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
UCC322D1
110
300
117
205
179
UC322D1
C322D1
UKC324D1
110
320
112
207
185
UK324D1
C324D1
UKC326D1
115
340
121
229
214
UK326D1
C326D1
UCC324D1
120
320
126
207
185
UC324D1
C324D1
UKC328D1
125
360
131
253
246
UK328D1
C328D1
UCC326D1
130
340
135
229
214
UC326D1
C326D1
UCC328D1
140
360
145
253
246
UC328D1
C328D1
UCC310D1
50
140
61
62
38.5
UC310D1
C310D1
UCC213D1
65
140
65.1
57.5
40
UC213D1
C213D1
UCC321D1
105
260
112
184
153
UC321D1
C321D1
UKCX11D1
50
150
59
52.5
36
UKX11D1
CX11D1
UCC313D1
65
170
75
92.5
60
UC313D1
C313D1
UKC311D1
50
150
59
71.5
45
UK311D1
C311D1
UKC315D1
65
190
73
113
77
UK315D1
C315D1
UCC211D1
55
125
55.6
43.5
29.2
UC211D1
C211D1
UCC314D1
70
180
78
104
68
UC314D1
C314D1
UELC211D1
55
125
71.4
43.5
29.2
UEL211D1
C211D1
UKC316D1
70
200
78
123
86.5
UK316D1
C316D1
UKC212D1
55
130
62
52.5
36
UK212D1
C212D1
UCC315D1
75
190
82
113
77
UC315D1
C315D1
UCCX11D1
55
150
65.1
52.5
36
UCX11D1
CX11D1
UKC317D1
75
215
82
133
97
UK317D1
C317D1
UCC311D1
55
150
66
71.5
45
UC311D1
C311D1
UCC316D1
80
200
86
123
86.5
UC316D1
C316D1