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
24040CAME4
200
310
109
2.1
1420000
2120000
1100
23236CKE4
180
320
112
4
1630000
2110000
850
1100
24138CAMK30E4
190
320
128
3
1710000
2330000
1100
24040CAMK30E4
200
310
109
2.1
1420000
2120000
1100
22336CAME4
180
380
126
4
2170000
2340000
950
1200
24138CE4
190
320
128
3
1710000
2330000
850
1100
24040CE4
200
310
109
2.1
1430000
2120000
850
1100
22336CAMKE4
180
380
126
4
2170000
2340000
950
1200
24138CK30E4
190
320
128
3
1710000
2330000
850
1100
24040CK30E4
200
310
109
2.1
1430000
2120000
850
1100
23938CAME4
190
260
52
2
575000
875000
1200
1500
22238CAME4
190
340
92
4
1420000
1730000
1000
1200
23140CAME4
200
340
112
3
1700000
2330000
1000
23938CAMKE4
190
260
52
2
575000
875000
1200
1500
22238CAMKE4
190
340
92
4
1420000
1730000
1000
1200
23140CAMKE4
200
340
112
3
1700000
2330000
1000
23038CAME4
190
290
75
2.1
970000
1350000
1100
1400
23238CAME4
190
340
120
4
1800000
2350000
1100
23140CE4
200
340
112
3
1700000
2330000
800
1000
23038CAMKE4
190
290
75
2.1
970000
1350000
1100
1400