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Rubber radial shaft seal with sealing lip and internal spring · SKF 37X50X6 HMSA7 P
SKF 37X50X6 HMSA7 P radial shaft seal

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SKF 37X50X6 HMSA7 P radial shaft seal

Manufacturer part number37X50X6 HMSA7 PAlso known as: 37X50X6HMSA7P · 37X50X6-HMSA7 P
Brand
SKF
Category
Seals
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Description

SKF 37X50X6 HMSA7 P belongs to radial shaft seal, part of our Seals range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 37X50X6 HMSA7 P and any equivalents.

SKF HMSA P series radial shaft seals are lip seals built for rotating shafts. They keep lubricant in and contaminants out in gearboxes, pumps, electric motors and gear reducers. The code combines dimensions with suffixes that define the lip type and elastomer. MR Industrial Accessories supplies this line and offers technical guidance to match the seal to your application.

The part number packs a lot into a short string: bore diameter, outer diameter and width separated by X, then the series and a numeric suffix. Take 14X25X7 HMSA7 P: bore 14 mm, outer diameter 25 mm, width 7 mm, HMSA configuration and suffix 7. That suffix points to a variant within the series, such as a different lip design or elastomer. The trailing P denotes a specific construction detail, which could be a dust lip or a profile change. Always check the manufacturer's data sheet to read each code correctly.

You will find these seals in gear reducer boxes, centrifugal pumps, electric motors, compressors, machine tools and transmission equipment. They also appear in food, chemical and petrochemical plants where keeping lubricant in and dust and water out is critical. The radial design suits shafts turning at moderate to high speeds under low pressure. In dirty or wet environments, the choice of lip and elastomer material has a direct impact on how long the seal lasts.

When selecting an HMSA P seal, look at shaft diameter, rotation speed, operating temperature and the fluid being sealed. Confirm the bore diameter matches the shaft and the outer diameter fits the housing without distortion. Lubricate the lip before installation to prevent damage at first start-up. Shaft-to-housing alignment matters: too much misalignment speeds up wear. If dust or chips are present, consider a seal with an additional exclusion lip. Proper lip lubrication helps extend service life.

SKF radial shaft seals can be interchanged with other brands that follow the same dimensional designation and lip type. However, codes are not always equivalent: the final letters and numbers may indicate features that differ between manufacturers. When sourcing a replacement, compare more than dimensions—check the lip profile, material and service conditions. MR Industrial Accessories can help you find a suitable equivalent among the brands we carry, with technical support.

To request a quote for SKF HMSA P series radial shaft seals, send the complete code via WhatsApp or email. Our team will respond promptly and help you choose the right option for your equipment and application.

Dimensions

Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.

Frequently asked questions

What do the numbers and letters in an SKF HMSA P seal designation mean?
The first numbers give bore diameter, outer diameter and width in millimeters. HMSA identifies the series, and the following number is a suffix that distinguishes lip or material variants. The final P indicates a particular construction feature. Consult the manufacturer's data sheet for precise interpretation.
How do I choose the right seal for my application?
Consider shaft diameter, speed, temperature and fluid. Verify that dimensions match the housing and shaft. If dust or water is present, choose a seal with an exclusion lip. Lubricating the lip before installation and ensuring correct alignment are essential for good performance.
Can I replace an SKF seal with one from a different brand?
Yes, if dimensions and lip type match. But not all codes are equivalent: the final letters and numbers may indicate differences in material or design. For a safe replacement, compare the lip profile and service conditions. MR Industrial Accessories helps you find the equivalent.
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