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-UKP328D1
125
200
620
500
390
253
246
UK328D1
P328D1
CM-UKP319D1
85
125
470
360
250
153
119
UK319D1
P319D1
CM-UKPX20D1
90
127
432
337
244
133
105
UKX20D1
PX20D1
C-UCP320D1
100
140
490
380
275
173
141
UC320D1
P320D1
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
UCP218D1
90
101.6
327
262
200
96
71.5
UC218D1
P218D1
CM-UKP320D1
90
140
490
380
275
173
141
UK320D1
P320D1
C-UCP218D1
90
101.6
327
262
200
96
71.5
UC218D1
P218D1
UKIP320D1
90
150
430
360
295
173
141
UK320D1
IP320D1
CM-UCP218D1
90
101.6
327
262
200
96
71.5
UC218D1
P218D1
UCPG319D1
95
125
470
360
250
153
119
UC319D1
PG319D1
UCPX18D1
90
101.6
381
283
206
109
82
UCX18D1
PX18D1
UCP319D1
95
125
470
360
250
153
119
UC319D1
P319D1
C-UCPX18D1
90
101.6
381
283
206
109
82
UCX18D1
PX18D1