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
UCL208-40D1
40
770
97
400
29.1
17.8
UC208D1
ASPT203-10
17
260
100
100
9.6
4.6
AS203
UCL205-40D1
25
740
82
400
14
7.85
UC205D1
UCM208-50D1
40
870
97
500
29.1
17.8
UC208D1
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
UCT203-15D1
17
317
199
150
12.8
6.65
UC203D1
UCL206-10D1
30
450
87
100
19.5
11.3
UC206D1
ASPT204-10
20
260
100
100
12.8
6.65
AS204
UCL206-20D1
30
550
87
200
19.5
11.3
UC206D1
AELPT204-10
20
260
100
100
12.8
6.65
AEL204
UCL206-30D1
30
650
87
300
19.5
11.3
UC206D1
UCT204-15D1
20
317
199
150
12.8
6.65
UC204D1
UCL206-40D1
30
750
87
400
19.5
11.3
UC206D1
UCL204-10D1
20
430
77
100
12.8
6.65
UC204D1
UCT207-23D1
35
429
212
230
25.7
15.3
UC207D1
UCL204-20D1
20
530
77
200
12.8
6.65
UC204D1
UCL207-10D1
35
460
92
100
25.7
15.3
UC207D1
UCL204-30D1
20
630
77
300
12.8
6.65
UC204D1
UCL207-20D1
35
560
92
200
25.7
15.3
UC207D1