Pillow Block Bearings supplied by Wonzh are mounted bearings that provide a stable and reliable support solution for rotating shafts in industrial machinery. Designed with an integrated housing and self-aligning bearing insert, they offer ease of installation, high load-carrying capacity, and stable operation under heavy-duty conditions.
Manufactured from high-grade bearing steel (GCr15 / AISI 52100 equivalent) with precision machining and optimized heat treatment, Wonzh pillow block bearings deliver consistent dimensional accuracy, low friction, and long service life. The bearing inserts can accommodate slight misalignment and are available in standard and sealed configurations to protect against dust, debris, and contamination.
Widely used in conveyor systems, material handling equipment, pumps, fans, compressors, and general industrial machinery, these bearings are ideal for applications where maintenance efficiency, reliability, and stable rotational performance are critical.
Key Features
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Self-aligning bearing insert to compensate for shaft misalignment
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Heavy-duty housing for secure mounting
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High load capacity and durability
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Sealed and open options for various environments
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Easy installation and maintenance
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Customizable housing materials and bearing types
Typical Applications
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Conveyor and material handling systems
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Industrial fans and blowers
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Pumps and compressors
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Packaging and processing machinery
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Heavy equipment and assembly lines
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Power transmission systems
Technical Parameters (Representative Range)
| Parameter | Specification / Range |
|---|---|
| Bearing Type | Pillow Block Bearing (Mounted Bearing) |
| Material | Housing: Cast Iron or Steel; Bearing: GCr15 / AISI 52100 |
| Bore Size (ID) | 12 mm – 100 mm |
| Housing Type | UCP, UCF, UCFL, or custom designs |
| Load Type | Radial + Axial (moderate) |
| Speed Capability | Medium speed (dependent on bore and load) |
| Operating Temperature | -20°C to +120°C |
| Bearing Insert | Single-row ball bearing / Spherical roller insert |
| Sealing Options | Open / 2RS (rubber seal) / ZZ (metal shield) |
| Lubrication | Grease (standard) / Oil (optional) |
Representative Model Examples
| Series | Example Models | Typical Use |
|---|---|---|
| UCP Series | UCP205, UCP206, UCP207 | Light to medium conveyors, fans |
| UCF Series | UCF208, UCF209 | Heavy-duty machinery, compressors |
| UCFL Series | UCFL210, UCFL211 | Industrial processing, packaging lines |
| UCT Series | UCT212, UCT213 | Mining, material handling |
| Custom Series | Custom bore and housing | Special machinery applications |
Note: Additional sizes, housing designs, and bearing types are available upon request.
Why Choose Wonzh
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High-quality cast iron or steel housings for stability and durability
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Precision bearings with low friction and extended service life
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Self-aligning inserts for shaft misalignment compensation
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Sealed and open options for harsh environments
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Technical support for installation, selection, and customization
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Reliable global supply and on-time delivery
Frequently Asked Questions (FAQ)
Q1: What is a pillow block bearing used for?
Pillow block bearings provide mounted support for rotating shafts in conveyors, fans, pumps, compressors, and general industrial machinery.
Q2: Can these bearings accommodate misalignment?
Yes. Pillow block bearings typically include self-aligning inserts that can compensate for minor shaft misalignment.
Q3: What housing types are available?
Standard types include UCP, UCF, UCFL, and UCT series. Custom housings are available for special machinery applications.
Q4: Are sealed bearings available?
Yes. We offer sealed (2RS rubber seal or ZZ metal shield) and open options depending on environment and application.
Q5: Can you customize bore sizes or housing materials?
Yes. Wonzh supports custom bore sizes, housing materials, and insert types to meet application-specific requirements.











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