**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 | |
| 50 | 125 | 59 | 43.5 | 29.2 | UK211D1 | C211D1 | |
| 50 | 120 | 51.6 | 35 | 23.2 | UC210D1 | C210D1 | |
| 80 | 225 | 86 | 143 | 107 | UK318D1 | C318D1 | |
| 105 | 260 | 112 | 184 | 153 | UC321D1 | C321D1 | |
| 100 | 300 | 105 | 205 | 179 | UK322D1 | C322D1 | |
| 100 | 260 | 108 | 173 | 141 | UC320D1 | C320D1 | |
| 95 | 240 | 103 | 153 | 119 | UC319D1 | C319D1 | |
| 90 | 260 | 97 | 173 | 141 | UK320D1 | C320D1 | |
| 90 | 225 | 96 | 143 | 107 | UC318D1 | C318D1 | |
| 85 | 240 | 90 | 153 | 119 | UK319D1 | C319D1 | |
| 85 | 215 | 96 | 133 | 97 | UC317D1 | C317D1 | |
| 60 | 170 | 65 | 92.5 | 60 | UK313D1 | C313D1 | |
| 80 | 200 | 86 | 123 | 86.5 | UC316D1 | C316D1 | |
| 75 | 215 | 82 | 133 | 97 | UK317D1 | C317D1 | |
| 75 | 190 | 82 | 113 | 77 | UC315D1 | C315D1 | |
| 70 | 200 | 78 | 123 | 86.5 | UK316D1 | C316D1 | |
| 70 | 180 | 78 | 104 | 68 | UC314D1 | C314D1 | |
| 65 | 190 | 73 | 113 | 77 | UK315D1 | C315D1 | |
| 65 | 170 | 75 | 92.5 | 60 | UC313D1 | C313D1 | |
| 65 | 140 | 65.1 | 57.5 | 40 | UC213D1 | C213D1 | |
| 45 | 140 | 55 | 62 | 38.5 | UK310D1 | C310D1 | |
| 45 | 130 | 57 | 53 | 32 | UC309D1 | C309D1 | |
| 45 | 130 | 55 | 43.5 | 29.2 | UKX10D1 | CX10D1 | |
| 30 | 100 | 43 | 26.7 | 15 | UC306D1 | C306D1 | |
