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.

MORE +
CLOSE +
Part Number B C W F R Mass
WU67314X
70.000 mm
135.059 mm
43.000 mm
97.003 mm
3.175 mm
2.651 kg
WU67320X
100.000 mm
193.711 mm
60.000 mm
N/A
N/A
7.421 kg
WU68215X
75.000 mm
119.235 mm
38.000 mm
N/A
N/A
1.488 kg
WUB67221V
105.000 mm
172.778 mm
43.000 mm
N/A
N/A
4.200 kg
WUB67320X
100.000 mm
193.711 mm
60.000 mm
N/A
N/A
7.430 kg
WUC61036V
180.000 mm
259.855 mm
46.000 mm
N/A
N/A
6.704 kg
WUF67220X
100.000 mm
163.993 mm
41.000 mm
N/A
N/A
3.800 kg
MUB1934J
170.000 mm
214.860 mm
28.000 mm
191.290 mm
3.180 mm
2.207 kg
MUB1956V
280.000 mm
354.840 mm
46.000 mm
305.820 mm
7.140 mm
8.936 kg
MUB5220
100.000 mm
161.610 mm
60.325 mm
128.450 mm
3.960 mm
MUC1308J
40.000 mm
77.670 mm
22.240 mm
57.404 mm
1.520 mm
0.445 kg
MUF1210X
50.000 mm
79.550 mm
20.000 mm
63.960 mm
1.520 mm
0.338 kg
MUF7308M
40.000 mm
77.622 mm
30.000 mm
57.000 mm
1.524 mm
MUF7309M
45.000 mm
86.058 mm
31.000 mm
64.310 mm
2.030 mm
0.725 kg
MUX1012V
60.000 mm
85.550 mm
18.000 mm
72.690 mm
1.520 mm
0.262 kg
MUX1216X
80.000 mm
124.660 mm
26.000 mm
100.790 mm
2.540 mm
1.027 kg
MUX5206V
30.000 mm
54.080 mm
23.812 mm
40.870 mm
1.020 mm
0.194 kg
MUX5207
35.000 mm
62.480 mm
26.988 mm
47.290 mm
1.020 mm
WU1930VV1
150.000 mm
196.609 mm
28.000 mm
169.494 mm
3.175 mm
1.888 kg
WU61018V
90.000 mm
129.466 mm
24.000 mm
105.920 mm
2.540 mm
0.816 kg
WU61219V
95.000 mm
154.003 mm
39.000 mm
N/A
N/A
1.887 kg
WU61920V
100.000 mm
131.989 mm
20.000 mm
N/A
N/A
0.599 kg
WU61928V
140.000 mm
180.185 mm
24.000 mm
156.620 mm
2.030 mm
1.243 kg
WU61928X
140.000 mm
180.185 mm
48.000 mm
156.620 mm
2.030 mm
1.379 kg