Y-bearing unit SKF SY 503 M

SKF SY 503 M is a y-bearing unit reference, within Bearing housings. Request a quote for SY 503 M via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF SY..M line Y-bearing housing with insert is an assembled unit that combines a cast iron housing unit with a ball insert bearing, ready to mount on shafts and fix to the structure. It is used to transmit motion in equipment where simplicity of mounting, tolerance to slight misalignments and permanent lubrication are required. It is a common solution in low and medium demand machines, and its numeric designation allows the shaft size to be identified quickly.

The designation SY … M reads as follows: the letters SY identify the category of Y-bearing housings with insert; the number that follows, as in SY 503 M, SY 504 M or SY 505 M, is related to the shaft diameter for which the assembly is made. The final letter M distinguishes construction variants within the same series, for example the type of locking of the insert to the shaft or the housing design. To choose the correct part number, the first step is to measure the shaft diameter and then verify that the number in the designation matches that measurement according to the manufacturer's table.

These housings appear in a wide variety of industries in Argentina: material transport lines, conveyor belts, mixers, fans, centrifugal pumps, equipment for the food industry and agricultural machinery. They are also found in factories and process plants where a shaft support needs to be replaced quickly. Being compact and self-aligning units, they simplify the design of machines that do not require extreme precision or very high loads.

To select the Y-bearing housing with insert, take into account the shaft diameter, the type of load (radial, axial or combined) and the environmental conditions. The insert seal protects against dust and moisture; if the equipment works in dirty environments or with frequent washdowns, it is advisable to verify the seal type. Lubrication comes from the factory and generally requires no maintenance, but it is important to respect the initial alignment and not force the support. Mounting is done by sliding the insert onto the shaft and fixing it with the set screws or the corresponding locking system.

As for equivalents, Y-bearing housings with insert are available under different brands and nomenclatures. Interchangeability is not automatic: shaft diameter, locking type, housing dimensions and load capacity must be compared. The same number can vary between manufacturers. Therefore, if you need to replace an existing assembly, the safest thing is to send the complete part number and a photo of the part. At MR Accesorios Industriales we sell SKF and can guide you to find the unit compatible with your equipment.

If you already have the housing or insert bearing part number, write to us on WhatsApp and we will quote you. At MR Accesorios Industriales we work with more than 80 years of experience in the field and can advise you so that the replacement is the correct one. Send us the complete designation, the brand and a photo if possible, and we will respond shortly.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.