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
UCC317D1
85
215
96
133
97
UC317D1
C317D1
UCC309D1
45
130
57
53
32
UC309D1
C309D1
UCC212D1
60
130
65.1
52.5
36
UC212D1
C212D1
UKC319D1
85
240
90
153
119
UK319D1
C319D1
UKC310D1
45
140
55
62
38.5
UK310D1
C310D1
UELC212D1
60
130
77.8
52.5
36
UEL212D1
C212D1
UCC318D1
90
225
96
143
107
UC318D1
C318D1
UCC305D1
25
90
38
21.2
10.9
UC305D1
C305D1
UKCX08D1
35
120
46
32.5
20.4
UKX08D1
CX08D1
UCCX05D1
25
90
38.1
19.5
11.3
UCX05D1
CX05D1
UKC308D1
35
120
46
40.5
24
UK308D1
C308D1
UKCX06D1
25
100
38
25.7
15.3
UKX06D1
CX06D1
UCC208D1
40
100
49.2
29.1
17.8
UC208D1
C208D1
UKC306D1
25
100
38
26.7
15
UK306D1
C306D1
UELC208D1
40
100
56.3
29.1
17.8
UEL208D1
C208D1
UCC206D1
30
85
38.1
19.5
11.3
UC206D1
C206D1
UKC209D1
40
110
50
32.5
20.4
UK209D1
C209D1
UCC201D1
12
72
31
12.8
6.65
UC201D1
C204D1
UELC206D1
30
85
48.4
19.5
11.3
UEL206D1
C206D1
UCCX08D1
40
120
49.2
32.5
20.4
UCX08D1
CX08D1