Tapered Roller Set – Metric Series

**NTN Tapered Roller Bearings – Metric ISO Series: Precision, Durability, and High-Performance Load Handling**

NTN’s **Metric ISO Series Tapered Roller Bearings** and **Tapered Roller Sets** represent a pinnacle of engineering excellence, designed to deliver unmatched reliability in demanding industrial and automotive applications. These bearings are meticulously crafted to handle combined radial and axial loads with superior efficiency, making them indispensable for heavy-duty machinery, precision equipment, and high-performance automotive systems.

### **Technical Features & Design Advantages**
NTN’s tapered roller bearings are manufactured to **ISO metric standards**, ensuring global compatibility and seamless integration into a wide range of machinery. Key design features include:

– **Optimized Roller & Raceway Geometry**: Precision-ground tapered rollers and raceways minimize friction while distributing loads evenly, enhancing bearing life and reducing wear.
– **High-Grade Materials**: Constructed from premium **case-hardened chromium steel**, these bearings offer exceptional resistance to fatigue, shock loads, and harsh operating conditions.
– **Advanced Cage Designs**: Options include **pressed steel cages** (for high-speed stability) and **machined brass cages** (for extreme-load applications), ensuring optimal roller guidance and lubrication retention.
– **Sealing & Lubrication Options**: Configurable with **contact or non-contact seals**, as well as specialized grease formulations for extended service intervals in contaminated environments.

### **Performance Benefits**
NTN’s tapered roller bearings excel in applications requiring **rigidity, high load capacity, and precise alignment**:

– **Superior Load Handling**: The tapered design efficiently manages **combined radial and thrust loads**, making them ideal for gearboxes, wheel hubs, and heavy industrial equipment.
– **Extended Service Life**: Reduced internal sliding friction and optimized heat dissipation contribute to **longer operational lifespans**, even under continuous high-stress conditions.
– **Enhanced Operational Efficiency**: Precision manufacturing ensures **low noise and vibration**, critical for automotive drivetrains, wind turbines, and precision machine tools.

### **Typical Applications**
These bearings are widely used across industries where **durability and precision** are non-negotiable:

– **Automotive Systems**: Wheel bearings, differential assemblies, and transmission systems in passenger vehicles, trucks, and off-road machinery.
– **Industrial Machinery**: Conveyors, mining equipment, construction machinery, and agricultural gearboxes subjected to heavy loads and harsh environments.
– **Precision Equipment**: Machine tool spindles, robotics, and aerospace components requiring **high rotational accuracy and rigidity**.

### **Conclusion**
NTN’s **Metric ISO Series Tapered Roller Bearings** and **Tapered Roller Sets** combine cutting-edge engineering with robust materials to deliver **peak performance in the most demanding applications**. Whether in automotive drivetrains or heavy industrial systems, these bearings provide **reliable load support, reduced maintenance, and extended operational life**—making them a trusted choice for engineers worldwide.

For applications where **precision, strength, and endurance** are critical, NTN’s tapered roller bearings stand as a benchmark of quality and innovation.

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Part Number d D T r Mass
30206
30.000 mm
62.000 mm
17.250 mm
1.000 mm
0.241 kg
30206A
30.000 mm
62.000 mm
17.250 mm
1.000 mm
30206P5
30.000 mm
62.000 mm
17.250 mm
1.000 mm
30207
35.000 mm
72.000 mm
18.250 mm
1.500 mm
0.344 kg
30207ST
35.000 mm
72.000 mm
18.250 mm
1.500 mm
30207UP4
35.000 mm
72.000 mm
18.250 mm
1.500 mm
0.337 kg
30207X6/80EW
35.000 mm
72.000 mm
18.250 mm
1.500 mm
0.344 kg
10R32005VC12UA
25.000 mm
47.000 mm
15.000 mm
1.000 mm
30208
40.000 mm
80.000 mm
19.750 mm
1.500 mm
0.435 kg
30202
15.000 mm
35.000 mm
11.750 mm
0.600 mm
0.053 kg
30208P5
40.000 mm
80.000 mm
19.750 mm
1.500 mm
30202P5
15.000 mm
35.000 mm
11.750 mm
0.600 mm
0.052 kg
30208STPX2
40.000 mm
80.000 mm
19.750 mm
1.500 mm
30203
17.000 mm
40.000 mm
13.250 mm
1.000 mm
0.080 kg
30208UP4
40.000 mm
80.000 mm
19.750 mm
1.500 mm
0.417 kg
30204
20.000 mm
47.000 mm
15.250 mm
1.000 mm
0.127 kg
30204P5
20.000 mm
47.000 mm
15.250 mm
1.000 mm
30205
25.000 mm
52.000 mm
16.250 mm
1.000 mm
0.154 kg