Pillow Block Bearing Units

**Introduction to NSK Bearing Units: Pillow Block Bearing Units for Precision Motion and Control**

In industrial machinery, automotive systems, and precision equipment, the reliability and efficiency of rotating components are critical to overall performance. NSK’s **Pillow Block Bearing Units** are engineered to deliver exceptional durability, precision, and ease of installation, making them a preferred choice for demanding applications. These units combine high-quality bearings with robust housings to provide a complete, ready-to-mount solution that reduces downtime, simplifies maintenance, and enhances operational efficiency.

### **Technical Features & Design Excellence**
NSK’s Pillow Block Bearing Units are designed with advanced materials and precision manufacturing techniques to ensure long service life and consistent performance under harsh operating conditions. Key features include:

– **High-Strength Housings**: Made from cast iron, pressed steel, or composite materials, the housings provide superior rigidity and resistance to shock loads, vibration, and contamination.
– **Sealed & Lubricated Bearings**: Equipped with high-performance seals and pre-lubrication, these units minimize friction, prevent contamination, and extend maintenance intervals.
– **Self-Aligning Capability**: Many models incorporate spherical bearings that automatically compensate for shaft misalignment, reducing wear and improving load distribution.
– **Corrosion-Resistant Coatings**: Special surface treatments and coatings enhance resistance to moisture, chemicals, and abrasive environments.
– **Easy Installation & Interchangeability**: Standardized dimensions and adapter sleeves allow for quick replacement and compatibility with existing systems.

### **Performance Advantages**
NSK Pillow Block Bearing Units are optimized for high-load, high-speed, and harsh-environment applications, offering several key advantages:

– **Extended Service Life**: Advanced sealing technology and premium grease lubrication reduce wear, even in dusty or wet conditions.
– **Reduced Maintenance Costs**: Pre-assembled units with integrated seals and lubrication eliminate the need for frequent re-greasing.
– **Enhanced Load Capacity**: Robust construction supports heavy radial and axial loads, making them ideal for conveyors, fans, and industrial drives.
– **Quiet & Smooth Operation**: Precision-ground components minimize vibration and noise, critical for automotive and precision machinery applications.

### **Typical Applications**
Due to their versatility and reliability, NSK Pillow Block Bearing Units are widely used across industries, including:

– **Industrial Machinery**: Conveyor systems, pumps, compressors, and agricultural equipment.
– **Automotive Systems**: Auxiliary drives, belt tensioners, and transmission components.
– **Material Handling**: Food processing, packaging lines, and logistics automation.
– **Precision Equipment**: Printing machinery, textile manufacturing, and robotics.

By integrating **NSK Pillow Block Bearing Units** into your systems, you benefit from a proven solution that enhances performance, reduces downtime, and lowers total cost of ownership. Whether in high-load industrial applications or precision automotive systems, NSK’s engineering excellence ensures smooth, reliable motion control for the long haul.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
H
mm
L
mm
J
mm
H2
mm
Cr
kN
C0r
kN
Bearing Housing
CM-UCP328D1
140
200
620
500
390
253
246
UC328D1
P328D1
UKIP322D1
100
170
490
410
335
205
179
UK322D1
IP322D1
CM-UKP326D1
115
180
600
480
355
229
214
UK326D1
P326D1
UCIP328D1
140
200
590
500
400
253
246
UC328D1
IP328D1
UCPG321D1
105
140
490
380
280
184
153
UC321D1
PG321D1
UKIP326D1
115
200
550
470
390
229
214
UK326D1
IP326D1
UCPG328D1
140
200
620
500
390
253
246
UC328D1
PG328D1
UCP321D1
105
140
490
380
280
184
153
UC321D1
P321D1
UCPG324D1
120
160
570
450
320
207
185
UC324D1
PG324D1
UCP328D1
140
200
620
500
390
253
246
UC328D1
P328D1
C-UCP321D1
105
140
490
380
280
184
153
UC321D1
P321D1
UCP324D1
120
160
570
450
320
207
185
UC324D1
P324D1
C-UCP328D1
140
200
620
500
390
253
246
UC328D1
P328D1
CM-UCP321D1
105
140
490
380
280
184
153
UC321D1
P321D1
C-UCP324D1
120
160
570
450
320
207
185
UC324D1
P324D1
UCPG322D1
110
150
520
400
300
205
179
UC322D1
PG322D1
CM-UCP324D1
120
160
570
450
320
207
185
UC324D1
P324D1
UCP322D1
110
150
520
400
300
205
179
UC322D1
P322D1
UCIP324D1
120
170
510
430
345
207
185
UC324D1
IP324D1
C-UCP322D1
110
150
520
400
300
205
179
UC322D1
P322D1