Shandong Weiterui Industrial Technology Co. , Ltd., brand WTR.WTR's existing product range covers power frequency electromagnetic induction heaters, medium and high frequency electromagnetic induction heating equipment. It can heat any metal material workpiece and can be customized according to needs.
Why Choose Us
Quality Assurance
Since its establishment, WTR has established and improved a scientific and standardized management system to ensure that the quality management system is in line with international standards. It has passed ISO9001 quality management system certification, international CE certification, energy conservation and environmental protection system certification, and electromagnetic induction heating products have passed the national demagnetization testing certification and temperature accuracy testing certification.
R&D Team
WTR has a doctoral research and development team of more than 30 people, and the chief heater engineer has 30 years of industry experience, designing various bearing heaters with international advanced levels. WTR always adopts innovative processing technology and stands at the forefront of the industry. Combining years of industry experience, we ensure to provide customers with more advanced and high-quality products.
Product Application
The product can according to the customer's heating needs to develop professional and perfect heating schemes, widely used in new energy, wind power, cement, mining, papermaking, metallurgy, transportation and other industries, perfect realization of hot sleeve hot disassembly, special-shaped workpiece local heating, preheating before welding, hydrogen removal after welding, rapid assembly of automatic assembly line and other process requirements.
Excellent service
WTR insists on putting customers at the center, starting from their perspective, solving problems for customers as the core, providing free solutions, one-on-one services, and solving customer problems 24 hours a day.
Types of Portable Bearing Heater
Portable Bearing Heater WTR PIH Series
Portable Bearing Heater is compact and portable, allowing one person to operate and transport it. It is suitable for workshops and individuals who frequently carry and heat small workpieces and change positions. Welcome to consult!
Tower Induction Bearing Heater
The Tower Induction bearing heater is simple to operate, small in size, light in weight, and easy to carry. It is especially suitable for situations where bearings or gears have many sizes and specifications and can be solved with one equipment. And the heating speed is fast, and the ladder induction coil can be customized according to the actual situation.Welcome to contact us.
Portable Bearing Heater WTR PIH 2.5KVA
Portable Bearing Heater is compact and portable, allowing one person to operate and transport it. It is suitable for workshops and individuals who frequently carry and heat small workpieces and change positions. Welcome to consult!
Bearing Heater WTR PIH 3.6KVA
Portable Bearing Heater is compact and portable, allowing one person to operate and transport it. It is suitable for workshops and individuals who frequently carry and heat small workpieces and change positions. Welcome to consult!
Bearing Heater WTR PIH 5.0 KVA
Portable Bearing Heater is compact and portable, allowing one person to operate and transport it. It is suitable for workshops and individuals who frequently carry and heat small workpieces and change positions. Welcome to consult!
Bearing Heater WTR PIH 8.0 KVA
Portable Bearing Heater is compact and portable, allowing one person to operate and transport it. It is suitable for workshops and individuals who frequently carry and heat small workpieces and change positions. Welcome to consult!
Reduce downtime
Downtime is a problem in every industry. Without production, profits quickly plummet, so downtime needs to be kept to a minimum. bearing heaters ensure that the replacement bearing is fitted quickly and effectively. This helps the business to reduce downtime in two key ways.
Minimise costs
Lower costs mean higher profit margins - a benefit to any business. You want the best for your machinery, but you also want to keep costs down wherever possible.Paying to hire the bearing heater for just the timespan you require helps to keep your costs to a minimum whilst you benefit from the unique features of a bearing heater.
Improve worker safety
Bearing heaters put worker safety at the forefront. Unlike oil baths or naked flames, bearing heaters have an outstanding safety record, helping to minimise the risk of injury to your maintenance engineers.
To promote operator safety, induction heaters are equipped with bearing support arms which reduce the risk of the bearing toppling during heating, along with ergonomic yokes to reduce operator fatigue.

Technical Parameters
|
Minimum Bore Diameter |
20mm / 0.8 inch |
|
Maximum Outer Diameter |
320mm / 12.6 inch |
|
Maximum Width |
85mm / 3.35 inch |
|
Maximum Bearing Weight |
20kg / 44lb |
|
Voltage |
110V / 60 Hz |
|
Operating Temperature Range |
20-200°C / 68-392°F |
Specification
|
Max amperage |
10.5 A |
|
Max weight of rolling bearing bore diameter |
10kg from 20mm inner diameter to 160mm outer diameter |
|
Temperature range magnetic probe accuracy electronic |
20–180 °C Yes, type K ± 3 °C |
|
Range of time control time setting in steps |
0.1 minutes |
|
Maximum temperature approx |
180 °C |
|
Variable power level |
5 levels: 20–40–60–80–100% |
|
Automatic demagnetisation residual magnetism |
Yes < 2A/cm |
|
Dimensions lxwxh |
340 × 250 × 64 mm (over the cone 121 mm) |
|
Cooling fan |
Yes |
|
Cooling fan |
Yes |
|
Range of time control time setting in steps |
0.1 minutes |
|
Maximum temperature approx. |
180 °C |
|
Max. weight of rolling bearing bore diameter |
10kg from 20mm inner diameter to 160mm outer diameter |
|
Max. amperage |
10.5 A |
|
Temperature range magnetic probe accuracy electronic |
20–180 °C Yes, type K ± 3 °C |
|
Voltage |
110–120 V |
|
Power |
1.15 kVA |
|
Automatic demagnetisation residual magnetism |
Yes < 2A/cm |
|
Designation |
IH 025/115 V (Art. 110.1103) |
|
Frequency |
50–60 Hz |
|
Variable power level |
5 levels: 20–40–60–80–100% |
|
Dimensions lxwxh |
340 × 250 × 64 mm (over the cone 121 mm) |
The safety of mobile bearing heaters is mainly reflected in the following aspects:
1. Accurate temperature control
Temperature range setting: The heater usually allows users to set the heating temperature between 50°C and 240°C (for bearings, the temperature generally does not exceed 120°C) to ensure that the heating process is carried out within a safe temperature range.
High-precision temperature control: The heating temperature accuracy of some high-end heaters, such as WTR bearing heaters, can reach ±5°C, which helps avoid bearing damage or other safety issues caused by overheating.
2. Overheating protection mechanism
Automatic demagnetization and reminder: After reaching the set temperature, the heater will automatically start the demagnetization function and notify the user through sound reminders and display flashing to prevent the workpiece from overheating.
Overheating protection device: The device has a built-in overheating protection device. Once the temperature exceeds the safety threshold, the power will be automatically cut off to prevent equipment damage or fire.
3. Safety design and protection
Electromagnetic shielding: Although there is a strong magnetic field around the heater, electromagnetic shielding will be considered when designing the equipment to reduce interference with surrounding electronic equipment and magnetic storage media.
Protective cover and structure: Some heaters, such as the WTR series, are equipped with tempered glass protective covers and aluminum alloy frames, which not only protect the internal components of the equipment, but also prevent users from direct contact with high-temperature components.
4. Operating specifications and guidance
Detailed operating instructions: Each device comes with detailed operating instructions to guide users to use the equipment correctly and safely.
Operation training: Users can receive operation training before use and understand the safe operating procedures and precautions of the equipment.
5. Electrical safety
Power and Grounding: Make sure the power ground wire is good to prevent electric shock or other electrical hazards. Before use, check whether the power supply voltage meets the equipment requirements and have it operated by a professional electrician.
Safety of electrical components: The electrical components inside the equipment, such as coils and temperature probes, must comply with safety standards to ensure stability and reliability during long-term use.
Other Services




Sample
Some Sample is Free, but the air freight is collect or you pay us the cost in advance.Some sample require payment at lowest price ,if need sample pls contact us.
MOQ
The MOQ is 1 pcs; For some products we have in stock, the MOQ is 5 pcs.
OEM
You can send your own design of product and LOGO, we can open new mold and print or emboss any LOGO for you.
Payment term
T/T 30% deposit & T/T70% before the delivery or against copy of B/L, L/C
Free test + Free Plan +365 days warranty
In order to help you use our bearing heaters easily, our company provides the following after-sales services for product maintenance.
- Product warranty (starting from the day the heater arrives at the customer) is 1 year;
- The temperature sensor is a wearing part and is not covered by the warranty.
- During the warranty period, if any machine quality problems occur under correct operation, we will provide free repair services, except for human factors. Please keep your purchase invoice (without changes) as proof of maintenance. If the warranty period is exceeded or the damage is caused by wrong human operation, maintenance fees will need to be paid.
- We will provide lifetime maintenance services for the products sold and ensure that machine parts are always provided at preferential prices.
- We can provide pre-use technical guidance and operational training videos according to customer needs, including relevant maintenance information.
Technical support methods
- Telephone technical support
- Spare parts replacement service
- One-to-one service
The warranty does not apply to the following situations
Including but not limited to problems caused by the following reasons: external force (violence), power supply, harsh environment, accident, misuse, unauthorized repair by the supplier, failure to use instructions, failure to perform necessary maintenance and use of components not provided by the supplier . If it is caused by one of the above reasons, the customer will be charged labor fees, spare parts fees and other related fees.
Certificate




FAQ
Shandong Weiterui Industrial Technology Co., Ltd. is one of the most experienced and professional manufacturers and suppliers of portable bearing heater in China, now brings you the best quality bearing heaters with discount price. Please rest assured to buy the quality and durable portable bearing heater made in China here from our factory.
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