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
23040CAME4
200
310
82
2.1
1180000
1700000
1000
1300
23040CAMKE4
200
310
82
2.1
1180000
1700000
1000
1300
24040CAME4
200
310
109
2.1
1420000
2120000
1100
24040CAMK30E4
200
310
109
2.1
1420000
2120000
1100
24040CE4
200
310
109
2.1
1430000
2120000
850
1100
24040CK30E4
200
310
109
2.1
1430000
2120000
850
1100
23140CAME4
200
340
112
3
1700000
2330000
1000
23140CAMKE4
200
340
112
3
1700000
2330000
1000
23140CE4
200
340
112
3
1700000
2330000
800
1000
23140CKE4
200
340
112
3
1700000
2330000
800
1000
23134CE4
170
280
88
2.1
1180000
1570000
1000
1300
23134CKE4
170
280
88
2.1
1180000
1570000
1000
1300
24134CAME4
170
280
109
2.1
1280000
1770000
1000
1300
24134CAMK30E4
170
280
109
2.1
1280000
1770000
1000
1300
24134CE4
170
280
109
2.1
1340000
1860000
1000
1300
24134CK30E4
170
280
109
2.1
1340000
1860000
1000
1300
22234CAME4
170
310
86
4
1240000
1500000
1100
1400
22234CAMKE4
170
310
86
4
1240000
1500000
1100
1400
22234CDE4
170
310
86
4
1240000
1500000
1100
1400
22234CDKE4
170
310
86
4
1240000
1500000
1100
1400
23234CAME4
170
310
110
4
1500000
1910000
1200
23234CAMKE4
170
310
110
4
1500000
1910000
1200
23234CE4
170
310
110
4
1500000
1910000
900
1200
23234CKE4
170
310
110
4
1500000
1910000
900
1200