Cup for Tapered Roller Bearing – Inch Series and J Series

**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.

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Part Number D Wo W r Mass
892
228.600 mm
44.450 mm
57.150 mm
3.300 mm
3.129 kg
892B
228.600 mm
44.450 mm
57.150 mm
3.300 mm
7.420 kg
930
206.375 mm
53.975 mm
66.675 mm
3.300 mm
3.228 kg
932
212.725 mm
53.975 mm
66.675 mm
3.300 mm
4.600 kg
3720
93.264 mm
23.813 mm
30.162 mm
3.300 mm
0.285 kg
522
101.600 mm
26.988 mm
34.925 mm
3.300 mm
0.409 kg
652
152.400 mm
31.750 mm
41.275 mm
3.300 mm
1.300 kg
532A
111.125 mm
30.163 mm
38.100 mm
3.300 mm
0.738 kg
653
146.050 mm
31.750 mm
41.275 mm
3.300 mm
0.900 kg
532X
107.950 mm
28.575 mm
36.512 mm
3.300 mm
0.567 kg
552
123.825 mm
33.338 mm
38.100 mm
3.300 mm
0.801 kg
552A
123.825 mm
30.163 mm
38.100 mm
3.300 mm
0.754 kg
553X
122.238 mm
30.163 mm
38.100 mm
3.300 mm
0.683 kg
563
127.000 mm
28.575 mm
36.512 mm
3.300 mm
0.644 kg
572
139.992 mm
28.575 mm
36.512 mm
3.300 mm
0.780 kg
592
152.400 mm
33.338 mm
39.688 mm
3.300 mm
1.040 kg
592A
152.400 mm
30.163 mm
39.688 mm
3.300 mm
1.040 kg
592XE
147.638 mm
26.192 mm
35.717 mm
0.800 mm
592XS
147.638 mm
26.192 mm
35.717 mm
3.300 mm
612
120.650 mm
31.750 mm
41.275 mm
3.300 mm
0.852 kg