**NTN Tapered Roller Bearings: Precision, Durability, and Performance for Demanding Applications**
NTN is a global leader in bearing technology, renowned for its high-performance tapered roller bearings designed to meet the rigorous demands of industrial machinery, automotive systems, and precision equipment. Among NTN’s extensive bearing portfolio, the **Inch and J Series Tapered Roller Bearings** stand out for their exceptional load capacity, durability, and precision engineering. These bearings are specifically optimized to handle combined radial and axial loads, making them ideal for applications where reliability and long service life are critical.
### **Technical Features and Design Advantages**
NTN’s **Inch and J Series Tapered Roller Bearings** feature a precision-machined conical geometry, with tapered rollers guided by a robust ribbed inner ring (cone) and a matching outer ring (cup). This design ensures optimal load distribution, minimizing friction and wear while enhancing operational efficiency. Key technical features include:
– **High Load Capacity:** The tapered roller design effectively manages both radial and thrust loads, making these bearings suitable for heavy-duty applications.
– **Precision-Ground Surfaces:** Advanced manufacturing techniques ensure tight tolerances and smooth operation, reducing vibration and noise.
– **Heat-Treated Components:** High-carbon chromium steel construction, combined with specialized heat treatment, enhances hardness and fatigue resistance.
– **Interchangeability:** NTN’s Inch and J Series bearings conform to standardized dimensions, ensuring compatibility with industry specifications.
– **Sealed and Open Variants:** Options include open bearings for high-speed applications and sealed units for contamination resistance in harsh environments.
### **Performance Benefits**
NTN’s tapered roller bearings deliver superior performance in demanding conditions, offering:
– **Extended Service Life:** Advanced materials and precision engineering reduce wear, prolonging bearing life even under heavy loads.
– **Enhanced Efficiency:** Optimized internal geometry minimizes friction, lowering energy consumption and operating temperatures.
– **Reliability in Harsh Conditions:** Whether in high-temperature industrial settings or high-load automotive applications, NTN bearings maintain consistent performance.
– **Easy Maintenance:** Standardized designs simplify installation and replacement, reducing downtime.
### **Components for Tapered Roller Bearings: Cups and Cones**
NTN provides **precision-engineered cups and cones** for tapered roller bearings, ensuring seamless compatibility and performance. The **cup (outer ring)** is designed to perfectly match the cone (inner ring assembly), maintaining optimal alignment and load distribution. These components are manufactured to exacting tolerances, ensuring smooth operation and long-term reliability.
### **Typical Applications**
NTN’s Inch and J Series Tapered Roller Bearings are widely used in:
– **Industrial Machinery:** Gearboxes, conveyors, mining equipment, and heavy machinery requiring high load capacity.
– **Automotive Systems:** Wheel hubs, differentials, transmissions, and axle systems where durability and precision are essential.
– **Precision Equipment:** Machine tools, agricultural machinery, and construction equipment demanding reliable rotational performance.
With a reputation for innovation and quality, NTN continues to set the benchmark for tapered roller bearing technology, delivering solutions that enhance performance, efficiency, and longevity across industries. Whether in automotive drivetrains or heavy industrial applications, NTN’s tapered roller bearings provide the reliability and precision needed to keep operations running smoothly.
Part Number | D | Wo | W | r | Mass |
---|---|---|---|---|---|
120.650 mm |
19.050 mm |
25.400 mm |
3.300 mm |
0.481 kg |
|
112.713 mm |
23.813 mm |
30.163 mm |
0.800 mm |
0.360 kg |
|
117.475 mm |
23.813 mm |
30.162 mm |
3.300 mm |
0.434 kg |
|
120.000 mm |
23.444 mm |
29.794 mm |
0.800 mm |
0.521 kg |
|
120.650 mm |
23.444 mm |
29.794 mm |
0.800 mm |
||
161.925 mm |
42.863 mm |
53.974 mm |
3.300 mm |
1.600 kg |
|
161.925 mm |
42.863 mm |
53.974 mm |
0.800 mm |
||
327.025 mm |
36.513 mm |
52.388 mm |
3.300 mm |
||
152.400 mm |
31.750 mm |
47.625 mm |
3.300 mm |
||
161.925 mm |
31.750 mm |
49.212 mm |
3.300 mm |
||
112.712 mm |
23.813 mm |
30.162 mm |
0.800 mm |
0.459 kg |
|
171.450 mm |
31.750 mm |
49.212 mm |
3.300 mm |
1.510 kg |
|
112.713 mm |
26.988 mm |
33.338 mm |
3.300 mm |
||
125.413 mm |
19.845 mm |
25.400 mm |
1.500 mm |
0.342 kg |
|
101.200 mm |
33.338 mm |
39.687 mm |
3.300 mm |
||
107.950 mm |
19.050 mm |
25.400 mm |
3.300 mm |
0.272 kg |
|
104.775 mm |
33.338 mm |
39.687 mm |
3.300 mm |
||
110.000 mm |
19.050 mm |
25.400 mm |
1.300 mm |
0.334 kg |
|
111.125 mm |
32.545 mm |
38.895 mm |
3.300 mm |
||
103.188 mm |
36.513 mm |
43.657 mm |
3.300 mm |
0.629 kg |