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SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 50 mm ID, 72 mm OD - Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
SKFSingle-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 50 mm ID, 72 mm OD

The SKF Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, part number 50X72X8 HMS5 RG. This HMS5-design seal features a nitrile lip with a spring, measuring 50 mm ID, 72 mm OD…

SKU 3G-OTH-122807

Brand
SKF
Item
Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 50 mm ID, 72 mm OD
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
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Technical Specifications

SKF
Manufacturer Part Number
50X72X8 HMS5 RG
Type
HMS5, Nitrile
OD
72 mm
Wd
8 mm
ID
50 mm
Seal Design
HMS5
System of Measurement
Metric
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SKF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SKF Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, part number 50X72X8 HMS5 RG. This HMS5-design seal features a nitrile lip with a spring, measuring 50 mm ID, 72 mm OD, and 8 mm width in metric dimensions.

Frequently Asked Questions

What is the SKF 50X72X8 HMS5 RG rotary shaft seal used for?

The SKF 50X72X8 HMS5 RG is a single-lip oil seal designed to retain lubricants and exclude contaminants in rotating shaft applications. It is commonly used in industrial gearboxes, pumps, and motors where a 50 mm shaft and 72 mm housing bore require a reliable seal in rough bore conditions.

What are the specifications of the SKF 50X72X8 HMS5 RG seal?

This SKF rotary shaft seal has a nitrile lip with a spring, a 50 mm inner diameter, 72 mm outer diameter, and 8 mm width. It uses the HMS5 design with a rubber-enclosed case for rough bores. The system of measurement is metric, and the manufacturer part number is 50X72X8 HMS5 RG.

Where to buy the SKF 50X72X8 HMS5 RG seal worldwide?

3G Electric supplies the SKF 50X72X8 HMS5 RG seal worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this metric single-lip oil seal.

How to install the SKF HMS5 rotary shaft seal?

To install the SKF HMS5 seal, ensure the shaft and housing bore are clean and free of burrs. Apply a thin lubricant to the seal lip and shaft. Use a seal driver or press to seat the seal squarely into the bore, applying even pressure to the outer case. Avoid damaging the nitrile lip during installation.

Used in

Common applications for SKF
Heavy machinery gearboxes — SKF spherical roller bearings (e.g., 24056 CCK30/W33) for high radial load capacity
Electric motor repair — SKF cylindrical roller bearings (e.g., NJ 307 ECP/C3) for free axial expansion
Pump shaft sealing — SKF CRWA1 rotary shaft seals (e.g., 17100) for fluid retention in rotating equipment
Conveyor system maintenance — SKF wear sleeves (e.g., 99274) to protect shafts from seal abrasion
Machine tool spindles — SKF angular contact bearings (e.g., 7413 BGBM) for axial load support in duplex sets
Industrial fan assemblies — SKF spherical roller bearings (e.g., 23044 CC/W33) for misalignment accommodation

SKF Products

3G Electric supplies SKF single-lip oil seals with rubber-enclosed cases for rough bores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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