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Heating ring SKF TMBR NJ2320EC
- Manufacturer Part Number
- TMBR NJ2320EC
- Brand
- SKFOfficial brand
- Category
- Mounting and maintenance tools
- Subcategory
- Mounting and maintenance tools
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Description
SKF TMBR NJ2320EC is a heating ring reference, within Mounting and maintenance tools. Request a quote for TMBR NJ2320EC via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The SKF TMBR heating ring is an aluminum tool used to mount inner rings of cylindrical roller bearings by induction heating. It is placed over the ring, current is induced and the ring expands uniformly and in a controlled manner. This avoids blows and excessive force during mounting, protects the raceway and facilitates fitting on the shaft. It is a practical solution for maintenance workshops that need to mount bearings without damaging them.
The designation TMBR NJ…EC is read in parts. TMBR identifies the family of SKF heating rings for mounting. NJ indicates that it is intended for cylindrical roller bearings of the NJ series, which have a removable inner ring. EC indicates the stamped steel cage variant, typical of that series. The example TMBR NJ2320EC shows the complete combination: the ring is chosen according to the bearing to be mounted, in this case an NJ 2320 EC. For other sizes, the numeric suffix changes and the ring must be the corresponding one.
In Argentine industry, these rings are used in maintenance of equipment with cylindrical roller bearings: gearboxes, reducers, pumps, fans, paper machines, steel industry and cement plants. Also in repair shops that receive large bearings. Hot mounting is common when the fit is interference and one does not want to resort to a hammer or press. By heating only the inner ring, the necessary expansion is achieved to slide it without effort and then it becomes fixed as it cools.
To select the ring, take into account the inner ring diameter of the bearing and the power of the induction equipment. The TMBR rests on the ring and must cover it uniformly. During mounting, control the temperature with adequate means so as not to exceed the limit that the bearing admits; even heating avoids deformations. Subsequent lubrication and alignment of the assembly are key to service life. Follow the manufacturer's instructions for heating time and handling.
Regarding equivalences, each manufacturer has its line of heating rings, but they are not interchangeable with each other: the design and power are adjusted to their own bearings. If you need to replace a ring, the safest is to identify the exact bearing (for example, an NJ 2320 EC) and look for the corresponding accessory. At MR Accesorios Industriales we supply the SKF brand, so we can guide you with the bearing code so that the ring is the right one.
If you already have the bearing or ring code, send it via WhatsApp to MR Accesorios Industriales and we will quote you. We have more than 80 years in the business and can advise you on the mounting tool that best suits your application.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- For what type of bearings is the SKF TMBR heating ring suitable?
- It is designed to mount inner rings of cylindrical roller bearings of the NJ series, such as the NJ 2320 EC. It is used when the fit is interference and the ring needs to be expanded in a controlled manner.
- Can it be used with any cylindrical roller bearing?
- No. Each TMBR ring corresponds to a specific inner ring size. You must choose the model that matches the diameter of the bearing to be mounted. If you are not sure, consult us with the bearing code.
- How is the heating ring maintained?
- It is recommended to clean it after each use, check the condition of the wiring and follow the manufacturer's indications for heating. Careful use extends its service life and guarantees safe mounting.

