**NTN Needle Roller Bearings, Thrust Bearings, and Thrust Roller & Cage Assemblies: Precision Performance for Demanding Applications**
NTN is a globally recognized leader in the design and manufacturing of high-performance rolling bearings, delivering innovative solutions for industrial machinery, automotive systems, and precision equipment. Among its extensive product portfolio, NTN’s **Needle Roller Bearings, Thrust Bearings, and Thrust Roller & Cage Assemblies** stand out for their exceptional load capacity, compact design, and reliability in high-stress environments. These components are engineered to meet the rigorous demands of modern applications, ensuring durability, reduced friction, and enhanced operational efficiency.
### **Technical Features & Design Advantages**
#### **1. Needle Roller Bearings**
NTN’s **Needle Roller Bearings** are designed with slender, cylindrical rollers that provide a high load-carrying capacity within a minimal radial space. Their compact design makes them ideal for applications where space constraints are critical, such as automotive transmissions, gearboxes, and industrial pumps. Key features include:
– **High Radial Load Capacity** – Optimized roller geometry ensures superior load distribution, reducing stress concentrations.
– **Low Friction & High-Speed Capability** – Precision-ground rollers and cages minimize rotational resistance, enhancing efficiency.
– **Versatile Configurations** – Available in drawn cup, caged, and full-complement designs for various load and speed requirements.
#### **2. Thrust Bearings**
NTN’s **Thrust Bearings** are engineered to handle **axial loads** in one or both directions, making them essential for applications like automotive clutches, steering systems, and heavy machinery. Their robust construction includes:
– **High Axial Load Support** – Designed with flat or spherical washers to accommodate misalignment and heavy thrust forces.
– **Low Profile & Space Efficiency** – Ideal for compact assemblies where height restrictions exist.
– **Heat-Treated Components** – Hardened raceways and rollers enhance wear resistance and longevity.
#### **3. Thrust Roller & Cage Assemblies**
For applications requiring **high axial load capacity with minimal friction**, NTN’s **Thrust Roller & Cage Assemblies** provide an optimized solution. These assemblies consist of precision rollers retained in a robust cage, ensuring smooth operation under heavy loads. Benefits include:
– **Reduced Sliding Friction** – Rollers replace sliding contact, minimizing heat generation and wear.
– **Enhanced Durability** – High-grade steel and advanced heat treatment extend service life.
– **Customizable Designs** – Available in various sizes and configurations to suit specific application needs.
### **Typical Applications**
NTN’s needle roller and thrust bearings are widely used across industries, including:
– **Automotive Systems:** Transmissions, differentials, clutch release mechanisms, and electric power steering.
– **Industrial Machinery:** Gearboxes, pumps, compressors, and construction equipment.
– **Precision Equipment:** Robotics, medical devices, and aerospace components.
By combining **advanced materials, precision engineering, and rigorous testing**, NTN ensures that its bearings deliver **reliable performance, extended service life, and reduced maintenance costs**—making them the preferred choice for engineers and manufacturers worldwide. Whether in high-speed automotive applications or heavy-duty industrial machinery, NTN’s thrust and needle roller bearings provide the strength and efficiency needed for peak performance.
Part Number | Dc1 | Dc | Dw (0/-0.010) | Ea | Eb | Mass |
---|---|---|---|---|---|---|
25.000 mm |
42.000 mm |
5.000 mm |
38.700 mm |
27.600 mm |
||
25.000 mm |
42.000 mm |
5.000 mm |
38.700 mm |
27.600 mm |
||
30.000 mm |
47.000 mm |
5.000 mm |
43.900 mm |
33.100 mm |
||
100.000 mm |
135.000 mm |
4.000 mm |
131.400 mm |
107.500 mm |
||
35.000 mm |
52.000 mm |
5.000 mm |
48.900 mm |
38.000 mm |
||
110.000 mm |
145.000 mm |
4.000 mm |
139.400 mm |
115.500 mm |
||
40.000 mm |
60.000 mm |
6.000 mm |
56.400 mm |
43.200 mm |
||
120.000 mm |
155.000 mm |
4.000 mm |
149.400 mm |
125.500 mm |
||
45.000 mm |
65.000 mm |
6.000 mm |
61.600 mm |
48.400 mm |
||
130.000 mm |
170.000 mm |
5.000 mm |
164.000 mm |
136.000 mm |
||
50.000 mm |
70.000 mm |
6.000 mm |
66.400 mm |
53.200 mm |
||
140.000 mm |
180.000 mm |
5.000 mm |
174.000 mm |
146.000 mm |
||
150.000 mm |
190.000 mm |
5.000 mm |
184.200 mm |
156.000 mm |
||
160.000 mm |
200.000 mm |
5.000 mm |
194.200 mm |
166.000 mm |
||
10.000 mm |
24.000 mm |
3.500 mm |
21.300 mm |
13.500 mm |
||
12.000 mm |
26.000 mm |
3.500 mm |
23.300 mm |
15.500 mm |
||
15.000 mm |
28.000 mm |
3.500 mm |
25.000 mm |
17.200 mm |
||
17.000 mm |
30.000 mm |
3.500 mm |
27.000 mm |
19.200 mm |
||
20.000 mm |
35.000 mm |
4.500 mm |
32.300 mm |
22.400 mm |
||
25.000 mm |
42.000 mm |
5.000 mm |
38.700 mm |
27.600 mm |