DBH 5148Vit radial shaft seal — 40 x 52 x 7
- Brand
- DBH
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
DBH 5148Vit 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 5148Vit and any equivalents.
A radial shaft seal such as the DBH 5148Vit keeps lubricant where it belongs and keeps dust and moisture out of assemblies with rotating shafts. With a 40 mm shaft, a 52 mm housing bore and a 7 mm height, it fits gearboxes, pumps, motors and transmission units. The Lx construction combines a sealing lip with a reinforced body, and the designation 5148Vit encodes those dimensions and that build type.
Reading the code is the first step. In 5148Vit the leading figures give the bore and shaft sizes in millimeters, and the suffix points to the lip and body configuration. That means the seal is intended for a 40 mm shaft running in a 52 mm housing with a 7.00 mm width. Before ordering, measure the shaft and the housing cavity on your unit and compare them with these figures, since a seal that is close but not exact will not seat or seal properly.
These seals show up wherever a shaft passes through a housing: gearboxes, centrifugal pumps, electric motors, line shafts and rollers. Their job is twofold. They hold oil or grease inside the assembly, and they block particles, water and dust from reaching bearings and gears. In a plant, that translates into fewer unplanned stops and longer service from the parts behind the seal.
Installation decides how well the seal performs. Wipe the shaft clean, remove burrs and deep marks, and apply a light film of lubricant before sliding the lip into place. Check that the housing bore is smooth and at the correct diameter, and press the seal in squarely. Pull the old one with a proper seal puller rather than a screwdriver so the cavity stays undamaged.
Choosing a replacement comes down to shaft speed, operating temperature and the fluid being sealed. If the seal you are replacing carries a different designation or design, send us the details and we will review the DBH line for a compatible option, including whether Lx suits your conditions or whether another lip style or material fits better.
Dimensions
- Shaft (d)
- 40mm
- Housing bore (D)
- 52mm
- Height (h)
- 7.00mm
- Design
- Lx
Frequently asked questions
- What size shaft and housing does the DBH 5148Vit fit?
- It is made for a 40 mm shaft, a 52 mm housing bore and a 7.00 mm height, matching the 5148Vit designation and the Lx design. Confirm these measurements on your equipment before installing.
- How do I get a quote for the DBH 5148Vit?
- Send the code 5148Vit through WhatsApp or email, along with a photo of the old seal and the shaft and housing dimensions if you have them. Our team confirms the variant and replies with a quote.
- What does the Lx design tell me about this seal?
- Lx describes the build: a sealing lip combined with a reinforced body. To check whether it suits your application, share the shaft speed, working temperature and the lubricant or fluid involved.