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
30215DFC3
75.000 mm
130.000 mm
N/A
1.500 mm
30216
80.000 mm
140.000 mm
28.250 mm
2.000 mm
1.720 kg
30216P5
80.000 mm
140.000 mm
28.250 mm
2.000 mm
30217
85.000 mm
150.000 mm
30.500 mm
2.000 mm
2.140 kg
30218
90.000 mm
160.000 mm
32.500 mm
2.000 mm
2.660 kg
30209
45.000 mm
85.000 mm
20.750 mm
1.500 mm
0.495 kg
30218P5
90.000 mm
160.000 mm
32.500 mm
2.000 mm
30209P5
45.000 mm
85.000 mm
20.750 mm
1.500 mm
30219
95.000 mm
170.000 mm
34.500 mm
2.000 mm
3.070 kg
30209UP4
45.000 mm
85.000 mm
20.750 mm
1.500 mm
0.490 kg
30220
100.000 mm
180.000 mm
37.000 mm
2.000 mm
3.780 kg
30210
50.000 mm
90.000 mm
21.750 mm
1.500 mm
0.563 kg
30220DFC3
100.000 mm
180.000 mm
N/A
2.500 mm
30211
55.000 mm
100.000 mm
22.750 mm
1.500 mm
0.740 kg
30211U
55.000 mm
100.000 mm
22.750 mm
1.500 mm
0.714 kg
30212
60.000 mm
110.000 mm
23.750 mm
1.500 mm
0.949 kg
30213
65.000 mm
120.000 mm
24.750 mm
1.500 mm
1.180 kg
30213E4
65.000 mm
120.000 mm
24.750 mm
1.500 mm
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