SKF SY 1.3/16 FM y-bearing unit
- Brand
- SKF
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
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Description
SKF SY 1.3/16 FM 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 SY 1.3/16 FM and any equivalents.
An SKF SY unit arrives already assembled: a cast iron housing paired with an insert ball bearing, ready to be fixed onto a rotating shaft. It suits transmission, conveying and process equipment that calls for a compact support with straightforward alignment. Set screws lock the bearing onto the shaft, while the housing bolts directly to the machine frame.
Reading the code helps you order the right unit. SY stands for the Y-bearing housing series supplied with an insert bearing. The figure after it gives the shaft size, expressed either in inches or in millimeters. FM points to a construction variant defined by its sealing and fixing details. So SY 1. FM fits a 1 inch shaft, SY 1.1/2 FM fits 1 1/2 inches, SY 17 FM fits 17 mm and SY 20 FM fits 20 mm. Because suffixes change with the fixing or seal type, confirm the complete designation before ordering.
Typical installations include belt conveyors, bucket elevators, mixers, fans, centrifugal pumps, food processing machinery and agricultural equipment. Processing plants, flour mills, feed mills and material handling systems rely on them as well. The housing handles moderate radial and axial loads, which makes it a practical choice where dust, moisture or regular washdowns are part of daily operation.
Selection comes down to a few inputs: shaft diameter, load type (radial, axial or combined), rotation speed and the surrounding environment. Sealing deserves close attention, since insert bearings normally carry single or double lip seals that keep contaminants out. Match internal clearance and lubrication to the duty. For humid areas or equipment that gets washed down, step up to versions with reinforced seals. At mounting, line up the housings correctly and never strike the bearing while sliding it onto the shaft.
On interchangeability, SKF SY housings can be swapped for units from other manufacturers that share the same dimensional standard. Insert bearings are a different story: differences in fixing method, sealing or housing tolerance can change how the assembly performs. Check the full part number and the critical dimensions before substituting one housing for another. If anything is unclear, send us the exact designation and we will help you sort it out.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the FM suffix mean in an SY housing?
- FM identifies a construction variant of the housing, usually tied to how the insert bearing is sealed or fixed. Main dimensions stay the same, but protection against contaminants differs. Verify the complete part number so the replacement matches.
- How do I choose the correct diameter for my shaft?
- The number in the designation is the shaft diameter: SY 1. FM suits a 1 inch shaft, SY 20 FM suits 20 mm. Measure the shaft with a caliper and pick the housing that matches exactly. A worn shaft may need repair first.
- Can insert bearings from different brands be interchanged?
- Not always. Outer dimensions may line up, yet fixing systems, seals and tolerances differ from one maker to another. Compare the technical data and check with a specialist before replacing a component.