Cone for Tapered Roller Bearing – Inch Series and J Series

**NTN Tapered Roller Bearings: Precision, Durability, and Performance for Demanding Applications**

NTN Corporation, a global leader in bearing technology, offers a comprehensive range of high-performance **Tapered Roller Bearings** designed to meet the rigorous demands of industrial machinery, automotive systems, and precision equipment. Among its extensive portfolio, NTN’s **Inch and J Series Tapered Roller Bearings** stand out for their superior load capacity, durability, and precision engineering. These bearings are optimized to handle combined radial and axial loads efficiently, making them indispensable in applications where reliability under heavy stress is critical.

### **Technical Features & Design Advantages**
NTN’s **Inch and J Series Tapered Roller Bearings** feature a precision-engineered conical geometry, with rollers arranged at an angle between the inner ring (cone) and outer ring (cup). This design ensures optimal load distribution, reducing friction and wear while enhancing operational longevity. Key features include:

– **High Load Capacity**: The tapered roller design effectively manages both radial and thrust loads, making these bearings ideal for heavy-duty applications.
– **Precision Ground Surfaces**: NTN employs advanced grinding techniques to ensure ultra-smooth contact surfaces, minimizing vibration and noise while improving efficiency.
– **Robust Materials & Heat Treatment**: Manufactured from high-grade steel and subjected to specialized heat treatment processes, these bearings offer exceptional hardness and fatigue resistance.
– **Interchangeability & Standard Compliance**: The **Inch Series** adheres to imperial measurements, while the **J Series** follows metric dimensions, ensuring compatibility with a wide range of machinery and automotive systems.

### **Key Components: Cone Assembly for Tapered Roller Bearings**
The **Cone (inner ring with rollers and cage)** is a critical component of NTN’s tapered roller bearings, engineered for seamless integration and peak performance. The cone assembly ensures:
– **Stable Roller Guidance**: The precision-machined cage retains rollers in optimal alignment, preventing skewing and ensuring smooth rotation.
– **Easy Maintenance & Replacement**: Designed for quick installation and serviceability, reducing downtime in industrial and automotive applications.

### **Performance Benefits**
NTN’s tapered roller bearings deliver:
– **Extended Service Life**: Advanced lubrication retention and wear-resistant materials reduce maintenance frequency.
– **Energy Efficiency**: Optimized internal geometry minimizes friction, lowering power consumption in rotating machinery.
– **High-Speed Capability**: Balanced design and superior materials allow stable operation even at elevated speeds.

### **Typical Applications**
These bearings are widely used in:
– **Industrial Machinery**: Gearboxes, conveyors, pumps, and mining equipment.
– **Automotive Systems**: Wheel hubs, transmissions, differentials, and axle assemblies.
– **Precision Equipment**: Agricultural machinery, construction vehicles, and material handling systems.

With a commitment to innovation and quality, NTN’s **Inch and J Series Tapered Roller Bearings** provide unmatched reliability, ensuring peak performance in the most demanding environments. Whether in heavy industry or high-precision automotive applications, NTN bearings are engineered to exceed expectations.

MORE +
CLOSE +
Part Number B Wi R Mass
536
47.625 mm
36.957 mm
3.600 mm
1.040 kg
55187
47.625 mm
26.909 mm
3.600 mm
0.800 kg
55187C
47.625 mm
26.909 mm
3.600 mm
0.877 kg
59187
47.625 mm
36.513 mm
3.600 mm
66187
47.625 mm
31.750 mm
3.600 mm
72187C
47.625 mm
32.791 mm
3.600 mm
72188C
47.625 mm
32.791 mm
0.800 mm
1.362 kg
HM804846
47.625 mm
29.370 mm
3.600 mm
0.618 kg
HM907639
47.625 mm
28.575 mm
3.600 mm
0.901 kg
M804048
47.625 mm
25.400 mm
0.800 mm
0.445 kg
M804049
47.625 mm
25.400 mm
3.600 mm
0.436 kg
M804848
47.625 mm
29.370 mm
0.800 mm
3781A
48.412 mm
30.302 mm
3.600 mm
LM102949
45.242 mm
19.812 mm
3.600 mm
0.205 kg
LM603049
45.242 mm
19.842 mm
3.600 mm
0.250 kg
25590
45.618 mm
25.400 mm
3.600 mm
0.337 kg
HM204049
45.987 mm
31.999 mm
3.600 mm
0.621 kg
LM503349
45.987 mm
18.001 mm
2.300 mm
LM503349A
45.999 mm
18.001 mm
0.199 kg
18690
46.038 mm
17.463 mm
2.800 mm
0.205 kg
18780
46.038 mm
17.463 mm
2.300 mm
0.289 kg
25592
46.038 mm
25.400 mm
3.600 mm
2984
46.038 mm
25.608 mm
3.600 mm
0.391 kg
2984A
46.038 mm
25.608 mm
0.800 mm