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SKF couplings: PHE series, hubs and elements

SKF couplings in the catalog carry the PHE prefix and join two shafts to transmit rotation while absorbing small misalignments. The line includes jaw, grid and tyre couplings, and almost none is a single piece: they are built from hubs, a flexible element and, depending on the type, a cover. Each part has its own code, and a complete order names them all.

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One coupling, several references

In grid couplings, PHE 1020TGGRID is the element, PHE 1020TGHCOVER is the cover and PHE 1020TGRSB is a hub. The number 1020 is the size and must be repeated on every part. Ordering the grid alone works when the hubs are sound; a new coupling needs two hubs, the grid and the cover.

The same applies to tyre couplings: PHE F40NRTYRE is the rubber element of size F40 and PHE F40RSBFLG is one of the flanges. Jaw couplings, of the L series, show the size and the hub bore in the code. If the hub comes without a finished bore or for a taper bushing, the last block says so.

What defines the size

The coupling is sized by the torque it transmits and by the shafts it joins, not by the apparent size of the old one. You need the power and speed of the motor, the type of driven machine and both shaft diameters, which are often different. Equipment with frequent starts or shock loads calls for a larger margin.

The flexible element is the part that wears. When it breaks often, check the alignment between the shafts before replacing it again: the coupling tolerates a small misalignment, but does not correct it. When replacing only the element, confirm the size marked on the hubs.

To quote a coupling

Send us the codes of the parts you need and the quantity of each. For a complete coupling, state type and size, both shaft diameters with their keyways and whether the hubs have a finished bore or a taper bushing. Without a code, give us power, speed, the driven machine, the distance between shaft ends and a photo of the assembled coupling.

Is the code with GRID the complete coupling?

It is only the grid. The hubs and the cover have their own codes.

Can I replace only the flexible element?

Yes, if the hubs are sound and the size matches. Check the alignment.

Do both hubs have to be the same?

The same coupling size, yes. The bore of each one can be different.

Products 469 results

Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.

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Main series

SKF PHE L Couplings

SKF PHE L couplings are jaw couplings that transmit torque between shafts and absorb misalignment. They are used in pumps, gearboxes, fans and conveyors. MR Accesorios Industriales sells this line. If you need to replace a coupling or build a drive, send us the part number and we'll advise you.

Some codes:PHE L035-4MMPHE L035-5MMPHE L035-6MMPHE L035-7MMPHE L035-8MM

SKF PHE TGGRID Couplings

SKF PHE TGGRID couplings are flexible grid couplings that transmit torque between shafts with misalignment. Their steel grid design absorbs shock and vibration, protecting bearings and gears. They are used in pumps, compressors, fans and conveyors. MR Accesorios Industriales carries this SKF line; ask about the part number you need.

Some codes:PHE 1020TGGRIDPHE 1030TGGRIDPHE 1040TGGRIDPHE 1050TGGRIDPHE 1060TGGRID

SKF PHE TGHCOVER Couplings

SKF couplings in the PHE line with the TGHCOVER suffix are power transmission components used to connect shafts and transmit torque in industrial equipment. Their design includes a protective cover that shields the flexible element and improves the safety of the assembly. They are suitable for applications where misalignment must be compensated and vibration absorbed, extending the service life of the associated components.

Some codes:PHE 1020TGHCOVERPHE 1030TGHCOVERPHE 1040TGHCOVERPHE 1050TGHCOVERPHE 1060TGHCOVER

Send us the SKF part number

Just the manufacturer part number is enough: we will quote it and provide dimensions and equivalents via WhatsApp or email.

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