SKF 15X28X7 HMS4 R radial shaft seal
- Brand
- SKF
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
SKF 15X28X7 HMS4 R 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 15X28X7 HMS4 R and any equivalents.
SKF HMS series radial shaft seals are single-lip components that keep lubricant in and contaminants out where a shaft turns. You'll find them in gearboxes, pumps, electric motors, gear reducers and similar equipment. MR Industrial Accessories supplies this line and assists you in matching the seal to your dimensions and operating conditions.
The part number tells you both size and lip style. Take 4X12X6 HMS46 R: the bore is 4 mm, the outer diameter 12 mm and the width 6 mm, while HMS46 identifies the lip geometry and R is a marking. The HMS code points to a specific lip family; the number after it can change with the compound or design. In 5X16X6 HMS4 R and 10X30X7 HMS4 R, the HMS4 suffix stays the same even though the dimensions differ, so you know both seals share the same lip family.
These seals suit continuous rotation where oil or grease must stay put. Typical locations include gear reducers, centrifugal pumps, electric motors, spindles and transmission boxes. They stop leaks and shield bearings from dust and moisture, which helps the assembly last longer.
Selection starts with three measurements: shaft diameter, housing bore and available width. The lip needs a ground, lubricated surface to run on. Shaft-to-housing alignment matters because too much misalignment speeds up wear. In very dirty environments, a lip with a dust guard may be the better choice. Lubricate the lip before installation and use the proper tool to avoid damaging the seal.
SKF radial shaft seals can replace seals from other makers when dimensions and lip type match. Compounds and lip designs can differ between manufacturers, so always confirm the part number or dimensions. When you request a quote, include the complete part number or your measurements so we can check the equivalent. MR Industrial Accessories supplies SKF and can point you to the right option for your 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 does the HMS suffix mean on an SKF seal?
- HMS is SKF's internal code for a particular lip design. It groups seals with similar sealing characteristics. The number that follows may indicate differences in compound or geometry.
- How do I choose the correct seal for my equipment?
- You need the shaft diameter, housing diameter and width. Also consider temperature, speed and contamination. With that information, we can recommend the right SKF seal.
- Are SKF seals interchangeable with other brands?
- They can be, if dimensions and lip type match. But lip material and spring may vary. Always verify the part number or dimensions before substituting.