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
68463
117.475 mm
31.750 mm
7.900 mm
74472
119.964 mm
47.625 mm
3.600 mm
HM127436
119.957 mm
57.150 mm
1.500 mm
JL724348
120.000 mm
25.400 mm
3.300 mm
48282
120.650 mm
38.100 mm
3.600 mm
67384
120.650 mm
46.038 mm
7.900 mm
795
120.650 mm
47.625 mm
3.300 mm
4.450 kg
95475
120.650 mm
63.500 mm
6.400 mm
8.563 kg
HH228340
120.650 mm
82.550 mm
9.700 mm
15.190 kg
HH926749
120.650 mm
82.550 mm
6.400 mm
HM624749
120.650 mm
46.038 mm
3.600 mm
L225842
120.650 mm
26.195 mm
1.500 mm
2.900 kg
L624549
120.650 mm
21.433 mm
1.500 mm
M224749
120.650 mm
36.513 mm
3.600 mm
4.070 kg
48286
123.825 mm
38.100 mm
3.600 mm
2.382 kg
HH228344
123.825 mm
82.550 mm
9.700 mm
95491
124.943 mm
63.500 mm
6.400 mm
71437
111.125 mm
49.213 mm
3.600 mm
8.224 kg
H924045
111.125 mm
52.388 mm
3.600 mm
HH924349
111.125 mm
71.438 mm
6.400 mm
64450
114.300 mm
41.275 mm
3.600 mm
2.368 kg
68450
114.300 mm
31.750 mm
3.600 mm
1.879 kg
71450
114.300 mm
49.213 mm
3.600 mm
3.390 kg
71451
114.300 mm
49.213 mm
3.600 mm