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
MU1312X
60.000 mm
112.500 mm
31.000 mm
84.020 mm
2.540 mm
MU1313L
65.000 mm
121.360 mm
33.000 mm
90.700 mm
2.540 mm
MU1313V
65.000 mm
121.360 mm
33.000 mm
90.700 mm
2.540 mm
1.378 kg
MU1313X
65.000 mm
121.360 mm
33.000 mm
90.700 mm
2.540 mm
MU1314L
70.000 mm
129.390 mm
35.000 mm
96.720 mm
3.180 mm
MU1309X
45.000 mm
86.110 mm
25.000 mm
64.130 mm
2.030 mm
0.617 kg
MU1314V
70.000 mm
129.390 mm
35.000 mm
96.720 mm
3.180 mm
1.669 kg
MU1222M
110.000 mm
176.200 mm
38.000 mm
134.870 mm
3.960 mm
MU1224L
120.000 mm
190.960 mm
40.000 mm
154.300 mm
4.750 mm
MU1226L
130.000 mm
206.380 mm
40.000 mm
164.720 mm
4.750 mm
MU1304L
20.000 mm
43.970 mm
15.000 mm
30.760 mm
1.020 mm
MU1305L
25.000 mm
53.420 mm
17.000 mm
37.490 mm
1.020 mm
MU1306L
30.000 mm
60.400 mm
19.000 mm
44.250 mm
1.520 mm
MU1306X
30.000 mm
60.400 mm
19.000 mm
44.250 mm
1.520 mm
MU1307L
35.000 mm
67.940 mm
21.000 mm
50.670 mm
1.520 mm
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