Nut

**Introduction to NSK Bearing Accessories Nut: Precision, Reliability, and Performance in Motion Control**

In the world of precision motion and control, every component plays a critical role in ensuring efficiency, durability, and optimal performance. Among these components, the **NSK Bearing Accessories Nut** stands out as a vital element designed to enhance the functionality and longevity of bearing systems in demanding industrial, automotive, and precision equipment applications. Engineered with meticulous attention to detail, NSK’s accessory nuts provide secure fastening, precise alignment, and reliable load distribution—key factors in minimizing vibration, reducing wear, and maintaining operational accuracy.

### **Technical Features and Design Excellence**
The NSK Bearing Accessories Nut is crafted from high-quality materials, such as hardened steel or corrosion-resistant alloys, ensuring exceptional strength and durability under high-stress conditions. Its precision-threaded design guarantees a tight, backlash-free fit, which is crucial for maintaining bearing preload and preventing axial displacement in rotating assemblies. Key features include:

– **Optimized Thread Geometry**: Ensures smooth engagement with mating components, reducing the risk of cross-threading and improving installation efficiency.
– **Surface Treatments**: Advanced coatings, such as phosphate or zinc plating, enhance corrosion resistance and reduce friction, extending service life in harsh environments.
– **Locking Mechanisms**: Some variants incorporate integrated locking features (e.g., nylon inserts or metal deformation zones) to prevent loosening due to vibration or dynamic loads.

### **Performance Advantages for Demanding Applications**
NSK’s accessory nuts are engineered to deliver unmatched performance in critical applications where precision and reliability are non-negotiable. By ensuring consistent clamping force and alignment, these nuts contribute to:

– **Reduced Maintenance Downtime**: Secure fastening minimizes bearing wear and prevents premature failure, lowering total cost of ownership.
– **Enhanced System Rigidity**: Improved load distribution helps maintain precision in high-speed spindles, robotics, and CNC machinery.
– **Vibration Damping**: Tight tolerances and secure locking mitigate vibration-induced noise and fatigue, essential for automotive drivetrains and industrial gearboxes.

### **Typical Applications Across Industries**
The versatility of NSK Bearing Accessories Nuts makes them indispensable in a wide range of applications, including:

– **Industrial Machinery**: Used in spindle units, conveyor systems, and heavy-duty gearboxes where precise bearing retention is critical.
– **Automotive Systems**: Ideal for wheel hubs, transmission assemblies, and electric vehicle (EV) motor bearings, ensuring safety and performance under dynamic loads.
– **Precision Equipment**: Applied in medical devices, semiconductor manufacturing tools, and aerospace actuators, where micron-level accuracy is paramount.

By integrating NSK’s Bearing Accessories Nut into your motion control systems, you benefit from a component designed to meet the highest standards of quality and performance. Whether in high-speed automation, heavy industrial equipment, or cutting-edge automotive technologies, NSK’s engineering expertise ensures reliability when it matters most.

For industries that demand precision, durability, and seamless operation, the NSK Bearing Accessories Nut is a trusted solution—delivering the stability and performance needed to keep systems running smoothly, efficiently, and without compromise.

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Designations Shaft diameter (Reference) Basic Dimensions Associated products
d
mm
d2
mm
B
mm
G Stopper Lock-Washer
AN26
130
165
21
M130x2
AW26
AN13
65
85
12
M65x2
AW13X
AN27
135
175
22
M135x2
AW27
AN14
70
92
12
M70x2
AW14X
ANL28
140
165
22
M140x2
AWL28
AN15
75
98
13
M75x2
AW15X
AN28
140
180
22
M140x2
AW28
AN16
80
105
15
M80x2
AW16X
AN29
145
190
24
M145x2
AW29
AN17
85
110
16
M85x2
AW17X
ANL30
150
180
24
M150x2
AWL30
AN02
15
25
5
M15x1
AW02X
AN18
90
120
16
M90x2
AW18X
AN30
150
195
24
M150x2
AW30
AN03
17
28
5
M17x1
AW03X
AN19
95
125
17
M95x2
AW19X
AN31
155
200
25
M155x3
AN04
20
32
6
M20x1
AW04X
AN20
100
130
18
M100x2
AW20X
ANL32
160
190
25
M160x3
AWL32