Inner Ring for Cylindrical Roller Bearings

**NTN Cylindrical Roller Bearings: Precision Engineered for Demanding Applications**

NTN cylindrical roller bearings are renowned for their exceptional load capacity, durability, and precision, making them a preferred choice for industrial machinery, automotive systems, and high-performance equipment. Designed to handle heavy radial loads and high-speed operations, these bearings incorporate advanced engineering to ensure reliability in even the most demanding environments. Among their key components, the **inner ring for cylindrical roller bearings** plays a critical role in maintaining structural integrity and operational efficiency.

### **Technical Features & Design Advantages**
The **NTN cylindrical roller bearing inner ring** is precision-machined from high-quality steel, undergoing rigorous heat treatment processes to enhance hardness and fatigue resistance. Its optimized raceway geometry ensures smooth roller movement, reducing friction and minimizing wear over extended service life. Key features include:

– **High Radial Load Capacity**: The inner ring’s robust construction supports substantial radial loads, making it ideal for heavy machinery such as gearboxes, pumps, and construction equipment.
– **Precision Ground Surfaces**: Ultra-precise machining ensures tight tolerances, reducing vibration and noise in high-speed applications like electric motors or machine tool spindles.
– **Advanced Heat Treatment**: Carburizing or induction hardening processes improve surface durability while maintaining core toughness, preventing premature failure under shock or variable loads.
– **Optimized Roller Guidance**: The inner ring’s flange design (where applicable) ensures proper roller alignment, preventing skewing and ensuring even load distribution.

### **Performance Benefits**
NTN’s cylindrical roller bearing components are engineered to deliver superior performance in harsh conditions:
– **Extended Service Life**: Reduced friction and wear-resistant materials enhance longevity, lowering maintenance costs.
– **High-Speed Capability**: Precision balancing and optimized internal clearances allow stable operation at elevated speeds, critical for automotive transmissions or industrial drivetrains.
– **Versatility**: Available in single-row, double-row, and multi-row configurations, NTN bearings accommodate diverse load and space requirements.

### **Typical Applications**
NTN cylindrical roller bearings and their inner ring components are widely used in:
– **Industrial Machinery**: Presses, conveyors, and mining equipment requiring high radial load support.
– **Automotive Systems**: Wheel hubs, transmissions, and differentials where durability and precision are paramount.
– **Precision Equipment**: Machine tools, robotics, and aerospace systems demanding low vibration and high rotational accuracy.

By combining cutting-edge materials, precision manufacturing, and rigorous testing, NTN ensures that its cylindrical roller bearing components deliver unmatched reliability and efficiency. Whether in heavy industrial settings or high-performance automotive applications, NTN’s engineering excellence provides a competitive edge in operational performance and longevity.

For industries that demand durability under load, speed, and precision, NTN cylindrical roller bearings—and their critical inner ring components—stand as a trusted solution.

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Part Number B W R Mass
MAB1217
85.000 mm
53.975 mm
N/A
1.009 kg
MA5217
85.000 mm
49.212 mm
3.180 mm
0.938 kg
MA5218
90.000 mm
52.388 mm
3.180 mm
1.067 kg
MA5219
95.000 mm
55.562 mm
3.180 mm
1.284 kg
MA5220
100.000 mm
60.325 mm
3.960 mm
1.686 kg
MA5224
120.000 mm
76.200 mm
4.750 mm
3.071 kg
MA5206
30.000 mm
23.812 mm
1.020 mm
0.078 kg
MA5207
35.000 mm
26.988 mm
1.020 mm
0.114 kg
MA5208
40.000 mm
30.162 mm
1.520 mm
0.161 kg
MA1306
30.000 mm
19.000 mm
1.520 mm
0.085 kg
MA5209
45.000 mm
30.162 mm
1.520 mm
0.191 kg
MA1307
35.000 mm
21.000 mm
1.520 mm
0.121 kg
MA5210
50.000 mm
30.162 mm
1.520 mm
0.209 kg
MA1308
40.000 mm
23.000 mm
1.520 mm
0.155 kg
MA5211
55.000 mm
33.338 mm
2.030 mm
0.290 kg
MA1309
45.000 mm
25.000 mm
2.030 mm
0.224 kg
MA5212
60.000 mm
36.512 mm
2.030 mm
0.359 kg
MA1310
50.000 mm
27.000 mm
2.030 mm
0.282 kg
MA1311
55.000 mm
29.000 mm
2.030 mm
0.360 kg
MA1312
60.000 mm
31.000 mm
2.540 mm
0.447 kg