Single-Row Cylindrical Roller Bearings

**Introduction to NSK’s Single Row Cylindrical Roller Bearings: Precision, Performance, and Reliability**

In the demanding world of industrial machinery, automotive systems, and precision equipment, the reliability and efficiency of rotating components are critical. NSK’s **Single Row Cylindrical Roller Bearings** stand at the forefront of precision motion and control technology, offering unmatched performance in high-load, high-speed applications. Engineered with advanced materials, precision manufacturing, and innovative design features, these bearings deliver exceptional durability, reduced friction, and extended service life—ensuring optimal performance in even the most challenging environments.

### **Technical Features & Design Advantages**
NSK’s Single Row Cylindrical Roller Bearings are designed with a robust construction that maximizes load capacity while minimizing operational friction. Key features include:

– **High Radial Load Capacity:** The optimized roller and raceway geometry ensures even stress distribution, making these bearings ideal for heavy radial loads encountered in industrial gearboxes, machine tools, and powertrain systems.
– **Precision Ground Components:** Manufactured to ultra-tight tolerances, NSK’s bearings minimize vibration and noise, enhancing performance in precision applications such as robotics, medical equipment, and semiconductor manufacturing.
– **Superior Lubrication Retention:** Advanced cage designs and surface treatments improve lubricant distribution, reducing wear and extending maintenance intervals.
– **Heat-Resistant Materials:** High-grade steel and specialized heat treatments enhance durability, even in high-temperature environments like automotive transmissions or steel mill equipment.
– **Low Friction & Energy Efficiency:** Optimized internal geometry reduces power loss, contributing to energy savings in electric motors, wind turbines, and industrial automation systems.

### **Performance Advantages**
NSK’s Single Row Cylindrical Roller Bearings outperform conventional solutions by offering:
– **Longer Service Life:** Reduced wear and fatigue resistance ensure extended operational life, lowering total cost of ownership.
– **Enhanced Rigidity & Stability:** Precision alignment and optimized internal clearances improve machine accuracy, critical for CNC machining and robotics.
– **Versatility in Mounting:** Available in various configurations (e.g., NU, NJ, NUP designs), these bearings accommodate different shaft fixation requirements, simplifying integration into diverse machinery.

### **Typical Applications**
These bearings are widely used in industries where precision, reliability, and high load capacity are essential:
– **Industrial Machinery:** Gearboxes, pumps, compressors, and printing presses.
– **Automotive Systems:** Transmissions, wheel hubs, and electric vehicle drivetrains.
– **Precision Equipment:** Robotics, medical imaging devices, and aerospace actuators.

By combining cutting-edge engineering with rigorous quality control, NSK’s Single Row Cylindrical Roller Bearings provide a dependable solution for applications demanding precision motion control, durability, and efficiency. Whether in high-speed production lines or mission-critical automotive systems, NSK ensures smooth, reliable performance—keeping industries moving forward.

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Designations Nominal Dimensions Basic Load Ratings
d
mm
D
mm
B
mm
r(min.)
mm
r1(min.)
mm
FW
mm
EW
mm
Cr
N
C0r
N
NU236EM
180
320
52
4
4
217
770000
850000
N230M
150
270
45
3
3
238
460000
490000
NU2330EM
150
320
108
4
4
193
1430000
1600000
NJ2228EM
140
250
68
3
3
169
675000
790000
N230W
150
270
45
3
3
238
440000
465000
NUP2330EM
150
320
108
4
4
193
1430000
1600000
NU2228EM
140
250
68
3
3
169
675000
790000
NF230M
150
270
45
3
3
238
460000
490000
N1032
160
240
38
2.1
1.5
220
292000
340000
NUP2228EM
140
250
68
3
3
169
675000
790000
NF230W
150
270
45
3
3
238
440000
465000
NF1032
160
240
38
2.1
1.5
220
292000
340000
N328M
140
300
62
4
4
260
760000
745000
NJ230EM
150
270
45
3
3
182
550000
595000
NJ1032
160
240
38
2.1
1.5
180
292000
340000
NF328M
140
300
62
4
4
260
760000
745000
NU230EM
150
270
45
3
3
182
550000
595000
NU1032
160
240
38
2.1
1.5
180
292000
340000
NJ328EM
140
300
62
4
4
180
815000
795000
NUP230EM
150
270
45
3
3
182
550000
595000
N232M
160
290
48
3
3
255
525000
570000
NU328EM
140
300
62
4
4
180
815000
795000
NJ2230EM
150
270
73
3
3
182
780000
930000
NF232M
160
290
48
3
3
255
525000
570000