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
22264CAMKE4
320
580
150
5
3750000
4850000
530
670
22256CAME4
280
500
130
5
2850000
3650000
630
800
22260CAME4
300
540
140
5
3250000
4250000
600
750
23264CAME4
320
580
208
5
4850000
6900000
450
600
22256CAMKE4
280
500
130
5
2850000
3650000
630
800
22260CAMKE4
300
540
140
5
3250000
4250000
600
750
23264CAMKE4
320
580
208
5
4850000
6900000
450
600
23256CAME4
280
500
176
5
3600000
4900000
530
670
23260CAME4
300
540
192
5
4250000
5900000
480
630
23968CAME4
340
460
90
3
1670000
2840000
630
800
23248CAMKE4
240
440
160
4
3050000
4050000
630
800
23252CAMKE4
260
480
174
5
3400000
4550000
560
750
24048CAME4
240
360
118
3
1730000
2730000
710
950
22348CAME4
240
500
155
5
3250000
3800000
670
850
22352CAME4
260
540
165
6
3900000
4600000
630
800
24048CAMK30E4
240
360
118
3
1730000
2730000
710
950
22348CAMKE4
240
500
155
5
3250000
3800000
670
850
22352CAMKE4
260
540
165
6
3900000
4600000
630
800
24048CE4
240
360
118
3
1730000
2730000
710
950
23952CAME4
260
360
75
2.1
1170000
1870000
850
1000
23956CAME4
280
380
75
2.1
1160000
1950000
800
950
24048CK30E4
240
360
118
3
1730000
2730000
710
950
23952CAMKE4
260
360
75
2.1
1170000
1870000
850
1000
23956CAMKE4
280
380
75
2.1
1160000
1950000
800
950