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Coupling SKF PHE 20GCRSB
- Manufacturer Part Number
- PHE 20GCRSB
- Brand
- SKFOfficial brand
- Category
- Power transmission
- Subcategory
- Couplings
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Description
SKF PHE 20GCRSB is a coupling reference, within Power transmission. Request a quote for PHE 20GCRSB via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
SKF couplings in the PHE GCRSB line are power transmission components that connect shafts and absorb misalignment. They are used in a wide variety of industrial machines, from pumps and fans to conveyor belts and mixers. MR Accesorios Industriales carries this line as part of its transmission catalogue, backed by more than 80 years in the field.
The designation of these couplings combines the size number with the GCRSB suffix. For example, PHE 10GCRSB or PHE 45GCRSB: the number indicates the coupling size, which defines its torque capacity and the hub dimensions. The GCRSB suffix identifies construction features specific to this variant, such as the type of flexible element and the fastening method. When choosing, check that the complete part number matches that of your equipment or ask us if you have any doubts.
These couplings are used in industries such as food, chemical, petrochemical and water treatment. They are found in centrifugal pumps, fans, blowers, mixers, agitators and conveyors. Their design compensates for angular, radial and axial misalignment, reducing vibration and protecting the machine's bearings. In plants where maintenance is critical, a well-selected coupling extends the service life of the entire assembly.
To select the right coupling, take into account the nominal and maximum torque, the rotation speed, the shaft diameter and the type of load. Mounting requires aligning the shafts precisely before tightening the flexible elements. Lubrication and sealing depend on the environment: in dusty or humid environments, choose the appropriate protection. Always follow the manufacturer's instructions for tightening and alignment verification.
As for equivalents, SKF PHE GCRSB couplings can replace other models with similar characteristics, but interchangeability is not automatic: dimensions, torque and mounting type must be compared. Do not go by the part number alone; check the technical specifications. If you need to replace an existing coupling, send us a photo or the equipment data and we will help you find the right option within the SKF line.
To request a quote for any SKF PHE GCRSB coupling, write to us on WhatsApp and give us the exact part number (for example, PHE 20GCRSB) or the characteristics of your application. At MR Accesorios Industriales we advise you so you can get your equipment running without delays.
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
- What does the GCRSB suffix mean in SKF PHE couplings?
- The GCRSB suffix identifies a construction variant within the PHE line. It defines the type of flexible element and the fastening system. To know whether it is compatible with your equipment, compare the dimensions and torque with the original coupling.
- How do I choose the correct PHE coupling size?
- You need to know the application torque, the rotation speed and the shaft diameter. With that data, you select the size that meets the requirements. If you do not have the information, ask us and we will help you.
- Do SKF PHE GCRSB couplings need lubrication?
- It depends on the type of flexible element. Some couplings require periodic lubrication and others do not. Check the manufacturer's instructions for your specific model. In demanding environments, proper lubrication extends service life.

