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.

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Part Number B Wi R Mass
47678
76.200 mm
33.338 mm
6.400 mm
1.320 kg
47679
76.200 mm
33.338 mm
3.600 mm
1.341 kg
47680
76.200 mm
33.338 mm
0.800 mm
1.369 kg
495A
76.200 mm
29.769 mm
3.600 mm
1.237 kg
495AX
76.200 mm
29.769 mm
6.400 mm
1.279 kg
575
76.200 mm
36.098 mm
3.600 mm
1.640 kg
575S
76.200 mm
36.098 mm
6.900 mm
1.626 kg
5760
76.200 mm
46.101 mm
3.600 mm
590A
76.200 mm
36.322 mm
3.600 mm
6461
76.200 mm
54.229 mm
3.600 mm
2.631 kg
6461A
76.200 mm
54.229 mm
9.700 mm
2.601 kg
6466
76.200 mm
54.229 mm
6.400 mm
6574
76.162 mm
55.100 mm
3.600 mm
27680
73.025 mm
25.400 mm
3.600 mm
29685
73.025 mm
25.400 mm
3.600 mm
0.597 kg
33287
73.025 mm
30.163 mm
3.600 mm
0.742 kg
567
73.025 mm
36.170 mm
3.600 mm
1.160 kg
567XA
73.025 mm
36.170 mm
6.400 mm
576
73.025 mm
36.098 mm
3.600 mm
6460
73.025 mm
54.229 mm
3.600 mm
2.790 kg
657
73.025 mm
41.275 mm
3.600 mm
744
73.025 mm
46.673 mm
3.600 mm
2.726 kg
744PW4VW1
73.025 mm
46.673 mm
3.600 mm
762
73.025 mm
48.260 mm
3.600 mm