Outer Rings for Thrust Roller Bearings

**NTN Needle Roller Thrust Bearings: High-Performance Outer Rings for Demanding Applications**

NTN is a globally recognized leader in precision bearing technology, and its **Needle Roller Thrust Bearings with Outer Rings** are engineered to deliver exceptional load capacity, durability, and efficiency in high-stress applications. These specialized thrust bearings are designed to accommodate **axial loads** while maintaining a compact, space-saving design—making them ideal for industrial machinery, automotive systems, and precision equipment where reliability and performance are critical.

### **Technical Features & Design Advantages**
NTN’s **Thrust Needle Roller Bearings with Outer Rings** incorporate several advanced design elements to enhance performance:

– **High Load Capacity**: The use of precision-ground **needle rollers** and a robust outer ring ensures optimal distribution of axial loads, even under heavy or shock-load conditions.
– **Space-Efficient Construction**: The thin-section design minimizes axial space requirements, allowing for compact assemblies in constrained applications.
– **Durable Outer Ring**: The outer ring is manufactured from high-quality alloy steel, heat-treated for superior hardness and wear resistance, ensuring long service life under harsh operating conditions.
– **Precision Ground Raceways**: The raceways are meticulously finished to reduce friction and rolling resistance, contributing to smoother operation and improved energy efficiency.
– **Lubrication Retention**: Optional integrated lubrication grooves or holes can be specified to enhance grease retention and extend maintenance intervals.

### **Performance Benefits**
These bearings are engineered to excel in demanding environments, offering:
– **Enhanced Stability**: The outer ring provides structural support, reducing deflection and misalignment under load.
– **Reduced Friction & Heat Generation**: Optimized roller-to-raceway contact minimizes power loss, making them suitable for high-speed applications.
– **Versatility**: Available in various configurations, including **caged or full-complement designs**, to match different load and speed requirements.

### **Typical Applications**
NTN’s Needle Roller Thrust Bearings with Outer Rings are widely used in:
– **Automotive Systems**: Transmissions, clutch release mechanisms, and steering columns where compact, high-load-capacity bearings are essential.
– **Industrial Machinery**: Gearboxes, pumps, compressors, and machine tools requiring reliable axial load support.
– **Precision Equipment**: Robotics, aerospace actuators, and medical devices where smooth, low-friction motion is critical.

By combining **advanced materials, precision engineering, and rigorous quality control**, NTN ensures that these thrust bearings deliver **exceptional performance, extended service life, and reduced downtime**—making them a trusted choice for engineers and OEMs worldwide. Whether in high-speed automotive drivetrains or heavy-duty industrial equipment, NTN’s thrust needle roller bearings provide the reliability needed for today’s most challenging applications.

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Part Number D1 (0.5/0.2) D B r Mass
GS81212
62.000 mm
95.000 mm
7.500 mm
1.000 mm
0.230 kg
GS81213
67.000 mm
100.000 mm
8.000 mm
1.000 mm
0.280 kg
GS81214
72.000 mm
105.000 mm
8.000 mm
1.000 mm
0.295 kg
GS81215
77.000 mm
110.000 mm
8.000 mm
1.000 mm
0.310 kg
GS81122
112.000 mm
145.000 mm
7.000 mm
1.000 mm
0.385 kg
GS81216
82.000 mm
115.000 mm
8.500 mm
1.000 mm
0.350 kg
GS81124
122.000 mm
155.000 mm
7.000 mm
1.000 mm
0.415 kg
GS81217
88.000 mm
125.000 mm
9.500 mm
1.000 mm
0.490 kg
GS81126
132.000 mm
170.000 mm
9.000 mm
1.000 mm
0.663 kg
GS81218
93.000 mm
135.000 mm
10.500 mm
1.100 mm
0.640 kg
GS81107
37.000 mm
52.000 mm
3.500 mm
0.600 mm
0.033 kg
GS81108
42.000 mm
60.000 mm
3.500 mm
0.600 mm
0.044 kg
GS81109
47.000 mm
65.000 mm
4.000 mm
0.600 mm
0.055 kg
GS81110
52.000 mm
70.000 mm
4.000 mm
0.600 mm
0.060 kg
GS81111
57.000 mm
78.000 mm
5.000 mm
0.600 mm
0.095 kg
GS81112
62.000 mm
85.000 mm
4.750 mm
1.000 mm
0.101 kg
GS81113
67.000 mm
90.000 mm
5.250 mm
1.000 mm
0.125 kg
GS81114
72.000 mm
95.000 mm
5.250 mm
1.000 mm
0.135 kg
GS81115
77.000 mm
100.000 mm
5.750 mm
1.000 mm
0.155 kg
GS81100
10.000 mm
24.000 mm
2.750 mm
0.300 mm
0.008 kg