Skip to content
All products
Rubber radial shaft seal with sealing lip and internal spring · SKF 48X74X10 HMSA7 R
SKF 48X74X10 HMSA7 R radial shaft seal

SKFBrand we market

SKF 48X74X10 HMSA7 R radial shaft seal

Manufacturer Part Number48X74X10 HMSA7 RAlso searched as: 48X74X10HMSA7R · 48X74X10-HMSA7 R
Brand
SKF
Category
Seals
Request a quote for 48X74X10 HMSA7 R via WhatsApp

We respond promptly.

Since 1945 · Martínez, Buenos Aires, Argentina

Request your quote via WhatsApp or email, with the quantity you need.

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.

Ask via WhatsAppAsk via email

Description

SKF 48X74X10 HMSA7 R is a reference of radial shaft seal, within Seals. Request a quote for 48X74X10 HMSA7 R via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

SKF radial shaft seals of the HMSA R series are lip seals designed to prevent lubricant leakage and the ingress of contaminants on rotating shafts. They are used in gearboxes, pumps, electric motors and power transmission equipment, where reliable sealing extends the service life of bearings and gears. MR Accesorios Industriales sells this line with technical advice so you can choose the right size and compound.

The designation of these seals combines dimensions and suffixes. For example, 12X22X7 HMSA7 R indicates a bore diameter of 12 mm, an outside diameter of 22 mm and a width of 7 mm. The code HMSA identifies the lip geometry and the elastomer material, while the final R indicates a design variant, usually with a steel spring. For each size, verify that the suffix matches the temperature and fluid conditions of your equipment.

In Argentine industry, these seals are found in speed reducers, centrifugal pumps, electric motors, drive shafts and process equipment. They are also used in agricultural machinery, food plants and hydraulic systems, where sealing prevents oil loss and the entry of dust or water. The HMSA R series covers a range of metric sizes that makes replacement easy on both imported and domestic equipment.

To select correctly, take into account the peripheral speed of the shaft, the operating temperature and the type of lubricant. The lip must be mounted with the spring facing the fluid to be retained. Before installing, check that the shaft has no burrs or excessive wear; a rough surface accelerates failure. Lubricate the lip with the same oil used in the equipment and make sure the seal enters perpendicular to the shaft to avoid premature leaks.

SKF radial shaft seals are interchangeable with equivalent products from other brands, as long as the dimensions and lip type match. When replacing, compare not only the dimensions (bore, outside diameter and width) but also the elastomer material and the presence of a spring. If the original equipment uses a specific suffix, it is best to keep that configuration so as not to compromise sealing.

If you need to replace a seal, send us the full code or the shaft and housing dimensions via WhatsApp. At MR Accesorios Industriales we advise you so you can choose the right option for your application. We back every sale with technical knowledge and personalized service.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm the dimensions and version against the manufacturer's data sheet.

Frequently Asked Questions

How do I read the designation of an SKF HMSA R seal?
The first three figures indicate bore diameter, outside diameter and width, in millimeters. The HMSA code identifies the lip type and material, and the final R indicates a design variant. Always verify that the suffix matches your equipment conditions.
What should I keep in mind when mounting a radial shaft seal?
The lip must face the fluid to be retained, with the spring on that side. Lubricate the lip before mounting, check that the shaft is clean and free of burrs, and insert the seal perpendicular to avoid leaks.
Are SKF HMSA R seals interchangeable with other brands?
Yes, as long as the dimensions and lip type match. Compare bore diameter, outside diameter, width, elastomer material and the presence of a spring. If the original equipment uses a specific suffix, keep it to ensure sealing.
Request a quote for 48X74X10 HMSA7 R via WhatsApp
Request a quote on WhatsApp