Double Row Thrust Roller Bearings

**NTN Needle Roller Thrust Bearings & Double Row Thrust Roller Bearings: Precision, Durability, and High-Load Performance**

NTN is a global leader in bearing technology, and its range of **Needle Roller Thrust Bearings** and **Double Row Thrust Roller Bearings** exemplifies the company’s commitment to high-performance, compact, and durable solutions for demanding applications. These bearings are engineered to handle heavy axial loads while maintaining precision, making them ideal for industrial machinery, automotive systems, and precision equipment where space constraints and reliability are critical.

### **Technical Features & Design Advantages**

NTN’s **Needle Roller Thrust Bearings** utilize slender, high-strength needle rollers arranged in a flat or slightly crowned configuration, enabling them to support high axial loads in a minimal axial space. Their compact design is complemented by hardened raceways and precision-ground rollers, ensuring smooth operation and extended service life even under severe conditions.

For even greater load capacity and stability, NTN’s **Double Row Thrust Roller Bearings** feature two rows of rollers arranged in a robust cage, distributing axial loads more evenly and reducing stress concentrations. This design enhances rigidity and minimizes deflection, making them suitable for applications with heavy combined axial and moment loads.

Key features include:
– **High Load Capacity:** Optimized roller geometry and hardened steel construction allow for exceptional axial load support.
– **Space-Saving Design:** Needle roller thrust bearings provide maximum load-bearing capability in a minimal axial envelope.
– **Low Friction & Smooth Operation:** Precision-ground rollers and raceways minimize rotational resistance, improving efficiency.
– **Enhanced Durability:** Advanced heat treatment and surface finishing techniques extend bearing life in harsh environments.
– **Versatile Configurations:** Available in various cage materials (steel, brass, or polymer) and sealing options for diverse operating conditions.

### **Performance Advantages in Industrial & Automotive Applications**

NTN’s thrust bearings are widely used in applications where high axial load capacity and compactness are essential:

– **Industrial Machinery:** Machine tools, gearboxes, presses, and construction equipment rely on these bearings for precise axial load support.
– **Automotive Systems:** Found in transmissions, clutch release mechanisms, and steering systems, where space efficiency and durability are crucial.
– **Precision Equipment:** Used in robotics, medical devices, and aerospace actuators where smooth, low-friction motion is required.

### **Conclusion**

NTN’s **Needle Roller Thrust Bearings** and **Double Row Thrust Roller Bearings** deliver unmatched performance in high-load, space-constrained applications. Their precision engineering, robust construction, and adaptability make them a preferred choice for industries demanding reliability and efficiency. Whether in heavy industrial machinery or high-speed automotive systems, NTN’s thrust bearings ensure optimal performance under the most challenging conditions.

For engineers and designers seeking high-capacity, low-friction axial load solutions, NTN’s thrust bearing range provides the perfect balance of strength, compactness, and longevity.

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Part Number d D Dp
(0.5/0.3)
Sw H r r1 Mass
ARB82126
130.000 mm
170.000 mm
189.000 mm
24.000 mm
66.000 mm
1.000 mm
1.000 mm
4.900 kg
ARB8212412
120.000 mm
155.000 mm
179.000 mm
23.000 mm
59.000 mm
1.000 mm
1.000 mm
3.970 kg
ARA82132
160.000 mm
200.000 mm
N/A
25.000 mm
68.000 mm
1.000 mm
1.000 mm
5.720 kg
ARA82126
130.000 mm
170.000 mm
N/A
22.000 mm
64.000 mm
1.000 mm
1.000 mm
4.370 kg
ARA82128
140.000 mm
180.000 mm
N/A
23.000 mm
66.000 mm
1.000 mm
1.000 mm
4.850 kg
ARA82130
150.000 mm
190.000 mm
N/A
24.000 mm
67.000 mm
1.000 mm
1.000 mm
5.080 kg
ARB82102T2
15.000 mm
28.000 mm
34.000 mm
5.500 mm
18.000 mm
0.300 mm
0.300 mm
0.063 kg
ARB8210412
20.000 mm
35.000 mm
41.000 mm
6.000 mm
20.500 mm
0.300 mm
0.300 mm
0.098 kg
ARB82105T2
25.000 mm
42.000 mm
46.000 mm
7.000 mm
23.000 mm
0.600 mm
0.300 mm
0.140 kg
ARB82106T2
30.000 mm
47.000 mm
51.000 mm
8.000 mm
24.000 mm
0.600 mm
0.300 mm
0.171 kg
ARB82107T2
35.000 mm
52.000 mm
64.000 mm
9.000 mm
26.000 mm
0.600 mm
0.600 mm
0.270 kg
ARB82108T2
40.000 mm
60.000 mm
69.000 mm
10.000 mm
29.000 mm
0.600 mm
0.600 mm
0.373 kg
ARB82110T2
50.000 mm
70.000 mm
84.000 mm
11.500 mm
31.500 mm
0.600 mm
0.600 mm
0.526 kg
ARB82122T2
110.000 mm
145.000 mm
169.000 mm
22.000 mm
58.000 mm
1.000 mm
1.000 mm
3.630 kg
ARB8212012
100.000 mm
135.000 mm
154.000 mm
22.000 mm
58.000 mm
1.000 mm
1.000 mm
3.130 kg
ARB82117T2
85.000 mm
110.000 mm
134.000 mm
18.000 mm
44.500 mm
1.000 mm
1.000 mm
1.780 kg
ARB82109T2
45.000 mm
65.000 mm
77.000 mm
10.000 mm
30.000 mm
0.600 mm
0.600 mm
0.425 kg
ARB8211512
75.000 mm
100.000 mm
119.000 mm
16.000 mm
42.500 mm
1.000 mm
1.000 mm
1.370 kg
ARB82114T2
70.000 mm
95.000 mm
109.000 mm
14.500 mm
40.000 mm
1.000 mm
1.000 mm
1.070 kg
ARB82113T2
65.000 mm
90.000 mm
104.000 mm
12.500 mm
38.000 mm
1.000 mm
1.000 mm
0.930 kg
ARB82112T2
60.000 mm
85.000 mm
99.000 mm
12.500 mm
37.000 mm
1.000 mm
1.000 mm
0.838 kg
ARB82111T2
55.000 mm
78.000 mm
89.000 mm
12.000 mm
34.000 mm
0.600 mm
0.600 mm
0.670 kg
ARA82103T2
17.000 mm
30.000 mm
N/A
5.500 mm
18.000 mm
0.300 mm
0.300 mm
0.061 kg
ARA82104T2
20.000 mm
35.000 mm
N/A
5.500 mm
20.000 mm
0.300 mm
0.300 mm
0.083 kg