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
GS89311
57.000 mm
105.000 mm
10.500 mm
1.100 mm
0.520 kg
GS89312
62.000 mm
110.000 mm
10.500 mm
1.100 mm
0.550 kg
GS89313
67.000 mm
115.000 mm
10.500 mm
1.100 mm
0.580 kg
GS89314
72.000 mm
125.000 mm
12.000 mm
1.100 mm
0.800 kg
GS89315
77.000 mm
135.000 mm
12.500 mm
1.500 mm
0.097 kg
GS89316
82.000 mm
140.000 mm
12.500 mm
1.500 mm
1.020 kg
GS89317
88.000 mm
150.000 mm
13.500 mm
1.500 mm
1.280 kg
GS89318
93.000 mm
155.000 mm
13.500 mm
1.500 mm
1.330 kg
GS89320
103.000 mm
170.000 mm
14.500 mm
1.500 mm
1.690 kg
GS89322
113.000 mm
190.000 mm
16.500 mm
2.000 mm
2.440 kg
GS89306
32.000 mm
60.000 mm
6.250 mm
1.000 mm
0.100 kg
GS81222
113.000 mm
160.000 mm
11.500 mm
1.100 mm
0.880 kg
GS89307
37.000 mm
68.000 mm
7.000 mm
1.000 mm
0.150 kg
GS81224
123.000 mm
170.000 mm
12.000 mm
1.100 mm
0.980 kg
GS89308
42.000 mm
78.000 mm
7.500 mm
1.000 mm
0.210 kg
GS81226
133.000 mm
190.000 mm
13.000 mm
1.500 mm
1.530 kg
GS89309
47.000 mm
85.000 mm
8.250 mm
1.000 mm
0.270 kg
GS81228
143.000 mm
200.000 mm
13.500 mm
1.500 mm
1.690 kg
GS89310
52.000 mm
95.000 mm
9.500 mm
1.100 mm
0.380 kg
GS87408
42.000 mm
90.000 mm
8.250 mm
1.100 mm
0.330 kg