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
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
UKIP328D1
125
200
590
500
400
253
246
UK328D1
IP328D1
CM-UCP322D1
110
150
520
400
300
205
179
UC322D1
P322D1
UKP328D1
125
200
620
500
390
253
246
UK328D1
P328D1
UKP324D1
110
160
570
450
320
207
185
UK324D1
P324D1
C-UKP328D1
125
200
620
500
390
253
246
UK328D1
P328D1
C-UKP324D1
110
160
570
450
320
207
185
UK324D1
P324D1
CM-UKP328D1
125
200
620
500
390
253
246
UK328D1
P328D1
UCIP317D1
85
130
370
310
255
133
97
UC317D1
IP317D1
UCIP318D1
90
130
400
330
260
143
107
UC318D1
IP318D1
CM-UCP320D1
100
140
490
380
275
173
141
UC320D1
P320D1
UKIP319D1
85
150
410
340
285
153
119
UK319D1
IP319D1
UKP320D1
90
140
490
380
275
173
141
UK320D1
P320D1
UCPG218D1
90
101.6
327
262
200
96
71.5
UC218D1
PG218D1
C-UKP320D1
90
140
490
380
275
173
141
UK320D1
P320D1