distribution box, industrial control cabinet heat dissipation & ventilation Frequency converter, welding machine, charging pile, air compressor cooling Workshop & warehouse ventilation, smoke exhaust Oven, disinfection cabinet, dehumidifier, air cooler Energy storage cabinet, photovoltaic inverter, power battery heat dissipation Printer, injection molding machine, machine tool equipment cooling Communication base station, outdoor power cabinet dustproof & heat dissipation Ventilation, temperature and humidity control |














separately. We will keep you updated with the exact delivery schedule once confirmed.
appoint your preferred freight forwarder for shipment.
Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–499 piece: US $24.5 / piece
- 500–9999 piece: US $23 / piece
- 10000–19999 piece: US $20 / piece
- 20000+ piece: US $18 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this noise dual ball bearing?
The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the noise dual ball bearing be supplied for my local voltage?
The standard configuration is DC 12V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Guangzhou Yuexiu District Weikeheng Electronic Firm, based in China. The company 2 years as a verified Alibaba.com supplier, Trading Company. Browse the full Guangzhou Yuexiu District Weikeheng Electronic Firm range on HVACR Nexus.
See more in Ventilation Fan Parts on HVACR Nexus.
























