DBH 9947Tef radial shaft seal

DBH 9947Tef is a reference of radial shaft seal, within Seals. Request a quote for 9947Tef via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 9947Tef radial shaft seal is a lip seal designed to mount on a 79.38 mm shaft and retain lubricant inside the housing, while at the same time preventing the entry of dust, water or particles. It is used in gearboxes, pumps, electric motors and transmission equipment where a rotating shaft passes through a casing. Its A 353-R AH design defines the geometry of the lip and the metal case. At MR Accesorios Industriales we carry it as a brand and quote it by WhatsApp with your part number.

This item is a radial shaft seal from the DBH line, identified with the designation 9947Tef. It corresponds to a shaft of 79.38 mm diameter and its design is A 353-R AH. The A 353-R AH design indicates a lip and case configuration intended for oil retention in general industrial applications.

Typical applications for a radial shaft seal of this type include gearboxes, reducers, centrifugal pumps, electric motors, rollers and power transmission equipment. In all cases it serves to close off the passage of lubricant to the outside and block the entry of contaminants. It is a wear part: over time the lip hardens or gets marked and starts to leak. That is why it is best to check it every time the equipment is disassembled and replace it if it shows stiffness, cuts or loss of elasticity.

To install a radial shaft seal, work with a clean shaft free of burrs, lubricate the lip with the same grease or oil used in the equipment and use a tube or support bushing to press it in evenly, without hitting it sideways. If the shaft has a groove or a step, protect the lip while passing it over. When selecting, in addition to the shaft diameter, the housing diameter, the height, the type of fluid, the working temperature and the peripheral speed matter. With that data the lip design and material are defined.

If you need an equivalent from another brand for the 9947Tef, send us the shaft diameter, the housing diameter and the height you have measured on the equipment, plus a photo of the old part if possible. With that data we search within the DBH line and among the alternatives we carry. We also tell you whether the A 353-R AH design is suitable for your application or whether another lip profile is better depending on the fluid and temperature.

To request a quote for the DBH 9947Tef oil seal or ask about an equivalent size, send the part number by WhatsApp to MR Accesorios Industriales. If you have doubts about installation or want to confirm the housing and height dimensions, write to us with the equipment data and we will reply. We have been in the industrial sector, since 1945, and we handle technical inquiries on seals and oil seals so you order the right part.