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
23232CAME4
160
290
104
3
1370000
1770000
1000
1300
23232CAMKE4
160
290
104
3
1370000
1770000
1000
1300
23232CE4
160
290
104
3
1370000
1770000
1000
1300
23232CKE4
160
290
104
3
1370000
1770000
1000
1300
22332CAME4
160
340
114
4
1700000
1900000
1100
1300
22332CAMKE4
160
340
114
4
1700000
1900000
1100
1300
23934CAME4
170
230
45
2
450000
680000
1400
1800
23934CAMKE4
170
230
45
2
450000
680000
1400
1800
23034CAME4
170
260
67
2.1
795000
1090000
1200
1600
23034CAMKE4
170
260
67
2.1
795000
1090000
1200
1600
23034CDE4
170
260
67
2.1
795000
1090000
1200
1600
23034CDKE4
170
260
67
2.1
795000
1090000
1200
1600
24034CAME4
170
260
90
2.1
1030000
1520000
1000
1300
24034CAMK30E4
170
260
90
2.1
1030000
1520000
1000
1300
24034CE4
170
260
90
2.1
1030000
1520000
1000
1300
24034CK30E4
170
260
90
2.1
1030000
1520000
1000
1300
23134CAME4
170
280
88
2.1
1180000
1570000
1000
1300
23134CAMKE4
170
280
88
2.1
1180000
1570000
1000
1300
24128CE4
140
225
85
2.1
840000
1160000
1200
1600
24128CK30E4
140
225
85
2.1
840000
1160000
1200
1600
22228CAME4
140
250
68
3
835000
945000
1400
1700
22228CAMKE4
140
250
68
3
835000
945000
1400
1700
22228CDE4
140
250
68
3
645000
930000
1400
1700
22228CDKE4
140
250
68
3
645000
930000
1400
1700