SKF SYR 3 y-bearing unit

SKF SYR 3 belongs to y-bearing unit, 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 SYR 3 and any equivalents.

The SKF SYR is a Y-bearing unit that arrives already assembled: a cast iron housing plus a ball insert bearing, lubricated from the factory. Maintenance teams use it to carry rotating shafts on conveying and transmission equipment where space is tight and alignment needs to be straightforward. The housing bolts directly to the frame, and the shaft is locked to the insert with set screws. Because it is a single ready-to-fit unit, replacement is quick and shutdown time stays short.

Reading the code is the first step in selecting a replacement. The letters SYR mark the Y-housing series with insert bearing, and the figure that follows gives the nominal shaft size, either in inches or millimeters depending on the variant. So SYR 1.1/2-3 fits a 1 1/2 inch shaft, and SYR 2.7/16 fits a 2 7/16 inch shaft. A trailing number such as -3 can point to a mounting or sealing variation. The complete part number is what confirms the exact size, so it is worth checking before ordering.

You will find these units across food processing, packaging lines, belt conveyors, milling equipment, mixers and ventilation systems, as well as in metalworking, machine tools and agricultural machinery. Their cast construction handles moderate radial and axial loads, and they suit dusty, humid or vibrating environments when the right sealing option is chosen.

Selection comes down to four things: shaft diameter, the type of load, rotation speed and the conditions on site. Insert sealing may be basic or include an extra barrier for contaminated areas. Factory grease normally covers the initial service life, though demanding duty calls for periodic relubrication. At assembly, check that the housing lines up with the shaft and tighten the insert set screws so they bite firmly without leaving excess play.

On interchangeability, SKF SYR housings can be swapped with other makes that share the same mounting standard and dimensions. Compare the shaft diameter, but also the housing height, the hole spacing and the insert style. For a replacement, the safest route is to send the code stamped on the part or the main dimensions so the equivalent option can be identified.

To get a quote, send the full part number by WhatsApp or email. The team answers promptly, suggests equivalents and helps you pick the correct variant for the application.