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
UCL209-40D1
45
780
100
400
32.5
20.4
UC209D1
UCM211-80D1
55
1210
115
800
43.5
29.2
UC211D1
UCM313-80D1
65
1240
145
800
92.5
60
UC313D1
UCM209-50D1
45
880
102
500
32.5
20.4
UC209D1
UCM211-90D1
55
1310
115
900
43.5
29.2
UC211D1
UCM209-60D1
45
980
102
600
32.5
20.4
UC209D1
UCT212-30D1
60
568
285
300
52.5
36
UC212D1
UCM209-70D1
45
1080
102
700
32.5
20.4
UC209D1
UCM212-50D1
60
920
120
500
52.5
36
UC212D1
UCM209-80D1
45
1180
102
800
32.5
20.4
UC209D1
UCM212-60D1
60
1020
120
600
52.5
36
UC212D1
UCM209-90D1
45
1280
102
900
32.5
20.4
UC209D1
UCM212-70D1
60
1120
120
700
52.5
36
UC212D1
UCT210-30D1
50
524
233
300
35
23.2
UC210D1
UCM212-80D1
60
1220
120
800
52.5
36
UC212D1
UCM210-50D1
50
890
107
500
35
23.2
UC210D1
UCM212-90D1
60
1320
120
900
52.5
36
UC212D1
AELPT203-10
17
260
100
100
9.6
4.6
AEL203
UCT206-15D1
30
337
212
150
19.5
11.3
UC206D1
UCM208-60D1
40
970
97
600
29.1
17.8
UC208D1