LINK-BELT FU3K35 flange bearing 4 holes
- Brand
- LINK-BELT
- Category
- Bearing housings
- Subcategory
- Bearing housings
- Series
- 300
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Description
LINK-BELT FU3K35 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 FU3K35 and any equivalents.
The LINK-BELT 300 series 4-bolt flange bracket is a mounted bearing that combines a square flange housing with four bolt holes. It mounts directly onto flat surfaces such as machine frames or structural steel, supporting shafts that run at a right angle to the mounting face. This design provides secure, evenly distributed fastening where a machined cylindrical seat is not practical.
Part numbers in this series follow a clear pattern. The letters FU denote the 4-bolt flange bracket. The first digit after the letters gives the housing series, here 300. A K indicates the locking method. The last number specifies the bearing bore and shaft size. This is why references like FU3K27, FU3K31, FU3K35, FU3K39, FU3K47 and FU3K55 all belong to the same flange family but accommodate different shaft diameters.
Typical applications include belt and chain conveyors, bucket elevators, mixers, mills, screens and process lines in food, chemical and aggregate operations. The 4-bolt flange allows mounting on sheet metal or structural frames without machining a cylindrical seat. Fans, pumps and transmission equipment that need rigid support and straightforward replacement also use these brackets.
When selecting a bracket, begin with the shaft diameter and the radial and axial loads the equipment will experience. Confirm that the flange has adequate space for the four bolts and that the mounting surface is clean and flat. Check the radial shaft seal orientation to ensure it retains lubricant and keeps out dust or water. During installation, align the shaft with the bracket, tighten bolts in a cross pattern and apply grease according to the duty cycle. Misalignment will reduce bearing life.
Several brands offer 4-bolt flange brackets with standardized dimensions, but housing, sealing and locking details can differ. Matching shaft diameter alone is not sufficient; compare hole spacing, flange diameter and center height. For replacement, send the existing part number or a photo of the part and we will identify a compatible alternative.
MR Industrial Accessories LLC supplies the LINK-BELT line. If your equipment requires a 4-bolt flange bracket, contact us via WhatsApp or email with the part number FU3K27, FU3K31, FU3K35, FU3K39, FU3K47 or FU3K55, or with the shaft size you need, and we will provide a quote promptly.
Dimensions
- Bore
- 2 3/16 in
Frequently asked questions
- How do I identify the flange bracket I need?
- Measure the shaft diameter at the bearing location and compare the spacing between the four flange holes with the current bracket. With that information and the part number on the component, we can indicate the equivalent LINK-BELT reference.
- What does the 300 series mean in these brackets?
- The 300 series denotes the housing size within the flange bracket line. A higher series number generally corresponds to greater load capacity and a larger shaft diameter. The final number in the part number defines the exact size.
- Can they be mounted on sheet metal without machining?
- Yes, the 4-bolt flange is designed to be bolted onto flat sheet metal or structural surfaces without machining a cylindrical seat. The surface must be clean, flat and well aligned with the shaft.