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Y-bearing unit SKF SYF 50 FM
- Manufacturer Part Number
- SYF 50 FM
- Brand
- SKFOfficial brand
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
Other brands in this family
- EMMAR
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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We respond promptly.
Request your quote via WhatsApp or email, with the quantity and time frame you need.
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
SKF SYF 50 FM is a y-bearing unit reference, within Bearing housings. Request a quote for SYF 50 FM via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The SKF SYF FM Y-bearing unit with insert bearing is an assembled unit that combines a cast iron housing with an insert bearing of the Y series. It is used to mount rotating shafts in fixed structures, providing radial support and allowing minor misalignments. It is a practical solution for belt drives, conveyor belts and low to medium demand equipment. MR Accesorios Industriales supplies this line as an official brand, with technical advice to choose the correct size.
The designation SYF … FM reads as follows: SYF indicates a cast iron Y-bearing unit with insert bearing and screw fixing; the number that follows is the shaft diameter in millimeters (for example, SYF 20 FM for a 20 mm shaft); FM indicates the type of sealing and the characteristics of the insert. Examples in the series are SYF 20 FM, SYF 25 FM, SYF 30 FM, SYF 35 FM and SYF 50 FM. Each size corresponds to a standard shaft diameter, which simplifies selection.
These units are used in the food, textile, wood and transport industries in Argentina. They are common in conveyor belts, mixers, fans, pumps and machine tools. Their cast iron design with interchangeable insert facilitates maintenance: when worn, the insert bearing is replaced without changing the housing. They are also used in agricultural equipment and packaging lines where frequent cleaning is required.
To select the unit, verify the shaft diameter and the type of load (radial, axial or combined). The FM seal protects against dust and moisture, suitable for demanding environments. During mounting, ensure correct alignment between units and avoid striking the insert. Lifetime lubrication in many inserts reduces maintenance. Fix the unit with screws to the base and verify axial clearance according to the type of insert fixing (set screw or eccentric).
Regarding equivalents, Y-bearing units with insert bearing from different brands can be interchanged if the main dimensions match: shaft diameter, center height and distance between holes. However, always verify tolerances and the type of insert fixing, as they can vary between manufacturers. For replacements, it is advisable to compare the actual dimensions of the original unit before choosing the replacement.
To request a quote for the SKF SYF FM Y-bearing unit you need, send us the complete part number via WhatsApp to MR Accesorios Industriales. If you do not have it at hand, send us the shaft diameter and a photo of the current unit and we will help you identify it. With more than 80 years in the industry, we advise you so you find the correct part.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
- Código universal
- UCPA 210
Frequently Asked Questions
- What does SYF mean in an SKF unit?
- SYF identifies a cast iron Y-bearing unit with insert bearing and screw fixing. The number that follows indicates the shaft diameter in millimeters, and the suffix FM describes the type of sealing and characteristics of the insert.
- How do I choose the right SYF FM unit?
- Measure the shaft diameter and verify the load it will support. Choose the size that matches your shaft. Consider the environment: the FM seal is useful in the presence of dust or moisture. If in doubt, consult us with your equipment data.
- Can only the insert bearing be replaced?
- Yes, in most cases the insert is interchangeable within the housing. This allows renewing the bearing without changing the complete unit. Verify that the new insert has the same dimensions and type of fixing.

