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
33019
95.000 mm
145.000 mm
39.000 mm
1.500 mm
33020
100.000 mm
150.000 mm
39.000 mm
1.500 mm
33021
105.000 mm
160.000 mm
43.000 mm
2.000 mm
3.000 kg
33022
110.000 mm
170.000 mm
47.000 mm
2.000 mm
3.800 kg
33108
40.000 mm
75.000 mm
26.000 mm
1.500 mm
33108X1
40.000 mm
75.000 mm
26.000 mm
1.500 mm
0.494 kg
33109
45.000 mm
80.000 mm
26.000 mm
1.500 mm
0.542 kg
33110
50.000 mm
85.000 mm
26.000 mm
1.500 mm
0.580 kg
33013
65.000 mm
100.000 mm
27.000 mm
1.500 mm
0.732 kg
33111
55.000 mm
95.000 mm
30.000 mm
1.500 mm
0.846 kg
33013A
65.000 mm
100.000 mm
27.000 mm
1.500 mm
0.739 kg
33112
60.000 mm
100.000 mm
30.000 mm
1.500 mm
2.440 kg
33013X1
65.000 mm
100.000 mm
27.000 mm
1.500 mm
33113
65.000 mm
110.000 mm
34.000 mm
1.500 mm
1.280 kg
33014
70.000 mm
110.000 mm
31.000 mm
1.500 mm
1.070 kg
33115
75.000 mm
125.000 mm
37.000 mm
1.500 mm
33015
75.000 mm
115.000 mm
31.000 mm
1.500 mm
33016
80.000 mm
125.000 mm
36.000 mm
1.500 mm
33005
25.000 mm
47.000 mm
17.000 mm
0.600 mm
0.130 kg
33006
30.000 mm
55.000 mm
20.000 mm
1.000 mm
0.201 kg