Y-bearing (insert bearing) SKF PER.309RPP55

SKF PER.309RPP55 is a y-bearing (insert bearing) reference, within Bearings. Request a quote for PER.309RPP55 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF Y-bearing of the PER.RPP series is an insert bearing with an extended inner ring and set screw locking system, designed to be mounted directly on shafts and housed in split plummer block or pillow block housings. It is used in equipment where a simple, robust and easy-to-mount bearing unit is required, such as conveyor belts, fans, mixers and agricultural machinery. MR Accesorios Industriales carries this line, with over 80 years of experience in the industry.

The PER.RPP series designation is read in parts: the PER prefix identifies the category of Y-bearings with extended inner ring and set screw locking; the number that follows (205, 309, 5203, etc.) indicates the size and dimension series; and the RPP suffix plus a final digit indicates sealing, internal clearance or outer ring design variants. For example, PER.205RPP9 and PER.205RPP10 share the same basic size but differ in the suffix, which may indicate a different type of sealing or a specific tolerance. The same happens with PER.309RPP55 or PER.5203RPP2: the number after RPP is not arbitrary, but refers to a construction characteristic that should be verified in the table. To choose the correct code, it is always necessary to cross-check the shaft diameter, the housing type and the working conditions.

These Y-bearings are used in a wide variety of industrial applications in Argentina. They are common in belt conveyors, bucket elevators, mills, mixers, dryers, fans and equipment for the food, cement, mining and agricultural industries. They also appear in grain processing machines, aggregate treatment plants and irrigation systems. Their design allows them to be mounted in split plummer block, take-up or pillow block housings, which simplifies field replacement. Being self-aligning units, they tolerate small misalignments between the shaft and the housing, something frequent in equipment subjected to vibrations or variable loads.

To select the right Y-bearing, take into account the shaft diameter, the type of load (radial, axial or combined) and the environmental conditions. Sealing is key: RPP suffixes usually indicate double-lip or contact seals that protect against dust and moisture. If the equipment works with a lot of dirt or frequent washdowns, a more robust seal is advisable. Lubrication can be lithium or synthetic grease, depending on temperature and speed. During mounting, make sure the shaft is clean and free of burrs, and tighten the set screws with the proper wrench to prevent the inner ring from turning on the shaft. Check the alignment of the housing and leave the axial clearance recommended by the manufacturer.

As for equivalents and interchangeability, SKF PER.RPP series Y-bearings can be replaced by products from other brands that follow the same dimension standard. However, not all suffixes are equivalent: an RPP9 from one brand may not exactly match the sealing or clearance of another. Therefore, when looking for a replacement, it is essential to compare not only the diameter and width, but also the locking type, sealing and permissible load. At MR Accesorios Industriales we can help you find the correct equivalent within our catalog of bearings and housings.

If you need a SKF Y-bearing of the PER.RPP series, send us the full code via WhatsApp. At MR Accesorios Industriales we advise you so that you choose the variant that best suits your equipment, with the experience of over 80 years in the industrial market. Request a quote with no obligation and receive personalized attention.

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