Spherical Roller Bearings

**NSK Spherical Roller Bearings: Precision Motion for Demanding Industrial Applications**

In the world of precision motion and control, NSK stands as a leader in delivering high-performance bearing solutions designed to meet the rigorous demands of modern industrial machinery, automotive systems, and precision equipment. Among NSK’s extensive portfolio of roller bearings, **Spherical Roller Bearings** stand out for their exceptional load capacity, self-aligning capability, and durability—making them indispensable in applications where misalignment, heavy loads, and harsh operating conditions are common challenges.

### **Technical Features & Design Excellence**
NSK’s Spherical Roller Bearings are engineered with a robust double-row barrel-shaped roller design, paired with a spherical outer ring raceway. This unique construction allows the bearings to accommodate **both radial and axial loads simultaneously**, while compensating for **shaft misalignment**—a critical advantage in machinery subject to deflection or mounting inaccuracies. Key technical features include:

– **High Load Capacity:** Optimized roller geometry and advanced heat treatment processes ensure superior resistance to dynamic and static loads, extending service life even under extreme stress.
– **Self-Alignment Capability:** The spherical outer ring design permits up to **2-3 degrees of angular misalignment**, reducing stress concentrations and preventing premature failure in applications where shaft deflection or housing distortion occurs.
– **Enhanced Lubrication & Sealing:** NSK incorporates advanced sealing solutions and lubrication technologies to minimize friction, reduce wear, and prevent contamination—critical for bearings operating in dirty or high-temperature environments.
– **Precision-Grade Manufacturing:** Manufactured to tight tolerances using high-quality steel and advanced grinding techniques, NSK Spherical Roller Bearings deliver smooth, vibration-free operation essential for precision equipment.

### **Performance Advantages for Industrial & Automotive Applications**
NSK’s Spherical Roller Bearings excel in applications requiring **high reliability, long service life, and minimal maintenance**. Their ability to handle heavy loads and misalignment makes them ideal for:

– **Industrial Machinery:** Used in gearboxes, conveyors, crushers, and mining equipment where shock loads and misalignment are prevalent.
– **Material Handling & Construction Equipment:** Essential for cranes, excavators, and heavy-duty pulleys where durability under variable loads is critical.
– **Automotive & Transportation:** Applied in truck axles, transmissions, and off-road vehicles that demand robust performance under harsh conditions.
– **Wind Turbines & Energy Systems:** Trusted in renewable energy applications where reliability and minimal downtime are paramount.

### **Conclusion: Engineered for Reliability & Efficiency**
NSK Spherical Roller Bearings represent the pinnacle of precision motion control, combining innovative design with high-performance materials to deliver unmatched reliability in the most demanding environments. Whether in heavy industry, automotive systems, or precision machinery, NSK’s bearings ensure **smooth operation, extended service life, and reduced maintenance costs**—reinforcing NSK’s reputation as a global leader in advanced bearing technology.

For industries that demand **durability, precision, and efficiency**, NSK Spherical Roller Bearings provide the optimal solution to enhance performance and productivity.

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Designations Nominal Dimensions Basic Load Ratings Speeds
Limiting Speeds
d
mm
D
mm
B
mm
r (min.)
mm
Cr
N
C0r
N
Grease
min-1
Oil (Oil-bath)
min-1
24020CK30E4
100
150
50
1.5
276000
470000
1800
2400
22320EAKE4
100
215
73
3
860000
930000
1800
2400
22318EAE4
90
190
64
3
665000
705000
2400
3000
23120CE4
100
165
52
2
345000
530000
1700
2200
23022CDE4
110
170
45
2
293000
465000
2000
2400
22318EAKE4
90
190
64
3
665000
705000
2400
3000
23120CKE4
100
165
52
2
345000
530000
1700
2200
23022CDKE4
110
170
45
2
293000
465000
2000
2400
22219EAE4
95
170
43
2.1
415000
450000
3000
3800
24120CAME4
100
165
65
2
345000
535000
1700
2200
24022CE4
110
170
60
2
380000
645000
1600
2200
22219EAKE4
95
170
43
2.1
415000
450000
3000
3800
24120CAMK30E4
100
165
65
2
345000
535000
1700
2200
24022CK30E4
110
170
60
2
380000
645000
1600
2200
23219CAME4
95
170
55.6
2.1
370000
525000
1700
2200
22220EAE4
100
180
46
2.1
455000
490000
2800
3600
23122CAME4
110
180
56
2
480000
630000
1600
2000
23219CAMKE4
95
170
55.6
2.1
370000
525000
1700
2200
22220EAKE4
100
180
46
2.1
455000
490000
2800
3600
23122CAMKE4
110
180
56
2
480000
630000
1600
2000
21319CAME4
95
200
45
3
430000
435000
1500
2000
23220CAME4
100
180
60.3
2.1
525000
605000
1600
2200
21319CAMKE4
95
200
45
3
430000
435000
1500
2000
23220CAMKE4
100
180
60.3
2.1
525000
605000
1600
2200