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
M1212DAH
110.056 mm
22.000 mm
1.520 mm
0.349 kg
M1212SA
110.056 mm
22.000 mm
1.520 mm
0.290 kg
M1213C
120.000 mm
23.000 mm
1.520 mm
0.435 kg
M1213CAH
120.056 mm
23.000 mm
1.520 mm
0.435 kg
M1213DA
120.056 mm
23.000 mm
1.520 mm
0.464 kg
M1214DA
125.059 mm
24.000 mm
1.520 mm
0.478 kg
M1215DA
130.058 mm
25.000 mm
1.520 mm
0.553 kg
M1216CA
140.058 mm
26.000 mm
2.030 mm
0.627 kg
M1216D
140.000 mm
26.000 mm
2.030 mm
0.671 kg
M1218SAH
160.071 mm
30.000 mm
2.030 mm
0.853 kg
M1221CH
190.000 mm
36.000 mm
2.030 mm
1.645 kg
M1224SAH
215.087 mm
40.000 mm
2.030 mm
2.068 kg
M1307CH
80.000 mm
21.000 mm
1.520 mm
0.218 kg
M1307D
80.000 mm
21.000 mm
1.520 mm
0.232 kg
M1011S
90.000 mm
18.000 mm
1.020 mm
0.143 kg
M1012CA
95.044 mm
18.000 mm
1.020 mm
0.181 kg
M1013DA
100.046 mm
18.000 mm
1.020 mm
0.209 kg
M1013DAH
100.046 mm
18.000 mm
1.020 mm
0.209 kg
M1013S
100.000 mm
18.000 mm
1.020 mm
0.163 kg
M1015DA
115.057 mm
20.000 mm
1.020 mm
0.290 kg
M1015DAH
115.057 mm
20.000 mm
1.020 mm
0.281 kg
M1016S
125.000 mm
22.000 mm
1.020 mm
0.317 kg
M1017CAH
130.058 mm
22.000 mm
1.020 mm
0.381 kg
M1017S
130.000 mm
22.000 mm
1.020 mm
0.326 kg