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
MU1307V
35.000 mm
67.940 mm
21.000 mm
50.670 mm
1.520 mm
0.288 kg
MU1307X
35.000 mm
67.940 mm
21.000 mm
50.670 mm
1.520 mm
MU1308L
40.000 mm
77.670 mm
23.000 mm
57.000 mm
1.520 mm
0.452 kg
MU1220V
100.000 mm
161.210 mm
34.000 mm
128.450 mm
3.960 mm
MU1308V
40.000 mm
77.670 mm
23.000 mm
57.000 mm
1.520 mm
MU1220X
100.000 mm
161.210 mm
34.000 mm
128.450 mm
3.960 mm
MU1308X
40.000 mm
77.670 mm
23.000 mm
57.000 mm
1.520 mm
MU1215X
75.000 mm
115.770 mm
25.000 mm
93.850 mm
2.540 mm
MU1216L
80.000 mm
124.660 mm
26.000 mm
100.790 mm
2.540 mm
1.018 kg
MU1216X
80.000 mm
124.660 mm
26.000 mm
100.790 mm
2.540 mm
MU1217L
85.000 mm
134.210 mm
28.000 mm
108.050 mm
3.180 mm
1.324 kg
MU1217M
85.000 mm
134.210 mm
28.000 mm
108.050 mm
3.180 mm
MU1217V
85.000 mm
134.210 mm
28.000 mm
108.050 mm
3.180 mm
MU1217X
85.000 mm
134.210 mm
28.000 mm
108.050 mm
3.180 mm
MU1218L
90.000 mm
142.190 mm
30.000 mm
114.170 mm
3.180 mm
MU1218M
90.000 mm
142.190 mm
30.000 mm
114.170 mm
3.180 mm
MU1218V
90.000 mm
142.190 mm
30.000 mm
114.170 mm
3.180 mm
1.433 kg
MU1213X
65.000 mm
105.820 mm
23.000 mm
85.340 mm
2.540 mm
MU1218X
90.000 mm
142.190 mm
30.000 mm
114.170 mm
3.180 mm
MU1214L
70.000 mm
111.530 mm
24.000 mm
89.610 mm
2.540 mm
0.807 kg