SKF 20X28X6 HMS4 R Single-Lip Oil Seal with Rubber-Enclosed Case for Rough Bores
The SKF Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, featuring an HMS4 seal design. This metric seal has a 20 mm inner diameter, 28 mm outer diameter, and 6 mm width…
SKU 3G-OTH-122659
Also listed as: 20X28X6HMS4R · 20X28X6-HMS4-R
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SKF Rotary Shaft Seal is a single-lip oil seal with a rubber-enclosed case for rough bores, featuring an HMS4 seal design. This metric seal has a 20 mm inner diameter, 28 mm outer diameter, and 6 mm width, constructed from nitrile material with a spring. It is manufactured by SKF under part number 20X28X6 HMS4 R.
Frequently Asked Questions
What is the SKF 20X28X6 HMS4 R rotary shaft seal used for?
The SKF 20X28X6 HMS4 R is a single-lip oil seal designed to retain lubricants and exclude contaminants in rotating shaft applications. It is commonly used in gearboxes, pumps, and motors where a 20 mm shaft and 28 mm housing bore require a reliable seal in rough bore conditions.
What are the specifications of the SKF 20X28X6 HMS4 R seal?
This SKF rotary shaft seal has a 20 mm inner diameter, 28 mm outer diameter, and 6 mm width. It features an HMS4 seal design with a nitrile rubber-enclosed case and a spring. The system of measurement is metric, and the manufacturer part number is 20X28X6 HMS4 R.
Where to buy the SKF 20X28X6 HMS4 R seal worldwide?
You can source the SKF 20X28X6 HMS4 R seal through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this SKF part.
How to install the SKF HMS4 rotary shaft seal?
To install the SKF HMS4 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 installation tool to press the seal evenly into the bore, avoiding damage to the nitrile lip. Never hammer directly on the seal.
Used in
Common applications for SKFSKF 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.
