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SKF 18X30X7 HMS5 RG Single-Lip Oil Seal with Rubber-Enclosed - Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
SKFSingle-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores

SKF 18X30X7 HMS5 RG Single-Lip Oil Seal with Rubber-Enclosed

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 an 18 mm inner diameter, 30 mm outer diameter, and 7 mm width…

SKU 3G-OTH-124574

Also listed as: 18X30X7HMS5RG · 18X30X7-HMS5-RG

Brand
SKF
Item
18X30X7 HMS5 RG Single-Lip Oil Seal with Rubber-Enclosed
Category
Single-Lip Oil Seals with Rubber-Enclosed Cases for Rough Bores
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SKF
Manufacturer Part Number
18X30X7 HMS5 RG
Type
HMS5, Nitrile
OD
30 mm
Wd
7 mm
ID
18 mm
Seal Design
HMS5
System of Measurement
Metric

Technical Documents

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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 an 18 mm inner diameter, 30 mm outer diameter, and 7 mm width, constructed from nitrile rubber with a spring. It is identified by manufacturer part number 18X30X7 HMS5 RG.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SKF 18X30X7 HMS5 RG rotary shaft seal used for?

The SKF 18X30X7 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 metric 18 mm shaft and 30 mm housing bore require reliable sealing.

What are the specifications of the SKF 18X30X7 HMS5 RG seal?

This SKF seal has an inner diameter of 18 mm, outer diameter of 30 mm, and width of 7 mm. It features the HMS5 design with a rubber-enclosed case for rough bores, a nitrile rubber lip, and a spring. The manufacturer part number is 18X30X7 HMS5 RG.

Where to buy the SKF 18X30X7 HMS5 RG seal worldwide?

3G Electric supplies the SKF 18X30X7 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 to source this SKF seal for your application.

How to install the SKF 18X30X7 HMS5 RG rotary shaft seal?

Clean the shaft and housing bore thoroughly before installation. Apply a thin lubricant to the seal lip and shaft. Use a proper seal driver or press to install the SKF seal squarely into the bore, ensuring the spring side faces the medium being sealed. Avoid damaging the nitrile lip.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This SKF single-lip oil seal features a rubber-enclosed case designed for rough bores in rotating shaft applications. The HMS5 design includes a nitrile lip with a spring, providing effective sealing for lubricants and exclusion of contaminants. With a 22 mm inner diameter, 35 mm outer diameter, and 7 mm width, it is suitable for use in gearboxes, pumps, and motors where mineral oils and greases are present at moderate temperatures
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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bores in rotating shaft applications. The HMS5 design includes a nitrile lip with a spring, providing effective sealing for lubricants and exclusion of contaminants. With a 22 mm inner diameter, 35 mm outer diameter, and 7 mm width, it is suitable for use in gearboxes, pumps, and motors where mineral oils and greases are present at moderate temperatures
This SKF single-lip oil seal features a rubber-enclosed case designed for rough bores. With a 16 mm inner diameter, 28 mm outer diameter, and 7 mm width, the HMS5 design includes a nitrile lip and a spring-loaded lip. It is used to retain lubricants and exclude contaminants in rotating shafts, such as in gearboxes, pumps, and motors
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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bores. With a 16 mm inner diameter, 28 mm outer diameter, and 7 mm width, the HMS5 design includes a nitrile lip and a spring-loaded lip. It is used to retain lubricants and exclude contaminants in rotating shafts, such as in gearboxes, pumps, and motors
Single-lip oil seal with rubber-enclosed case designed for rough bores. Features HMS5 design with nitrile rubber lip and spring. Metric dimensions: 60 mm inner diameter, 75 mm outer diameter, 8 mm width. Suitable for retaining lubricants and excluding contaminants in rotating shaft applications such as gearboxes and pumps
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Single-lip oil seal with rubber-enclosed case designed for rough bores. Features HMS5 design with nitrile rubber lip and spring. Metric dimensions: 60 mm inner diameter, 75 mm outer diameter, 8 mm width. Suitable for retaining lubricants and excluding contaminants in rotating shaft applications such as gearboxes and pumps
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SKF single-lip oil seal with rubber-enclosed case designed for rough bores. Features HMS4 design, nitrile rubber lip with spring-loaded lip for effective sealing. Metric dimensions: 15 mm inner diameter, 24 mm outer diameter, 5 mm width. Suitable for retaining lubricants and excluding contaminants in rotating shaft applications such as gearboxes, pumps, and motors
Single-lip oil seal with rubber-enclosed case designed for rough bore applications. Features a nitrile lip with spring, 50 mm inner diameter, 72 mm outer diameter, and 8 mm width. Suitable for retaining lubricants and excluding contaminants in rotating shafts such as those in gearboxes, pumps, and motors
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Single-lip oil seal with rubber-enclosed case designed for rough bore applications. Features a nitrile lip with spring, 50 mm inner diameter, 72 mm outer diameter, and 8 mm width. Suitable for retaining lubricants and excluding contaminants in rotating shafts such as those in gearboxes, pumps, and motors
Metric single-lip oil seal with rubber-enclosed case for rough bores. 55 mm ID, 72 mm OD, 8 mm width. HMS5 design with nitrile rubber lip and spring. Used to retain lubricants and exclude contaminants in rotating shaft applications such as gearboxes, pumps, and motors
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Metric single-lip oil seal with rubber-enclosed case for rough bores. 55 mm ID, 72 mm OD, 8 mm width. HMS5 design with nitrile rubber lip and spring. Used to retain lubricants and exclude contaminants in rotating shaft applications such as gearboxes, pumps, and motors

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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bore mounting. It has an HMS5 design with a nitrile rubber lip and a spring, providing effective sealing for rotating shafts. With an 85 mm inner diameter, 110 mm outer diameter, and 12 mm width, it is suitable for use in gearboxes, pumps, and motors to prevent lubricant leakage and contaminant ingress
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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bore mounting. It has an HMS5 design with a nitrile rubber lip and a spring, providing effective sealing for rotating shafts. With an 85 mm inner diameter, 110 mm outer diameter, and 12 mm width, it is suitable for use in gearboxes, pumps, and motors to prevent lubricant leakage and contaminant ingress
This SKF single-lip oil seal features a rubber-enclosed case designed for rough bore applications. With a nitrile lip and integral spring, it retains lubricants and excludes contaminants in rotating shafts. Dimensions: 42 mm ID, 55 mm OD, 7 mm width. Suitable for use in pumps, gearboxes, and electric motors
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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bore applications. With a nitrile lip and integral spring, it retains lubricants and excludes contaminants in rotating shafts. Dimensions: 42 mm ID, 55 mm OD, 7 mm width. Suitable for use in pumps, gearboxes, and electric motors
This single-lip oil seal features a rubber-enclosed case for use in rough bore housings. The HMS4 design includes a nitrile lip and spring. It is commonly used to seal rotating shafts in industrial equipment such as gearboxes, pumps, and motors, preventing lubricant leakage and contaminant ingress
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This single-lip oil seal features a rubber-enclosed case for use in rough bore housings. The HMS4 design includes a nitrile lip and spring. It is commonly used to seal rotating shafts in industrial equipment such as gearboxes, pumps, and motors, preventing lubricant leakage and contaminant ingress
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This SKF single-lip oil seal features a rubber-enclosed case designed for rough bores. It has a 17 mm inner diameter, 40 mm outer diameter, and 7 mm width, with an HMS5 nitrile lip and spring. Suitable for sealing rotating shafts in industrial equipment such as gearboxes, pumps, and motors
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