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-UKP205D1
20
36.5
140
105
14
7.85
UK205D1
P205D1
UCUP204D1
20
30.2
76
52
62
12.8
6.65
UC204D1
UP204D1
UKP205D1
20
36.5
140
105
71
14
7.85
UK205D1
P205D1
UCPE204D1
20
33.3
120
95
64
12.8
6.65
UC204D1
PE204D1
Z-UKP205D1
20
36.5
140
105
71
14
7.85
UK205D1
P205D1
F-UCPM204/LP99
20
33.3
120
95
64
9.9
6.65
F-UC204D1/LP99
PM204
ZM-UKP205D1
20
36.5
140
105
71
14
7.85
UK205D1
P205D1
ASPB204
20
33.3
125
97
65
12.8
6.65
AS204
PB204
C-UKPX05D1
20
44.4
159
119
19.5
11.3
UKX05D1
PX05D1
AELPB204
20
33.3
125
97
65
12.8
6.65
AEL204
PB204
CM-UKPX05D1
20
44.4
159
119
19.5
11.3
UKX05D1
PX05D1
CSPB204LLU
20
33.3
125
97
65
12.8
6.65
CS204LLU
PB204
UKPX05D1
20
44.4
159
119
85
19.5
11.3
UKX05D1
PX05D1
UCPG204D1
20
33.3
127
95
65
12.8
6.65
UC204D1
PG204D1
C-UKP305D1
20
45
175
132
21.2
10.9
UK305D1
P305D1
Z-UCP203D1
17
30.2
127
95
62
12.8
6.65
UC203D1
P203D1
UCP204D1
20
33.3
127
95
65
12.8
6.65
UC204D1
P204D1
CM-UKP305D1
20
45
175
132
21.2
10.9
UK305D1
P305D1
ZM-UCP203D1
17
30.2
127
95
62
12.8
6.65
UC203D1
P203D1
Z-UCP204D1
20
33.3
127
95
65
12.8
6.65
UC204D1
P204D1