How many types of pillow blocks are there?

Sep 18, 2025

Pillow blocks are classified by their housing type, such as P series, F series, FL series... and by The shape of the bottom of the housing, we have solid base housing and hollow housing. Other classifications include materials like cast iron or stainless steel.

Based on Housing Type

Pillow Block Bearing Units:

Common models such as UCP series are suitable for vertical installation.They are widely used in industrial scenarios such as mining machinery, metallurgical equipment, agricultural machinery, textile machinery, and conveying equipment that require simple support, such as belt conveyor rollers, machine tool spindles, and construction machinery transmissions

plummer blocksucpx10 bearings

Square Flange Bearing Housing:

Such as UCF series, they suitable for square structure installation.They have the characteristics of compact structure and easy installation, and are widely used in rotating parts of industrial equipment

a Plummer Block Bearingsolid pillow block

2 Bolt Flange Bearings:

Such as the UCFL series, with a diamond shaped structure.Adopting the combination of outer spherical surface and concave spherical surface of bearing housing to achieve automatic centering, the insert bearings are equipped with rubber sealing ring and dust cover for better sealing effect.

bearing in Transmission equipmentAdapter Sleeve UK205

Take Up Bearing Unit:

UCT series, they are suitable for sliding block connection structures.They are wildly used in Welding machine, sealing machinery, environmental protection equipment, vortex pump disinfection and sterilization equipment, cutting equipment, blasting equipment, metal packaging machinery, raw water treatment equipment.

adapter sleeve bearing1 UCT208

Base On The shape of the bottom of the housing

Solid Base Pillow Block Bearing

Solid base housings are produced without cavities and fillers,the bearings with solid base housings are stronger and more durable.They are widely used in fields such as mechanical manufacturing, metallurgical equipment, port machinery, and wind power equipment

1SER insert bearingThermoplastic Housing Units

Hollow Base Pillow Block Bearing

This is the most common bearing housings which can be applied in many different situations

2 inch stainless steel ball22209CC spherical roller bearing

Based on Material of housing

Cast Iron: This is a common material for housings, and the can offer good strength and durability.They are mainly used for the installation and support of bearings in mechanical equipment, with features such as modular design and enhanced base structure

1ucp208 mounted bearingsucpx10 bearings

Pressed Steel: This kind of housings can Provide strength and be used in various applications.

440c steel ball125 flange bearing

Stainless Steel: Stainless steel houisngs are durable and corrosion-resistant and then they can be used in specific environments, such as food machinery, pharmaceutical industry.

1zinc Alloy Bearing1type pillow block

There are also other type of pillow block bearings that we can produce, contact us frank@winstarbearing.com to know more about pillow block bearings.

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