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You are here: Home / Category / Housed Spherical Roller Bearing Unit / Pillow Blocks – High-Performance Mounted Bearings for Industrial Applications

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Pillow Blocks
Pillow Blocks Pillow Blocks
Pillow Blocks Pillow Blocks

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Pillow Blocks – High-Performance Mounted Bearings for Industrial Applications

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Product Name: Pillow Blocks
Type: Mounted Bearings
Material: High-quality cast steel or cast iron housing
Bearing Type: Spherical roller insert
Design Features: Flanged or standard base, pre-lubricated options
Applications: Industrial machinery, conveyor systems, agricultural equipment, HVAC systems
Key Advantages: High load capacity, long service life, easy installation, low maintenance
Availability:
Quantity:

Our Pillow Blocks are precision-engineered mounted bearings designed to deliver reliable performance in demanding industrial applications. Constructed with high-strength steel or cast iron housings, these bearings combine durability with robust load-handling capabilities. Each unit features a deep groove ball or spherical roller insert that ensures smooth rotation, reducing friction and operational noise while extending the lifespan of both the bearing and the connected machinery.

The housings are finished with anti-corrosion coatings for long-term protection against harsh environmental conditions, and pre-lubricated versions are available to simplify maintenance. Whether installed on heavy-duty conveyors, agricultural machinery, or industrial automation equipment, our Pillow Blocks provide a stable and secure support system for rotating shafts, contributing to consistent and efficient operation.

Visually, these units display a clean, industrial-grade finish with smooth edges and precision-machined surfaces, reflecting the meticulous quality control applied during manufacturing. Touching the product reveals a solid, reassuring weight and smooth texture, signaling reliability and premium construction.


Product Features and Highlights

  • Durable Construction: Made with high-strength cast steel or cast iron for maximum mechanical resilience.

  • High Load Capacity: Designed to withstand heavy radial and axial loads with minimal deformation.

  • Low Friction Operation: Spherical roller inserts reduce energy loss and heat generation.

  • Easy Installation: Standardized mounting holes and flanged designs enable quick alignment and secure fixing.

  • Pre-Lubricated Options: Optional grease-lubricated bearings reduce maintenance intervals and downtime.

  • Corrosion Resistant: Protective surface treatments increase longevity in harsh industrial environments.

  • Versatile Applications: Suitable for conveyors, fans, pumps, mixers, and agricultural machinery.


Technical Parameters


Mounted No.

Shaft Dia.

A

E

C

F

G

L

H

BOLTS

WT.

Lbs..

Min

Max

No.

Size

Steel cage

brass cage

PB22107

PB22108

PB22035

PB52107

PB52108

PB52035

1-7/16

1-1/2

35mm

1-7/8

4-11/16

5-5/16

3-3/4

6-7/8

2-1/4

2-7/8

1

2

1/2

7.9

PB22111

PB22112

PB22045

PB52111

PB52112

PB52045

1-11/16

1-3/4

45mm

2-1/8

5-1/4

5-13/16

4-1/4

7-1/8

2-3/8

3-1/16

1

2

1/2

9.2

PB22115

PB22200

PB22050

PB52115

PB52200

PB52050

1-15/16

2

50mm

2-1/4

5-15/16

6-9/16

4-1/2

8-3/8

2-7/16

3-13/64

1-1/4

2

5/8

12.1

PB22203

PB22204

PB22055

PB52203

PB52204

PB52055

2-3/16

2-1/4

55mm

2-1/2

6-1/2

7-1/16

5

8-7/8

2-1/2

3-13-64

1-1/4

2

5/8

13.2

PB22207

PB22208

PB22065

PB52207

PB52208

PB52065

2-7/16

2-1/2

65mm

2-3/4

6-13/16

7-7/16

5-1/2

9-1/4

2-9/16

3-1/2

1-3/8

2

5/8

19

PB22211

PB22212

PB22215

PB22300

PB22070

PB22175

PB52211

PB52212

PB52215

PB52300

PB52070

PB52175

2-11/16

2-3/4

2-15/16

3

70mm

75mm

3-1/4

7-46/64

8-7/16

6-3/8

10-7/16

2-35/64

3-7/8

1-3/8

2

3/4

24

Mounted No.

Shaft Dia.

A

E

C

F

G

L

H

BOLTS

WT.

Lbs..

Steel cage

brass cage

Min

Max

No.

Size

PB22303

PB22304

PB22307

PB22308

PB22080

PB22090

PB52303

PB52304

PB52307

PB52308

PB52080

PB52090

3-3/16

3-1/4

3-7/16

3-1/2

80mm

90mm

3-3/4

9-1/4

10-3/4

7-1/2

13

3-1/8

4

1-7/8

2

7/8

39.2

PB22315

PB22400

PB22100

PB52315

PB52400

PB52100

3-15/16

4

100mm

4-1/4

10-3/64

12-39/64

8-1/4

14-1/4

3-7/8

4-9/16

2

2

1

52




PB24207

PB24208

PB24065

PB54207

PB54208

PB54065

2-7/16

2-1/2

65mm

2-3/4

6-7/8

7-5/8

5-9/16

9-1/4

3

3-1/2

1-1/2

4

5/8

25

PB24211

PB24212

PB24215

PB24300

PB24070

PB24075

PB54211

PB54212

PB54215

PB54300

PB54070

PB54075

2-11/16

2-3/4

2-15/16

3

70mm

75mm

3-1/4

7-39/64

9-7/64

6-3/8

10-7/16

3-1/8

3-7/8

1-5/8

4

5/8

30

PB24303

PB24304

PB24307

PB24308

PB24085

PB24090

PB54303

PB54304

PB54307

PB54308

PB54085

PB54090

3-3/16

3-1/4

3-7/16

3-1/2

85mm

90mm

3-3/4

8-7/8

10-7/8

7-39/64

12-5/16

3-3/4

4-1/8

1-7/8

4

3/4

50

PB24311

PB24315

PB24400

PB24100

PB54311

PB54315

PB54400

PB54100

3-11/16

3-15/16

4

100mm

4-1/4

10-29/32

13-3/8

8-9/16

14-7/8

4-5/16

4-7/8

2

4

3/4

63

PB24407

PB24408

PB24110

PB24115

PB54407

PB54408

PB54110

PB54115

4-7/16

4-1/2

110mm

115mm

4-3/4

11-7/8

14-1/2

9-1/4

16-1/8

4-3/4

5-7/8

2

4

3/4

80

PB24415

PB24500

PB24130

PB54415

PB54500

PB54130

4-15/16

5

130mm

5-1/2

14

16-1/2






4

7/8


Note: Dimensions and load ratings may vary by configuration. Contact us for custom requirements.


Applications

Our Pillow Blocks excel in a wide range of industrial settings:

  • Conveyor Systems: Provide stable shaft support for continuous operation in factories.

  • Agricultural Equipment: Withstand vibration and dust exposure in farm machinery.

  • HVAC Systems: Reduce noise and friction for fans, blowers, and ventilators.

  • Industrial Mixers and Pumps: Maintain alignment under high rotational loads.

  • Material Handling Equipment: Improve reliability and lifespan of rollers and shafts.


Installation and Maintenance

  • Easy Alignment: Pre-drilled mounting holes enable precise and secure installation.

  • Lubrication: Bearings come pre-lubricated; periodic re-greasing recommended for high-load applications.

  • Maintenance Tip: Inspect regularly for signs of wear or misalignment to avoid unexpected downtime.

  • Replacement: Modular inserts allow quick replacement without removing the housing.


Why Choose Us

  • Premium Quality: Every Pillow Block is manufactured under strict quality control to meet industrial standards.

  • B2B Focus: Tailored solutions for industrial applications with bulk ordering options.

  • Customizable Options: Bore size, housing type, and lubrication can be customized to meet your operational needs.

  • Global Support: Reliable shipping and after-sales support for international clients.

  • Trusted Performance: Our products reduce downtime and maintenance costs, delivering measurable improvements to your operations.


Customer Stories

  • Factory Optimization: A packaging machinery company reduced vibration and noise on their conveyor lines, extending equipment life by 20% using our Pillow Blocks.

  • Agricultural Machinery: Farmers have reported smoother operation and lower maintenance frequency on heavy-duty tractors and harvesters.

  • Industrial Automation: Manufacturing plants using our flanged Pillow Blocks experienced fewer shaft misalignments, ensuring uninterrupted production.


FAQ

Q1: What types of bearings are used in Pillow Blocks?
A1: We offer spherical roller inserts, chosen based on load requirements and operational conditions.

Q2: Can these Pillow Blocks be used outdoors?
A2: Yes, our housings are corrosion-resistant and suitable for outdoor and dusty environments.

Q3: How do I choose the correct size?
A3: Refer to our technical parameters table or contact our sales team with your shaft diameter and load specifications.

Q4: Are there pre-lubricated options?
A4: Yes, many models come pre-greased to reduce maintenance and simplify installation.

Q5: Do you offer customized Pillow Blocks?
A5: Absolutely. We can provide customized bore diameters, housing materials, and mounting configurations for specific industrial requirements.

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A Specialist on
Spherical Roller Bearings
Since 1969

No.219 Changjiang East Road,
Xinwu District, Wuxi, Jiangsu,
China 214142

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