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SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 42 mm ID, 55 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, 42 mm ID, 55 mm OD

The SKF Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, featuring the HMS5 seal design. This metric seal has a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width…

SKU 3G-OTH-122761

Brand
SKF
Item
Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 42 mm ID, 55 mm OD
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
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Technical Specifications

SKF
Manufacturer Part Number
42X55X7 HMS5 RG
Type
HMS5, Nitrile
OD
55 mm
Wd
7 mm
ID
42 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, featuring the HMS5 seal design. This metric seal has a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width, constructed from nitrile material with a spring. The manufacturer part number is 42X55X7 HMS5 RG.

Frequently Asked Questions

What is the SKF 42X55X7 HMS5 RG rotary shaft seal used for?

The SKF 42X55X7 HMS5 RG is a single-lip oil seal with a rubber-enclosed case designed for rough bores. It retains lubricants and excludes contaminants in rotating shafts, commonly used in pumps, gearboxes, and electric motors across industrial applications.

What are the specifications of the SKF 42X55X7 HMS5 RG seal?

This SKF metric seal has a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width. It features the HMS5 design with a nitrile lip and a spring, making it suitable for rough bore applications. The manufacturer part number is 42X55X7 HMS5 RG.

Where to buy the SKF 42X55X7 HMS5 RG seal worldwide?

3G Electric supplies the SKF 42X55X7 HMS5 RG rotary shaft seal worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine SKF seal to your facility, regardless of location.

How to install the SKF 42X55X7 HMS5 RG rotary shaft seal?

Ensure the housing bore is clean and free of burrs. Lubricate the seal lip and shaft with compatible oil. Press the seal evenly into the bore using a suitable driver, applying force only on the outer case to avoid damaging the nitrile lip or spring.

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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