Outer Ring for Cylindrical Roller Bearings

**Introduction to NTN Cylindrical Roller Bearings and Components**

NTN Corporation, a global leader in precision engineering and bearing technology, offers high-performance **Cylindrical Roller Bearings** designed to deliver exceptional reliability, load capacity, and operational efficiency in demanding applications. Among NTN’s comprehensive range of bearing solutions, the **Outer Ring for Cylindrical Roller Bearings** stands out as a critical component engineered to optimize performance in industrial machinery, automotive systems, and precision equipment.

### **Technical Features and Design Excellence**
NTN’s **Cylindrical Roller Bearings** are characterized by their robust construction and advanced design, which ensure superior radial load capacity and high-speed operation. The **Outer Ring**, a key structural element, is precision-manufactured from high-grade steel alloys and subjected to stringent heat treatment processes to enhance durability and fatigue resistance. Key technical features include:

– **Optimized Raceway Geometry**: The outer ring’s raceway is meticulously ground and polished to minimize friction and ensure smooth roller movement, reducing wear and extending service life.
– **High Rigidity and Dimensional Stability**: Engineered to maintain precise tolerances even under heavy loads or thermal expansion, the outer ring ensures consistent performance in variable operating conditions.
– **Advanced Surface Treatments**: Optional coatings or surface hardening techniques (such as nitriding or phosphate treatments) can be applied to improve corrosion resistance and reduce micropitting in harsh environments.
– **Interchangeability and Customization**: NTN offers standardized and application-specific outer ring designs, including flanged or snap-ring configurations, to suit diverse mounting requirements.

### **Performance Advantages**
NTN’s **Outer Rings for Cylindrical Roller Bearings** contribute to the overall advantages of the bearing assembly, including:

– **High Load Capacity**: The rigid outer ring design distributes radial loads evenly across rollers, making these bearings ideal for heavy machinery like gearboxes, pumps, and construction equipment.
– **Enhanced Speed Capability**: Low-friction raceways and precision alignment allow for stable high-speed rotation, critical in automotive transmissions or industrial spindle applications.
– **Long Service Life**: Reduced stress concentrations and optimized material integrity minimize premature failure, lowering maintenance costs and downtime.
– **Versatility**: Suitable for both single-row and multi-row bearing configurations, accommodating applications requiring compact designs or extreme load resilience.

### **Typical Applications**
NTN’s cylindrical roller bearing components are widely used across industries, including:

– **Industrial Machinery**: Presses, rolling mills, conveyor systems, and machine tool spindles.
– **Automotive Systems**: Transmissions, wheel hubs, and electric vehicle drivetrains.
– **Precision Equipment**: Robotics, aerospace actuators, and medical imaging devices.

By combining cutting-edge manufacturing techniques with rigorous quality control, NTN ensures that its **Cylindrical Roller Bearing Components** meet the highest standards of performance and reliability. Whether in high-load industrial settings or precision automotive applications, NTN’s outer rings and bearing systems provide the durability and efficiency required for modern engineering challenges.

For industries demanding uncompromising quality, NTN’s solutions represent a trusted choice for maximizing equipment uptime and operational productivity.

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Part Number B W R Mass
W67217DA
150.066 mm
35.000 mm
N/A
W67218CA
160.071 mm
37.000 mm
N/A
W67220DA
180.071 mm
41.000 mm
2.540 mm
W67320DA
215.087 mm
60.000 mm
N/A
W67320SA
215.087 mm
60.000 mm
N/A
W68224CA
215.087 mm
60.000 mm
N/A
M1934DE
230.000 mm
28.000 mm
2.030 mm
1.470 kg
W61938CA
2060.101 mm
33.000 mm
N/A
1.437 kg
M1956CHE
380.000 mm
46.000 mm
2.030 mm
5.715 kg
W61948CA
320.121 mm
38.000 mm
N/A
2.234 kg
M1956DHE
380.000 mm
46.000 mm
2.030 mm
5.761 kg
W67211DA
100.046 mm
25.000 mm
1.520 mm
0.265 kg
M5207C
72.000 mm
26.988 mm
1.020 mm
0.208 kg
M5207DA
72.032 mm
26.988 mm
1.020 mm
0.217 kg
M5211DA
100.046 mm
33.338 mm
1.520 mm
0.471 kg
M5215CA
130.058 mm
41.275 mm
1.520 mm
0.868 kg
M7311DAH
120.056 mm
36.000 mm
2.030 mm
0.816 kg
M7313CHB
140.000 mm
40.000 mm
2.030 mm
1.220 kg
M7314CAHB
150.066 mm
43.000 mm
2.030 mm
1.507 kg
R1547CAH
190.627 mm
47.000 mm
N/A
2.465 kg