**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.
| Designations | Nominal Dimensions | Basic Load Ratings | Included products | ||||
|---|---|---|---|---|---|---|---|
| d mm | H mm | B,B1 mm | Cr kN | C0r kN | Bearing | Housing | |
| 140 | 360 | 145 | 253 | 246 | UC328D1 | C328D1 | |
| 130 | 340 | 135 | 229 | 214 | UC326D1 | C326D1 | |
| 125 | 360 | 131 | 253 | 246 | UK328D1 | C328D1 | |
| 120 | 320 | 126 | 207 | 185 | UC324D1 | C324D1 | |
| 115 | 340 | 121 | 229 | 214 | UK326D1 | C326D1 | |
| 110 | 320 | 112 | 207 | 185 | UK324D1 | C324D1 | |
| 110 | 300 | 117 | 205 | 179 | UC322D1 | C322D1 | |
| 55 | 150 | 65.1 | 52.5 | 36 | UCX11D1 | CX11D1 | |
| 60 | 160 | 71 | 82 | 52 | UC312D1 | C312D1 | |
| 55 | 150 | 66 | 71.5 | 45 | UC311D1 | C311D1 | |
| 55 | 160 | 62 | 57.5 | 40 | UKX12D1 | CX12D1 | |
| 55 | 160 | 62 | 82 | 52 | UK312D1 | C312D1 | |
| 60 | 130 | 65.1 | 52.5 | 36 | UC212D1 | C212D1 | |
| 60 | 130 | 77.8 | 52.5 | 36 | UEL212D1 | C212D1 | |
| 60 | 140 | 65 | 57.5 | 40 | UK213D1 | C213D1 | |
| 60 | 160 | 65.1 | 57.5 | 40 | UCX12D1 | CX12D1 | |
| 50 | 120 | 62.7 | 35 | 23.2 | UEL210D1 | C210D1 | |
| 55 | 130 | 62 | 52.5 | 36 | UK212D1 | C212D1 | |
| 55 | 125 | 71.4 | 43.5 | 29.2 | UEL211D1 | C211D1 | |
| 55 | 125 | 55.6 | 43.5 | 29.2 | UC211D1 | C211D1 | |
| 50 | 150 | 59 | 71.5 | 45 | UK311D1 | C311D1 | |
| 50 | 150 | 59 | 52.5 | 36 | UKX11D1 | CX11D1 | |
| 50 | 140 | 61 | 62 | 38.5 | UC310D1 | C310D1 | |
| 50 | 130 | 55.6 | 43.5 | 29.2 | UCX10D1 | CX10D1 | |
