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Stainless steel Y-bearing housing with insert bearing and square body · SKF SYWK 508 Y
SKF SYWK 508 Y y-bearing unit

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SKF SYWK 508 Y y-bearing unit

Manufacturer part numberSYWK 508 YAlso known as: SYWK508Y · SYWK508 Y
Brand
SKF
Subcategory
Y-bearing unit
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Description

SKF SYWK 508 Y 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 SYWK 508 Y and any equivalents.

The SKF SYWK Y bearing housing combines a cast iron housing with a Y-series insert bearing that locks with set screws. It arrives ready to mount on a rotating shaft, with lubrication and sealing handled at the factory. This makes installation and routine maintenance straightforward for conveyors, mixers, fans and similar equipment. MR Industrial Accessories supplies this SKF line to customers across the United States and several Latin American countries.

The code SYWK points to a pillow block housing fitted with a Y insert bearing. The digits that follow, such as in SYWK 504 Y or SYWK 505 Y, set the assembly size and tie back to the shaft diameter and housing dimensions. The trailing Y identifies the insert bearing type. Looking at SYWK 506 Y, SYWK 507 Y and SYWK 508 Y shows how the sizes step up: a higher number means a larger shaft capacity. For selection, work from the complete part number and the housing's standardized dimensions.

These units appear in conveyors, belts, elevators, mixers, fans, and agricultural or food machinery. The cast iron body with a flat base mounts on sheet metal or profile structures, while the insert bearing's seals hold grease in and keep contaminants out. Because the assembly is compact, replacement is quick on equipment that cannot stay down for long.

When choosing a housing, consider shaft diameter, radial load and the operating environment. Insert seals can be single lip or have extra protection; for water or fine dust, a reinforced version is worth considering. Set screw locking calls for the right shaft tolerance and tightening the set screws with a torque wrench to the recommended torque. Aligning the housings prevents parasitic axial loads. The bearing is greased at the factory, but in service check the grease condition and seal wear periodically.

Housings with insert bearings from different brands are often interchangeable when the main dimensions match: shaft diameter, center height, hole spacing and hole diameter. A similar part number alone is not enough; compare the dimensional data sheet and the locking type. Manufacturers may use different suffixes for the same size. If you are replacing an existing housing, send the part number stamped on the part or measurements taken with a caliper.

At MR Industrial Accessories we supply the SKF SYWK Y line and can help you choose the right housing for your application. If you already have the part number, send it by WhatsApp along with a photo or your shaft measurements, and we will quote it. We can also suggest alternatives for a special configuration. Our team is ready to help you sort out the installation.

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 part number SYWK 504 Y mean?
SYWK indicates a pillow block housing with a Y-series insert bearing and set screw locking. The 504 identifies the assembly size, which corresponds to a standardized shaft diameter. The Y suffix indicates the insert type. Always confirm exact measurements with the manufacturer's data sheet.
How is an SYWK Y housing mounted?
Mount the base on a flat, rigid surface, align the holes and fasten with bolts. Insert the shaft into the bearing and tighten the set screws on the inner ring to the recommended torque. Keep the shaft clean and free of burrs, and make sure the alignment between housings is correct to avoid stress.
Does this housing come lubricated from the factory?
Yes, Y-series insert bearings typically arrive lubricated and sealed. During service, check the grease condition and seals periodically, and relubricate if the environment is demanding. Frequency depends on working conditions, temperature and contaminants.
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