Inner Ring with Cage and Rollers

**Introduction to NTN Cylindrical Roller Bearings: Inner Ring with Cage and Rollers**

NTN cylindrical roller bearings are engineered to deliver exceptional performance in high-load, high-speed applications where precision and durability are critical. Among NTN’s extensive bearing portfolio, the **Cylindrical Roller Bearing Inner Ring with Cage and Rollers** stands out as a key component designed to optimize load distribution, minimize friction, and extend service life in demanding industrial and automotive environments.

### **Technical Features & Design Advantages**
The inner ring assembly—comprising the inner ring, precision rollers, and a robust cage—is meticulously crafted to meet stringent quality standards. Key features include:

– **High-Load Capacity**: The optimized roller-to-raceway contact distributes radial loads evenly, making these bearings ideal for heavy machinery and automotive transmissions.
– **Precision-Ground Components**: NTN’s advanced manufacturing ensures tight tolerances and smooth surface finishes, reducing vibration and noise in high-speed applications.
– **Advanced Cage Design**: The cage (typically made of pressed steel or engineered polymers) retains rollers securely, preventing skewing and ensuring consistent alignment under dynamic conditions.
– **Heat Treatment & Material Science**: NTN uses premium alloy steels and specialized heat treatments to enhance hardness and fatigue resistance, prolonging bearing life even in harsh operating conditions.
– **Lubrication Efficiency**: The inner ring’s geometry facilitates optimal lubricant flow, reducing wear and preventing overheating.

### **Performance Benefits**
NTN’s cylindrical roller bearing assemblies excel in applications requiring:
– **High Radial Load Support**: Superior to ball bearings in handling heavy radial loads, making them suitable for gearboxes, machine tools, and industrial drivetrains.
– **Speed Stability**: Low friction and balanced rollers enable stable operation at elevated speeds, critical for automotive wheel hubs and electric motors.
– **Durability in Harsh Environments**: Resistant to misalignment and shock loads, these bearings perform reliably in mining, construction, and steel mill equipment.

### **Typical Applications**
NTN’s cylindrical roller bearing components are widely used across industries, including:
– **Industrial Machinery**: Machine tool spindles, conveyor systems, and printing presses.
– **Automotive Systems**: Transmissions, differentials, and wheel ends where high radial stiffness is required.
– **Precision Equipment**: Robotics, wind turbines, and aerospace actuators demanding low noise and high accuracy.

By integrating NTN’s cylindrical roller bearing inner rings with cages and rollers, engineers can achieve enhanced efficiency, reduced maintenance costs, and extended equipment lifespan—making them a trusted choice for mission-critical applications worldwide.

For industries prioritizing reliability under load and speed, NTN’s engineering excellence ensures peak performance in even the most challenging operational environments.

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Part Number B C W F R Mass
MU5216X
80.000 mm
124.660 mm
44.450 mm
100.790 mm
2.540 mm
MU5217L
85.000 mm
134.210 mm
49.212 mm
108.050 mm
3.180 mm
MU5217V
85.000 mm
134.210 mm
49.212 mm
108.050 mm
3.180 mm
MU5217X
85.000 mm
134.210 mm
49.212 mm
108.050 mm
3.180 mm
MU5218L
90.000 mm
142.190 mm
52.388 mm
114.170 mm
3.180 mm
MU5218X
90.000 mm
142.190 mm
52.388 mm
114.170 mm
3.180 mm
MU5219L
95.000 mm
151.230 mm
55.562 mm
121.030 mm
3.180 mm
MU1934V
170.000 mm
214.860 mm
28.000 mm
191.290 mm
3.180 mm
1.978 kg
MU5212L
60.000 mm
97.760 mm
36.512 mm
76.940 mm
2.030 mm
0.951 kg
MU1956V
280.000 mm
354.840 mm
46.000 mm
315.570 mm
7.140 mm
MU5212X
60.000 mm
97.760 mm
36.512 mm
76.940 mm
2.030 mm
MU5205L
25.000 mm
44.860 mm
20.638 mm
34.320 mm
1.020 mm
0.118 kg
MU5213L
65.000 mm
105.820 mm
38.100 mm
85.340 mm
2.540 mm
1.166 kg
MU5205X
25.000 mm
44.860 mm
20.638 mm
34.320 mm
1.020 mm
MU5213X
65.000 mm
105.820 mm
38.100 mm
85.340 mm
2.540 mm
MU5206L
30.000 mm
54.008 mm
23.812 mm
40.870 mm
1.020 mm
0.207 kg
MU5206V
30.000 mm
54.080 mm
23.182 mm
40.870 mm
1.020 mm
MU5207L
35.000 mm
62.480 mm
26.988 mm
47.290 mm
1.020 mm
0.307 kg
MU5207X
35.000 mm
62.480 mm
26.988 mm
47.290 mm
1.020 mm
MU5208L
40.000 mm
69.620 mm
30.162 mm
53.440 mm
1.520 mm
0.425 kg