Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SKF Rotary Shaft Seal: 2 Lip w/Spring, HMSA10, Nitrile, 42 mm ID, 55 mm OD - Dual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
SKFDual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

SKF Rotary Shaft Seal: 2 Lip w/Spring, HMSA10, Nitrile, 42 mm ID, 55 mm OD

The SKF Rotary Shaft Seal is a dual-lip oil seal with a rubber-enclosed case for rough bores, model HMSA10. It features a 2-lip design with a spring, a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width, made…

SKU 3G-OTH-154577

Brand
SKF
Item
Rotary Shaft Seal: 2 Lip w/Spring, HMSA10, Nitrile, 42 mm ID, 55 mm OD
Category
Dual-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SKF
Manufacturer Part Number
42X55X7 HMSA10 RG
Type
HMSA10, Nitrile
OD
55 mm
Wd
7 mm
ID
42 mm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SKF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SKF Rotary Shaft Seal is a dual-lip oil seal with a rubber-enclosed case for rough bores, model HMSA10. It features a 2-lip design with a spring, a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width, made of nitrile material. This metric seal is identified by manufacturer part number 42X55X7 HMSA10 RG.

Frequently Asked Questions

What is the SKF 42X55X7 HMSA10 RG rotary shaft seal used for?

This SKF dual-lip oil seal with a rubber-enclosed case is designed for rough bores in rotating shafts. It retains lubricants and excludes contaminants in industrial machinery, gearboxes, pumps, and motors. The spring-loaded HMSA10 design ensures reliable sealing under moderate pressure and speed conditions.

What are the specifications of the SKF 42X55X7 HMSA10 RG seal?

This SKF rotary shaft seal has a 42 mm inner diameter, 55 mm outer diameter, and 7 mm width. It is a metric HMSA10 type with a 2-lip design and a garter spring. The seal element is made of nitrile rubber (NBR), suitable for oil and grease applications. The manufacturer part number is 42X55X7 HMSA10 RG.

Where to buy the SKF 42X55X7 HMSA10 RG seal worldwide?

3G Electric supplies the SKF 42X55X7 HMSA10 RG rotary shaft seal to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this metric HMSA10 dual-lip seal.

How to install the SKF HMSA10 dual-lip oil seal?

Ensure the housing bore is clean and free of burrs. Lubricate the seal lip and shaft with compatible oil. Press the seal squarely into the bore using a suitable driver that contacts the outer case only. Avoid damaging the rubber-enclosed case. Do not reuse a removed seal.

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 dual-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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 42 mm ID, 55 mm OD, 7 mm Wd (MPN 42X55X7 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 42 mm ID, 55 mm OD, 7 mm Wd (MPN 42X55X7 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 55 mm ID, 72 mm OD, 8 mm Wd (MPN 55X72X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 55 mm ID, 72 mm OD, 8 mm Wd (MPN 55X72X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 50 mm ID, 72 mm OD, 8 mm Wd (MPN 50X72X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 50 mm ID, 72 mm OD, 8 mm Wd (MPN 50X72X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 60 mm ID, 75 mm OD, 8 mm Wd (MPN 60X75X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 60 mm ID, 75 mm OD, 8 mm Wd (MPN 60X75X8 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 85 mm ID, 110 mm OD, 12 mm Wd (MPN 85X110X12 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 85 mm ID, 110 mm OD, 12 mm Wd (MPN 85X110X12 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 22 mm ID, 35 mm OD, 7 mm Wd (MPN 22X35X7 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.
SKF
SKF Rotary Shaft Seal: 1 Lip w/Spring, HMS5, Nitrile, 22 mm ID, 35 mm OD, 7 mm Wd (MPN 22X35X7 HMS5 RG). Key specifications — System of Measurement: Metric; Brand: SKF; Seal Design: HMS5.

More from SKF

View all SKF parts →
SKF Rotary Shaft Seal: 2 Lip w/Spring, HMSA10, Nitrile, 22 mm ID, 35 mm OD, 7 mm Wd (MPN 22X35X7 HMSA10 RG). Key specifications — attr533849: Metric; attr533814: SKF; attr553484: HMSA10.
SKF
SKF Rotary Shaft Seal: 2 Lip w/Spring, HMSA10, Nitrile, 22 mm ID, 35 mm OD, 7 mm Wd (MPN 22X35X7 HMSA10 RG). Key specifications — attr533849: Metric; attr533814: SKF; attr553484: HMSA10.