Take-up Stretcher UnitsTM

**NSK Bearing Units Power Stretcher Units™ with Precision and Reliability**

In demanding industrial and automotive applications, the smooth and precise operation of motion systems is critical to performance, efficiency, and longevity. NSK, a global leader in motion and control technologies, has engineered advanced **Bearing Units for Stretcher Units™** that deliver exceptional durability, accuracy, and load-handling capabilities. These units are designed to meet the rigorous demands of applications where controlled linear or rotational motion is essential—such as textile machinery, automotive assembly systems, and precision manufacturing equipment.

### **Technical Features & Innovations**
NSK’s Bearing Units for Stretcher Units™ incorporate high-performance **sealed ball bearings** with optimized internal geometries to minimize friction while supporting high radial and axial loads. Key technical advancements include:

– **Precision-Ground Raceways:** Ensures smooth motion with minimal vibration, critical for applications requiring consistent tension control (e.g., fabric stretching in textile production).
– **Integrated Sealing Solutions:** Multi-lip seals protect against contaminants like dust, moisture, and particulate ingress, extending service life in harsh environments.
– **Corrosion-Resistant Materials:** Options include stainless steel or special coatings for applications exposed to chemicals or humidity (e.g., food processing, automotive paint lines).
– **Pre-Lubrication & Maintenance-Free Designs:** Reduced downtime with long-lasting grease formulations that withstand high speeds and temperatures.

### **Performance Advantages**
By leveraging NSK’s expertise in tribology and material science, these bearing units offer:

– **Higher Load Capacity:** Robust construction supports heavy dynamic loads without deformation, ideal for automotive conveyor systems or metal-forming machinery.
– **Energy Efficiency:** Low torque design reduces power consumption in continuous-operation machines.
– **Extended Service Life:** Advanced heat treatment and surface finishing techniques reduce wear, even under cyclic stress.
– **Easy Installation:** Standardized housing designs simplify integration into existing stretcher mechanisms.

### **Typical Applications**
NSK’s Bearing Units are trusted in industries where precision motion control is non-negotiable:

– **Textile Machinery:** Synchronized stretching of fabrics or fibers with uniform tension.
– **Automotive Systems:** Conveyor belts, robotic welding arms, and assembly line positioning units.
– **Packaging & Printing:** Precision web handling to prevent material slippage or tearing.
– **Industrial Automation:** Linear guides and actuators in CNC equipment or pick-and-place systems.

### **Conclusion**
NSK’s Bearing Units for Stretcher Units™ exemplify the company’s commitment to innovation in motion control. By combining precision engineering with rugged reliability, these units help manufacturers enhance productivity, reduce maintenance costs, and achieve consistent performance in the most demanding environments. Whether in high-speed automation or heavy-load industrial systems, NSK’s solutions ensure smooth, uninterrupted operation—keeping industries moving forward.

For tailored solutions, consult NSK’s technical team to match the ideal bearing unit to your application requirements.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
L
mm
H
mm
J,J2
mm
Cr
kN
C0r
kN
Bearing
UCM210-70D1
50
1090
107
700
35
23.2
UC210D1
UCM213-50D1
65
940
125
500
57.5
40
UC213D1
UCM208-80D1
40
1170
97
800
29.1
17.8
UC208D1
UCM210-80D1
50
1190
107
800
35
23.2
UC210D1
UCM313-50D1
65
940
145
500
92.5
60
UC313D1
UCM208-90D1
40
1270
97
900
29.1
17.8
UC208D1
UCM210-90D1
50
1290
107
900
35
23.2
UC210D1
UCM213-60D1
65
1040
125
600
57.5
40
UC213D1
UCL209-10D1
45
480
100
100
32.5
20.4
UC209D1
UCT211-30D1
55
542
285
300
43.5
29.2
UC211D1
UCM313-60D1
65
1040
145
600
92.5
60
UC313D1
UCT209-30D1
45
520
233
300
32.5
20.4
UC209D1
UCM211-50D1
55
910
115
500
43.5
29.2
UC211D1
UCM213-70D1
65
1140
125
700
57.5
40
UC213D1
UCL209-20D1
45
580
100
200
32.5
20.4
UC209D1
UCM211-60D1
55
1010
115
600
43.5
29.2
UC211D1
UCM313-70D1
65
1140
145
700
92.5
60
UC313D1
UCL209-30D1
45
680
100
300
32.5
20.4
UC209D1
UCM211-70D1
55
1110
115
700
43.5
29.2
UC211D1
UCM213-80D1
65
1240
125
800
57.5
40
UC213D1