
NSK UCF318-308D1 flange bearing 4 holes
- Brand
- NSK
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
- Series
- UCF
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity you need.
Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
Description
NSK UCF318-308D1 is a reference of flange bearing 4 holes, within Bearing housings. Request a quote for UCF318-308D1 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The NSK UCF flange bearing unit with insert bearing is a 4-bolt flange assembly that combines an insert bearing with a cast housing. It is used to support rotating shafts on flat structures, with fixed alignment and simple mounting using four bolts. It is a common solution in transmission, conveying and process equipment where robustness and ease of replacement are required. MR Accesorios Industriales sells this line in Buenos Aires, Argentina.
The series designation is read in parts: UCF identifies the square 4-bolt flange housing, and the number that follows indicates the size of the insert bearing. For example, the sample codes correspond to different sizes. Suffixes with a hyphen indicate inch shaft diameter variants. The D1 ending distinguishes a construction variant within the series. Knowing these keys allows you to order the exact code.
These housings are used in a wide variety of industries in Argentina: packaging lines, conveyor belts, mills, mixers, refrigeration equipment and water treatment plants, among others. Their 4-bolt flange allows them to be fastened to profiles, sheets or beds with aligned holes. Because they are self-aligning units, they tolerate small misalignments and simplify field mounting. MR Accesorios Industriales sells them for replacement and new projects.
To select the right housing, take into account the shaft diameter, the type of load and the environmental conditions. The sealing of the insert defines the protection against dust and moisture: choose the appropriate version if the equipment operates in dirty environments or with frequent washdowns. Factory lubrication can be replenished through the grease fitting if the insert includes one. During mounting, verify that the support surface is flat and that the bolts are tightened evenly to avoid deformation.
UCF housings are interchangeable between brands in terms of flange dimensions and shaft diameter, as long as the series standard is respected. If you bring the code of another brand or an unidentified part, at MR we will tell you the compatible equivalent. The NSK UCF series is manufactured to its own specifications, so it is advisable to confirm the full code when requesting a quote. Write to us on WhatsApp with the code or the exact size and we will quote you promptly.
Dimensions
- Bore
- 3 1/2 in
Frequently Asked Questions
- What does the D1 suffix mean in a UCF housing?
- The D1 suffix identifies a specific construction variant within the NSK UCF series. It does not change the main mounting dimensions, but internal details of the insert or the sealing may vary. When requesting a quote, it is advisable to provide the full code to receive the exact version.
- How do I choose between different UCF housing sizes?
- The difference lies in the size of the insert bearing and, therefore, in the shaft diameter each one accepts. Verify the shaft size and the flange dimensions before deciding on the model.
- Can I replace a UCF housing from another brand with an NSK one?
- Yes, UCF housings follow standardized dimensions, so they are usually interchangeable between brands if the shaft diameter and the hole pattern match. If you have doubts, send us the code of the original part and we will tell you the compatible equivalent.

