Thrust Roller and Cage Assemblies

**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.

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Part Number Dc1 Dc Dw (0/-0.010) Ea Eb Mass
K81105L1
25.000 mm
42.000 mm
5.000 mm
38.700 mm
27.600 mm
K81105T2
25.000 mm
42.000 mm
5.000 mm
38.700 mm
27.600 mm
K81106T2
30.000 mm
47.000 mm
5.000 mm
43.900 mm
33.100 mm
AXK1120L1
100.000 mm
135.000 mm
4.000 mm
131.400 mm
107.500 mm
K81107T2
35.000 mm
52.000 mm
5.000 mm
48.900 mm
38.000 mm
AXK1122
110.000 mm
145.000 mm
4.000 mm
139.400 mm
115.500 mm
K81108T2
40.000 mm
60.000 mm
6.000 mm
56.400 mm
43.200 mm
AXK1124
120.000 mm
155.000 mm
4.000 mm
149.400 mm
125.500 mm
K81109T2
45.000 mm
65.000 mm
6.000 mm
61.600 mm
48.400 mm
AXK1126
130.000 mm
170.000 mm
5.000 mm
164.000 mm
136.000 mm
K81110T2
50.000 mm
70.000 mm
6.000 mm
66.400 mm
53.200 mm
AXK1128
140.000 mm
180.000 mm
5.000 mm
174.000 mm
146.000 mm
AXK1130
150.000 mm
190.000 mm
5.000 mm
184.200 mm
156.000 mm
AXK1132
160.000 mm
200.000 mm
5.000 mm
194.200 mm
166.000 mm
K81100T2
10.000 mm
24.000 mm
3.500 mm
21.300 mm
13.500 mm
K81101T2
12.000 mm
26.000 mm
3.500 mm
23.300 mm
15.500 mm
K81102T2
15.000 mm
28.000 mm
3.500 mm
25.000 mm
17.200 mm
K81103T2
17.000 mm
30.000 mm
3.500 mm
27.000 mm
19.200 mm
K81104T2
20.000 mm
35.000 mm
4.500 mm
32.300 mm
22.400 mm
K81105
25.000 mm
42.000 mm
5.000 mm
38.700 mm
27.600 mm