Shandong Weiterui Industrial Technology Co., Ltd. is one of the leading manufacturers and suppliers of CE certificated 3.6 KVA Portable Bearing Heater in China. Welcome to buy high quality bearing heaters made in China here from our factory. Please be free to enjoy our discount price and good service.
Basic Info.
| Model NO. | WTR-SIH3.6 | Frequency Type | Low Frequency |
| Voltage | 220V or Customized | Power | 3.6kVA |
| Max. Heating Temperature | 300℃ | Time Control | 0-9999seconds |
| Cooling Method | Air-Cooled | Control System | Digital Control |
| Heating Uniformity | ±3°C | Temperature Control Accuracy | ±1°C |
| Energy Saving Efficiency | 30% Lower Than Transform | Noise Level | <70 dB |
| Applicable Workpiece | Bearing, Gear, Coupling, Sleeve, Bushing, etc. | Certificate | CE, ISO9001, ISO14001, ISO45001 |
| Transport Package | Standard Wooden Case | Specification | 500x280x300mm |
| Trademark | WTR | Origin | Qingdao, China |
| HS Code | 8514400000 | Production Capacity | 300sets/Month |
Packaging & Delivery
| Package Size | 60.00cm * 38.00cm * 42.00cm |
| Package Gross Weight | 46.000kg |
Product Description
Why Use Bearing Induction Heater
1. Electromagnetic Induction Heater 3.6kVA/220V CE Certified Portable Bearing Heater Heating Purpose
Mounting the parts to the shaft after heating, replace traditional methods such as boiling in oil, roasting, and hammering.
2. Disadvantages of Traditional Mounting Methods
3. Heating Principal of Induction Heater
Advanced electromagnetic induction heating technology
4. Advantages of Induction Heater
1) Uniform, efficient, and controlled heating without applying mechanical stress to the workpiece
2) Ensures proper bearing installation and protects the lifetime of rotating equipment
3) Smoke-Free and Flame-Free
4) Reducing energy consumption and maintenance costs.
5) Precise Temperature Control (0–300°C)
6) Compatible with various workpiece: Bearings, gears, couplings, sleeves, wind turbine,casing,shell and other ring-shaped metal workpieces.
5. Application Process
- Thermal assembly of bearings before installation
- Equipment maintenance
- Heating of precision components
- Rapid repairs at industrial sites
- Small and medium-sized machinery manufacturing workshops
6. Application Industries
Steel mills
Cement
Chemical
Oil&Gas
Wind turbine maintenance
Mining industries
Automotive workshops
Machine-building plants
New energy equipment
Others
7. Multiple Power Options
1) From 2 kW to 120 kW or larger power
2) Combined with custom coil/yoke sizes
3) OEM/ODM services
Key Configurations
1. 3.6kVA high-power heating performance
1) Quickly and evenly heats various medium-sized bearings
2) Improving assembly efficiency by 40%.
2. Portable integrated design
1) Lightweight machine design,30kgs for the heater
2) Supports on-site maintenance, field repairs, and flexible workshop mobility
Technical Specifications
(Custom configurations available upon request.)
| Model | WTR-SIH3.6 |
| Voltage | 110V / 220V / 230V |
| Power (kVA) | 3.6 |
| Frequency (hZ) | 50/60 |
| Current (A) | 16 |
| Heater size (mm) | 515x300x285 |
| Heater weight (Kg) | 30 |
| Yoke weight (Kg) | 7 |
| Heating method | Electromagnetic Induction |
| Heating accuracy | 卤1掳C |
| Control method | Time Control (0-9999seconds) |
| Temperature Control (0-300degree) | |
| Temperature sensor | K type |
| Min. bore size ( V/H ) (mm) | 20 / 140 |
| Max. outside size (V/H) (mm) | 360 / 400 |
| Max. width ( V/H ) (mm) | 115 / 175 |
| Max. weight of bearings (Kg) | 50 |
| Heating yokes (mm) | 14x14x265 |
| 20x20x265 | |
| 28x28x265 | |
| 45x45x265 | |
| Heat-resistant gloves | 1pair |
| Package | Wooden case, 600x380x420mm, G.W. 46.5Kg |
| Automatic Demagnetization | < 2A/CM |
| No residual magnetism | |
| No iron contamination | |
| Longer bearing life | |
| Warranty | 12months (Except the temperature sensor) |
After Sales Service
1. Standard Warranty: 12 months(Except temperature sensor)
2. Extended Warranty: Optional coverage up to 36 months.
3. Global Support: 24/7 technical assistance and spare parts supply.
4. Training: On-site or remote operation/maintenance training.
Packing & Delivery
Safe,Fast, and Worry-free delivery worldwide.
PACKING
1. Industrial-Grade Protective Packaging
Packed in a high-strength export plywood case, ensuring maximum protection during long-distance transportation.
2. Anti-Shock & Anti-Moisture Protection
All internal components are secured with EPE foam, anti-shock pads, and moisture-proof wrapping to avoid vibration, collision, or humidity damage.
3. Standard Export Package Includes:
Main Heater Unit (With Power Cable)
Yoke Sets / Magnetic Bars
Temperature Sensor
Protective Gloves
User Manual
4. Custom Packaging Available
Support OEM packaging, neutral packaging, clients' logo, or reinforced shock-proof structure for special transportation needs.
DELIVERY
1. Fast Production & Dispatch
Standard Model: 3–7 working days
Customized Model: 7–15 working days
2. Multiple Shipping Options
Express (DHL / FedEx / UPS) /Air : 5–10 days delivery
Sea Freight: 20–45 days (depending on destination)
Rail Freight (EU & Central Asia): 12–18 days (recommended for Kazakhstan / Russia / EU)
3. Safe Loading & Double Inspection
Before shipment, every unit undergoes: Full power test & Appearance inspection & Packing integrity check
Label verification (Model, Voltage, Serial No.)
4. Tracking & After-Sales Support
A tracking number or B/L copy will be provided within 24 hours after shipping. Online technical support available.
FAQ
Not sure which model fits your bearing?
Click "Contact Supplier" to get a professional heating solution.
Q. How long does it take to heat a bearing?
A. Typically 2-5 minutes to reach the required mounting temperature (80-120°C or customer requirement). Larger bearings may require 5-10 minutes.
Q. What power and voltage options do you offer?
A. Standard models: 2 kVA / 3.6 kVA / 5 kVA / 8 kVA / 12kVA / 16kVA / 25kVA / 35kVA / 50kVA / 65kVA
Voltage options:110V / 220V / 380V / 440V / 480V
We can customize the voltage for any country.
Q. What is the maximum temperature your heater can reach?
A. Standard max. temperature: 300°C; But we typically recommend 80-120°C for bearing mounting to protect the bearing hardness.
Q. Is the heating temperature accurate?
A. Yes.Temperature control accuracy is ±1°C, with uniform heating ±3°C.
This prevents overheating and protects the bearing from damage.
Q. Do you provide coil/yoke customization?
A. Yes.We can design coils/yoke, Just provide bearing drawing / photos / measurements.
Q. What accessories come with the machine?
A. Standard accessories include:
Replaceable heating coils
Temperature sensor probe
Operator gloves
User manual
Additional coils/yoke available upon request.
Q. Is your heater energy-saving?
A. Yes.Compared with transformer heaters or oil-bath heaters:
30% lower power consumption
No open flame
No oil pollution
Faster heating cycle
Q. Can you provide OEM/ODM service?
A. Absolutely. We support: Custom voltage,coil/yoke, appearance / color, logo,Distributor label service, OEM .
Q. What is your warranty policy?
A. Warranty: 1 year
During the warranty period, we provide:
Free spare parts
Online video technical support
Diagnostic support
After warranty, we still provide lifetime technical support.
Q. How do you pack the machine? Is it safe for long transport?
A. Yes.Each unit is packed in standard export wooden boxes with foam protection.Suitable for sea, air, and express.
Q. What information do you need to recommend the right model?
A. Bearing inner/outer diameter,Weight,Required heating temperature,Industry application,Available voltage
We will recommend the best model within 10 minutes.
Q. Can I see a real working video before ordering?
A. We can provide: Heating videos / Factory tour videos / Customer case videos / Online demo via WhatsApp/WeChat
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