Cartridge Units

**Introduction to NSK Bearing Units & Cartridge Units: Precision Motion Solutions for Demanding Applications**

In industries where reliability, precision, and durability are critical, NSK’s **Bearing Units and Cartridge Units** stand out as high-performance solutions designed to optimize motion control in demanding environments. These precision-engineered components are integral to a wide range of applications, from industrial machinery and automotive systems to medical devices and robotics, where smooth rotational performance and long service life are essential.

### **Technical Features & Design Excellence**
NSK’s **Bearing Units** and **Cartridge Units** incorporate advanced bearing technology within a robust, pre-assembled housing, ensuring ease of installation and maintenance-free operation. Key features include:

– **High-Precision Bearings:** Equipped with deep groove ball bearings or specialty bearings (such as angular contact or tapered roller bearings) for optimal load capacity and rotational accuracy.
– **Sealed & Lubricated for Life:** Many units come with integrated seals and pre-greased bearings, minimizing contamination and eliminating the need for relubrication.
– **Rigid Housing Designs:** Manufactured from high-strength cast iron, pressed steel, or stainless steel, providing superior alignment stability and resistance to shock loads.
– **Interchangeability & Standardization:** Compliant with ISO and JIS standards, ensuring compatibility with global machinery designs and simplifying replacements.
– **Thermal & Corrosion Resistance:** Special coatings and materials are available for harsh environments, including food processing, chemical exposure, or high-temperature applications.

### **Performance Advantages**
NSK’s Cartridge Bearing Units deliver several operational benefits:

– **Reduced Downtime:** Pre-assembled units with sealed bearings prevent premature failure due to dust, moisture, or misalignment.
– **Energy Efficiency:** Low-friction designs minimize power consumption in conveyor systems, pumps, and electric motors.
– **Noise & Vibration Damping:** Precision-ground components ensure smooth, quiet operation, critical for medical equipment and precision manufacturing.
– **Extended Service Life:** Advanced materials and lubrication technologies enhance durability, even under heavy radial or axial loads.

### **Typical Applications**
These units are widely used across industries where reliability is non-negotiable:

– **Industrial Machinery:** Conveyors, gearboxes, and agricultural equipment benefit from their robustness in dusty or wet conditions.
– **Automotive Systems:** Wheel hubs, steering columns, and transmission assemblies rely on their high load capacity and precision.
– **Precision Equipment:** Robotics, CNC spindles, and medical imaging devices demand the low-vibration performance of NSK’s cartridge designs.

By integrating NSK’s **Bearing Units and Cartridge Units**, engineers can achieve superior motion control with reduced maintenance, ensuring efficiency and longevity in even the most challenging applications. Whether in high-speed automation or heavy industrial use, NSK’s solutions provide the reliability needed to keep systems running smoothly.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
H
mm
B,B1
mm
Cr
kN
C0r
kN
Bearing Housing
UCC328D1
140
360
145
253
246
UC328D1
C328D1
UCC326D1
130
340
135
229
214
UC326D1
C326D1
UKC328D1
125
360
131
253
246
UK328D1
C328D1
UCC324D1
120
320
126
207
185
UC324D1
C324D1
UKC326D1
115
340
121
229
214
UK326D1
C326D1
UKC324D1
110
320
112
207
185
UK324D1
C324D1
UCC322D1
110
300
117
205
179
UC322D1
C322D1
UCCX11D1
55
150
65.1
52.5
36
UCX11D1
CX11D1
UCC312D1
60
160
71
82
52
UC312D1
C312D1
UCC311D1
55
150
66
71.5
45
UC311D1
C311D1
UKCX12D1
55
160
62
57.5
40
UKX12D1
CX12D1
UKC312D1
55
160
62
82
52
UK312D1
C312D1
UCC212D1
60
130
65.1
52.5
36
UC212D1
C212D1
UELC212D1
60
130
77.8
52.5
36
UEL212D1
C212D1
UKC213D1
60
140
65
57.5
40
UK213D1
C213D1
UCCX12D1
60
160
65.1
57.5
40
UCX12D1
CX12D1
UELC210D1
50
120
62.7
35
23.2
UEL210D1
C210D1
UKC212D1
55
130
62
52.5
36
UK212D1
C212D1
UELC211D1
55
125
71.4
43.5
29.2
UEL211D1
C211D1
UCC211D1
55
125
55.6
43.5
29.2
UC211D1
C211D1
UKC311D1
50
150
59
71.5
45
UK311D1
C311D1
UKCX11D1
50
150
59
52.5
36
UKX11D1
CX11D1
UCC310D1
50
140
61
62
38.5
UC310D1
C310D1
UCCX10D1
50
130
55.6
43.5
29.2
UCX10D1
CX10D1