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
22334CAME4
170
360
120
4
1970000
2110000
1000
1200
22334CAMKE4
170
360
120
4
1970000
2110000
1000
1200
23936CAME4
180
250
52
2
590000
890000
1200
1600
23936CAMKE4
180
250
52
2
590000
890000
1200
1600
23036CAME4
180
280
74
2.1
935000
1270000
1200
1400
23036CAMKE4
180
280
74
2.1
935000
1270000
1200
1400
23036CDE4
180
280
74
2.1
935000
1270000
1200
1400
23036CDKE4
180
280
74
2.1
935000
1270000
1200
1400
24036CAME4
180
280
100
2.1
1210000
1750000
1200
24036CAMK30E4
180
280
100
2.1
1210000
1750000
1200
24036CE4
180
280
100
2.1
1210000
1750000
950
1200
24036CK30E4
180
280
100
2.1
1210000
1750000
950
1200
23136CAME4
180
300
96
3
1320000
1760000
1200
23136CAMKE4
180
300
96
3
1320000
1760000
1200
23136CE4
180
300
96
3
1320000
1760000
900
1200
23136CKE4
180
300
96
3
1320000
1760000
900
1200
24136CAME4
180
300
118
3
1490000
2040000
1200
24136CAMK30E4
180
300
118
3
1490000
2040000
1200
24136CE4
180
300
118
3
1490000
2040000
900
1200
24136CK30E4
180
300
118
3
1490000
2040000
900
1200
22236CAME4
180
320
86
4
1280000
1540000
1100
1300
22236CAMKE4
180
320
86
4
1280000
1540000
1100
1300
22236CDE4
180
320
86
4
1280000
1540000
1100
1300
22236CDKE4
180
320
86
4
1280000
1540000
1100
1300