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Ball bearing with hexagonal bore and spherical outer surface · SKF PER.W5204RP52-D
SKF PER.W5204RP52-D y-bearing (insert bearing)

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SKF PER.W5204RP52-D y-bearing (insert bearing)

Manufacturer part numberPER.W5204RP52-DAlso known as: PER.W5204RP52D · PER.W5204RP52 D
Brand
SKF
Category
Bearings
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Description

SKF PER.W5204RP52-D belongs to y-bearing (insert bearing), part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for PER.W5204RP52-D and any equivalents.

The SKF Y-bearing PER.W RP-D series is an insert with a spherical outer ring that fits into split plummer block or flanged housings. It accommodates minor misalignment while keeping the shaft centered, and it is built for straightforward mounting and effective sealing. Typical uses include transmission, conveying and process equipment where a rugged, low-maintenance bearing is needed.

The series code breaks down into meaningful blocks. PER identifies the insert category with its sealing and locking features. W shows the shaft locking method, normally set screws on the inner ring. RP denotes the contact seal, and D marks a construction variant. A code such as PER.W5204RP52-D combines these letters with numbers that define dimensions and tolerances, so reading the structure helps you order the right replacement without confusion.

You will find these inserts in belt conveyors, bucket elevators, mixers, fans and agricultural machinery. Food processing plants, cement works, quarries and agro-industrial sites rely on them because dust, moisture and frequent washdowns demand dependable sealing. The insert format allows replacement inside an existing housing, which shortens downtime. MR Industrial Accessories supplies them for both replacement and new projects.

Selection depends on shaft diameter, locking type and the sealing required for the environment. Mount on a clean shaft free of burrs, tighten the set screws with the correct wrench and verify axial clearance. Factory lubrication normally suffices, but in humid conditions or at temperature extremes, inspect the seal and relubricate if the design permits. Proper housing alignment prevents parasitic loads.

Interchangeability between brands is not automatic. Y-inserts often share standardized boundary dimensions, yet sealing, locking or inner ring tolerance can differ. Before substituting a code from another manufacturer, compare bore diameter, total width and locking method. MR can advise on the option that best matches your equipment without compromising performance.

To request a quote for the SKF Y-bearing PER.W RP-D series, send the complete code by WhatsApp or email. If you do not have it, provide the shaft measurements and a photo of the housing, and we will help identify the correct insert.

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 PER.W RP-D indicate on this bearing?
PER is the insert category, W is the shaft locking type, RP is the contact seal and D is a construction variant. The following numeric code sets dimensions and tolerances, so you can order the exact replacement.
Can this Y-bearing handle dusty or wet conditions?
The RP seal resists dust and splashes. For frequent washdowns or immersion, check the seal and relubricate if the design allows. Contact us for application-specific advice.
How can I tell if a Y-bearing from another brand is interchangeable?
Compare bore diameter, total width, locking type and sealing. Outer dimensions are often standardized, but tolerances or materials may differ. Send us the original code and we will confirm the equivalent.
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