**Introduction to NTN Tapered Roller Bearings (Metric ISO Series) and Components**
NTN’s **Metric ISO Series Tapered Roller Bearings** are precision-engineered components designed to deliver exceptional load capacity, durability, and performance in demanding industrial and automotive applications. These bearings are built to meet **ISO metric standards**, ensuring compatibility and interchangeability with global bearing systems while offering superior reliability under combined radial and axial loads.
### **Technical Features & Design Advantages**
NTN’s tapered roller bearings consist of four key components—the **inner ring (cone), outer ring (cup), tapered rollers, and cage**—each optimized for high-performance operation:
– **Optimized Roller & Raceway Geometry**: The precision-ground tapered rollers and raceways distribute loads evenly, minimizing stress concentrations and extending service life.
– **High-Grade Materials**: Manufactured from **clean, high-carbon chromium steel** with advanced heat treatment, these bearings resist wear, fatigue, and deformation under heavy loads.
– **Robust Cage Designs**: Options include **steel, brass, or polyamide cages** to suit high-speed, high-temperature, or corrosive environments.
– **Interchangeable Cups (Outer Rings)**: The **Metric ISO Series cup** is designed for easy replacement and seamless integration with standardized housing systems.
### **Performance Benefits**
– **Superior Load Handling**: Engineered to support **combined radial and thrust loads**, making them ideal for applications with complex load dynamics.
– **Reduced Friction & Heat Generation**: Precision machining and optimized surface finishes enhance lubrication efficiency, lowering operating temperatures.
– **Extended Service Intervals**: Advanced sealing options (e.g., contact or non-contact seals) prevent contamination and retain grease, reducing maintenance needs.
– **High-Speed Capability**: Balanced internal geometry ensures stable performance even at elevated rotational speeds.
### **Typical Applications**
NTN’s Metric ISO tapered roller bearings are widely used in industries requiring robust, precision motion control:
– **Industrial Machinery**: Gearboxes, conveyor systems, mining equipment, and heavy-duty pumps.
– **Automotive Systems**: Wheel hubs, differentials, transmissions, and axle assemblies, where durability and load management are critical.
– **Precision Equipment**: Machine tool spindles, agricultural machinery, and construction equipment.
### **Why Choose NTN?**
With a legacy of **100+ years in bearing innovation**, NTN combines cutting-edge manufacturing with rigorous quality control. The Metric ISO Series bearings are tested for **vibration resistance, noise reduction, and longevity**, ensuring dependable performance in the most challenging environments.
For engineers and designers seeking **high-capacity, metric-standard tapered roller bearings**, NTN’s solutions offer a balance of **strength, precision, and adaptability**—making them a trusted choice for industrial and automotive systems worldwide.
*Explore NTN’s full range of tapered roller bearings and components to optimize your machinery’s performance and reliability.*
Part Number | D | C | T | r | Mass |
---|---|---|---|---|---|
47.000 mm |
12.000 mm |
15.250 mm |
1.000 mm |
0.043 kg |
|
93.264 mm |
22.225 mm |
10.320 mm |
N/A |
0.245 kg |
|
80.000 mm |
16.000 mm |
19.750 mm |
1.500 mm |
0.146 kg |
|
90.000 mm |
17.000 mm |
21.750 mm |
N/A |
||
130.000 mm |
26.000 mm |
33.500 mm |
2.500 mm |
0.608 kg |
|
68.000 mm |
14.500 mm |
19.000 mm |
1.000 mm |
0.083 kg |
|
80.000 mm |
15.500 mm |
20.000 mm |
1.000 mm |
0.112 kg |
|
80.000 mm |
15.500 mm |
20.000 mm |
1.000 mm |
0.111 kg |
|
100.000 mm |
17.500 mm |
23.000 mm |
1.500 mm |
||
180.000 mm |
29.000 mm |
38.000 mm |
2.000 mm |
1.125 kg |
|
180.000 mm |
29.000 mm |
38.000 mm |
2.000 mm |
10.200 kg |
|
62.000 mm |
17.000 mm |
21.250 mm |
1.000 mm |
0.103 kg |
|
190.000 mm |
43.000 mm |
53.000 mm |
2.500 mm |
2.115 kg |
|
95.000 mm |
21.000 mm |
27.000 mm |
1.500 mm |
0.229 kg |
|
75.000 mm |
20.500 mm |
26.000 mm |
1.500 mm |
0.155 kg |
|
85.000 mm |
20.000 mm |
26.000 mm |
1.500 mm |
0.203 kg |
|
40.000 mm |
11.000 mm |
13.250 mm |
1.000 mm |
0.029 kg |
|
52.000 mm |
18.000 mm |
22.000 mm |
N/A |