NSK UELF317D1W3 flange bearing 4 holes
- Brand
- NSK
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
- Series
- UELF
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Description
NSK UELF317D1W3 belongs to flange bearing 4 holes, part of our Bearing housings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for UELF317D1W3 and any equivalents.
The NSK UELF series is a 4-bolt flange unit that pairs a cast iron housing with a self-aligning insert bearing. It mounts rotating shafts to flat surfaces from the front, using four bolts. This arrangement suits equipment that carries radial loads along with some axial thrust, and it installs quickly because the unit arrives pre-assembled.
Reading the code helps you order the right unit. U stands for insert bearing unit, EL for the insert series with set screws, and F for the 4-bolt flange housing. The number that follows tells you the insert size: UELF204-012D1W3 and UELF204D1W3 both use the 204 insert; UELF205-013D1W3, UELF205-014D1W3, UELF205-015D1W3 and UELF205-100D1W3 use the 205; UELF206-101D1W3 uses the 206. The D1 suffix identifies the housing design and W3 the sealing arrangement.
You will find these units on belt conveyors, bucket elevators, mixers, screens, fans and packaging lines. Plants in food processing, cement, mining and agriculture rely on them because the firm flange mounts well on sheet metal or structural sections, and the insert bearing tolerates slight misalignment. Front fastening with four bolts gives direct access to the hardware.
Selection starts with shaft diameter and load type. The UELF series covers both metric and inch shafts, depending on the insert. Consider the environment: dust, water or washdown will point you to the right sealing suffix. For mounting, place the flange on a flat, clean surface, tighten the four bolts in a cross pattern, and lock the insert to the shaft with the set screws. Follow the duty cycle for lubrication and verify alignment to avoid stressing the bearing.
UELF units interchange between manufacturers when flange dimensions and shaft diameter match, provided the insert series and locking method are the same. When replacing, compare shaft diameter, bolt hole spacing and flange outer diameter. If you have a part number from another brand, we can identify a compatible equivalent and quote the exact unit you need.
To get a quote, send the full part number, such as UELF205-014D1W3, or the shaft and flange dimensions, through WhatsApp or email. Our team replies promptly and can help you choose the variant that fits your equipment.
Dimensions
- Bore
- 85 mm
Frequently asked questions
- What does the D1W3 suffix mean on a UELF housing?
- D1 denotes a specific housing design, while W3 indicates the sealing arrangement of the insert. Together they cover features like contaminant protection and closure type. Include the full part number when requesting a quote so we can identify the exact variant.
- How do I choose between a 204, 205 or 206 insert?
- The insert number relates to shaft diameter. A 204 fits smaller shafts and a 206 larger ones. Check your shaft diameter and the flange bolt hole spacing; with those details we will quote the correct housing.
- Can I replace a UELF housing from another brand with an NSK one?
- Yes, when shaft diameter, bolt hole spacing and flange outer diameter match. UELF units are interchangeable between manufacturers if those dimensions are respected. Send us the original part number and we will provide the NSK equivalent.