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-UKP320D1
90
140
490
380
275
173
141
UK320D1
P320D1
UKPX17D1
75
101.6
381
283
200
96
71.5
UKX17D1
PX17D1
C-UCPX16D1
80
101.6
381
283
194
83.5
64
UCX16D1
PX16D1
C-UCP217D1
85
95.2
310
247
187
83.5
64
UC217D1
P217D1
C-UKPX17D1
75
101.6
381
283
200
96
71.5
UKX17D1
PX17D1
CM-UCPX16D1
80
101.6
381
283
194
83.5
64
UCX16D1
PX16D1
CM-UCP217D1
85
95.2
310
247
187
83.5
64
UC217D1
P217D1
CM-UKPX17D1
75
101.6
381
283
200
96
71.5
UKX17D1
PX17D1
UKPX18D1
80
101.6
381
283
206
109
82
UKX18D1
PX18D1
UCPX17D1
85
101.6
381
283
200
96
71.5
UCX17D1
PX17D1
UKP317D1
75
112
420
320
220
133
97
UK317D1
P317D1
C-UKPX18D1
80
101.6
381
283
206
109
82
UKX18D1
PX18D1
C-UCPX17D1
85
101.6
381
283
200
96
71.5
UCX17D1
PX17D1
C-UKP317D1
75
112
420
320
220
133
97
UK317D1
P317D1
CM-UKPX18D1
80
101.6
381
283
206
109
82
UKX18D1
PX18D1
CM-UCPX17D1
85
101.6
381
283
200
96
71.5
UCX17D1
PX17D1
CM-UKP317D1
75
112
420
320
220
133
97
UK317D1
P317D1
UCPG316D1
80
106
400
300
210
123
86.5
UC316D1
PG316D1
UCIP315D1
75
120
340
280
230
113
77
UC315D1
IP315D1
UCP316D1
80
106
400
300
210
123
86.5
UC316D1
P316D1