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
5521
130.000 mm
36.449 mm
44.450 mm
3.300 mm
5535
122.238 mm
36.513 mm
43.657 mm
3.300 mm
0.804 kg
5735
135.733 mm
34.925 mm
44.450 mm
3.300 mm
6425
152.400 mm
44.450 mm
53.974 mm
3.300 mm
4.206 kg
6535
161.925 mm
42.863 mm
53.974 mm
3.300 mm
1.600 kg
672-TRB
168.275 mm
30.163 mm
41.275 mm
3.300 mm
1.300 kg
3732
98.425 mm
23.813 mm
30.162 mm
3.300 mm
0.428 kg
672B
168.275 mm
30.163 mm
41.275 mm
3.300 mm
3733
100.038 mm
23.813 mm
30.163 mm
0.800 mm
742
150.089 mm
36.513 mm
44.450 mm
3.300 mm
1.100 kg
3735
100.040 mm
23.813 mm
30.100 mm
3.300 mm
752
161.925 mm
38.100 mm
47.625 mm
3.300 mm
1.700 kg
3920-TRB
112.712 mm
23.812 mm
30.163 mm
3.300 mm
752B
161.925 mm
38.100 mm
47.625 mm
3.300 mm
772
180.975 mm
38.100 mm
47.625 mm
3.300 mm
2.000 kg
792
206.375 mm
34.925 mm
47.625 mm
3.300 mm
2.000 kg
832
168.275 mm
41.275 mm
53.975 mm
3.300 mm
1.740 kg
854
190.500 mm
44.450 mm
57.150 mm
3.300 mm
2.693 kg
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