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.

MORE +
CLOSE +
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
24024CE4
120
180
60
2
495000
705000
1500
2000
24024CK30E4
120
180
60
2
495000
705000
1500
2000
23124CAME4
120
200
62
2
580000
720000
1400
1800
23124CAMKE4
120
200
62
2
580000
720000
1400
1800
23124CE4
120
200
62
2
580000
720000
1400
1800
23124CKE4
120
200
62
2
580000
720000
1400
1800
24124CAME4
120
200
80
2
695000
905000
1400
1800
24124CAMK30E4
120
200
80
2
695000
905000
1400
1800
24124CE4
120
200
80
2
720000
950000
1400
1800
24124CK30E4
120
200
80
2
720000
950000
1400
1800
22224EAE4
120
215
58
2.1
685000
765000
2400
3000
22224EAKE4
120
215
58
2.1
685000
765000
2400
3000
23224CAME4
120
215
76
2.1
790000
970000
1300
1700
23224CAMKE4
120
215
76
2.1
790000
970000
1300
1700
23224CE4
120
215
76
2.1
790000
970000
1300
1700
23224CKE4
120
215
76
2.1
790000
970000
1300
1700
22324EAE4
120
260
86
3
1190000
1320000
1100
1400
22324EAKE4
120
260
86
3
1190000
1320000
1100
1400
21318EAE4
90
190
43
3
415000
450000
2800
3600
21318EAKE4
90
190
43
3
415000
450000
2800
3600
22318EAE4
90
190
64
3
665000
705000
2400
3000
22318EAKE4
90
190
64
3
665000
705000
2400
3000
22219EAE4
95
170
43
2.1
415000
450000
3000
3800
22219EAKE4
95
170
43
2.1
415000
450000
3000
3800