SKF HMS5 RG 55×78×8 HMS5 Radial Shaft Seal

The SKF HMS5 RG 55×78×8 is a hms5 radial shaft seal engineered for reliable shaft sealing, with a rubber-covered outer diameter and spring-loaded sealing lip for general industrial duty. With dimensions 55x78x8 mm (d x D x b), it retains lubricant and excludes contaminants from rotating shaft arrangements, protecting the bearing and extending equipment life. SKF radial shaft seals use precision-moulded elastomer sealing lips and a garter spring (where fitted) to maintain consistent sealing force over a wide temperature range.

In the Saudi Arabian environment, where airborne sand, dust and high ambient temperatures above 50 degrees Celsius accelerate seal wear and lubricant degradation, the correct SKF seal is essential to protect expensive bearings and gear assemblies. The elastomer compound is selected for heat and ageing resistance, while the lip geometry minimises friction and running temperature for long, reliable service in coastal Eastern Province and inland installations.

SKF seals are specified across Saudi industry at facilities such as Ma'aden Aluminium (Ras Al-Khair smelter pot-line fans) and NEOM (green hydrogen plant rotating equipment), sealing pump shafts, gearbox outputs, electric-motor shafts and rotating equipment in the oil and gas, petrochemical, desalination, power and mining sectors. They are supplied with full SASO documentation and cross-reference to common industry equivalents.

Razz Middle East stocks the SKF sealing range, including the HMS5 RG 55×78×8, alongside bearings, lubricants and mounting tools for complete shaft solutions. We deliver across the Eastern Province including Jubail and Dammam, plus Riyadh, Jeddah and Yanbu, typically within 24 to 48 hours for stocked items. Contact Razz Middle East at sales@razz.sa to request a quotation for the SKF HMS5 RG 55×78×8, confirm stock, or obtain selection support for your application in Jubail.

The Kingdom of Saudi Arabia's industrial expansion under Vision 2030 — spanning new refining and petrochemical capacity, the NEOM and Red Sea giga-projects, expanded desalination and water-transmission networks, and growing mining output at MAADEN — is placing record demands on the reliability of rotating equipment. Operators at sites such as Ma'aden Aluminium (Ras Al-Khair smelter pot-line fans) increasingly rely on genuine SKF components and correct maintenance practice to maximise asset availability, reduce energy consumption and avoid the high cost of unplanned shutdowns. Counterfeit and non-OEM parts remain a real risk in the regional market, so sourcing authentic SKF products through an established distributor protects both equipment and warranty coverage. Razz Middle East supplies only genuine SKF product backed by full traceability and SASO documentation, with experienced technical staff able to advise on selection, interchange and application for the demanding conditions of the Saudi market.