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
24126CE4
130
210
80
2
735000
1010000
1300
1700
24126CK30E4
130
210
80
2
735000
1010000
1300
1700
22226EAE4
130
230
64
3
820000
940000
2200
2600
22226EAKE4
130
230
64
3
820000
940000
2200
2600
23226CAME4
130
230
80
3
875000
1080000
1200
1600
23226CAMKE4
130
230
80
3
875000
1080000
1200
1600
23226CE4
130
230
80
3
875000
1080000
1200
1600
23226CKE4
130
230
80
3
875000
1080000
1200
1600
22326CAME4
130
280
93
4
1240000
1350000
1300
1600
22326CAMKE4
130
280
93
4
1240000
1350000
1300
1600
22326CE4
130
280
93
4
1240000
1350000
1300
1600
22326CKE4
130
280
93
4
1240000
1350000
1300
1600
23028CAME4
140
210
53
2
525000
715000
1600
1900
23028CAMKE4
140
210
53
2
525000
715000
1600
1900
23028CDE4
140
210
53
2
525000
715000
1600
1900
23028CDKE4
140
210
53
2
525000
715000
1600
1900
24028CAME4
140
210
69
2
635000
905000
1300
1700
24028CAMK30E4
140
210
69
2
635000
905000
1300
1700
24028CE4
140
210
69
2
655000
945000
1300
1700
24028CK30E4
140
210
69
2
655000
945000
1300
1700
23128CAME4
140
225
68
2.1
725000
945000
1200
1600
23128CAMKE4
140
225
68
2.1
725000
945000
1200
1600
23128CE4
140
225
68
2.1
725000
945000
1200
1600
23128CKE4
140
225
68
2.1
725000
945000
1200
1600