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
ASPP201
12
22.2
86
68
43.8
9.6
4.6
AS201
PP203
ASRPP202
15
25.4
98
76
3.2
9.6
4.6
AS202
PP204
AELRPP203
17
25.4
98
76
50.5
9.6
4.6
AEL203
PP204
AELPP201
12
22.2
86
68
43.8
9.6
4.6
AEL201
PP203
AELRPP202
15
25.4
98
76
50.5
9.6
4.6
AEL202
PP204
UCUP203D1
17
30.2
76
52
62
12.8
6.65
UC203D1
UP204D1
ASRPP201
12
25.4
98
76
3.2
9.6
4.6
AS201
PP204
UCUP202D1
15
30.2
76
52
62
12.8
6.65
UC202D1
UP204D1
ASPB203
17
30.2
114
87
57
9.6
4.6
AS203
PB201
AELRPP201
12
25.4
98
76
50.5
9.6
4.6
AEL201
PP204
ASPB202
15
30.2
114
87
57
9.6
4.6
AS202
PB201
AELPB203
17
30.2
114
87
57
9.6
4.6
AEL203
PB201
UCUP201D1
12
30.2
76
52
62
12.8
6.65
UC201D1
UP204D1
AELPB202
15
30.2
114
87
57
9.6
4.6
AEL202
PB201
CSPB203LLU
17
30.2
114
87
57
9.6
4.6
CS203LLU
PB201
ASPB201
12
30.2
114
87
57
9.6
4.6
AS201
PB201
UCPE202D1
15
30.2
120
95
61
12.8
6.65
UC202D1
PE203D1
UCPE203D1
17
30.2
120
95
61
12.8
6.65
UC203D1
PE203D1
AELPB201
12
30.2
114
87
57
9.6
4.6
AEL201
PB201
UCPG202D1
15
30.2
127
95
62
12.8
6.65
UC202D1
PG203D1