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
NU2230EM
150
270
73
3
3
182
780000
930000
NUP2230EM
150
270
73
3
3
182
780000
930000
N330M
150
320
65
4
4
277
815000
805000
NF330M
150
320
65
4
4
277
815000
805000
NJ330EM
150
320
65
4
4
193
930000
920000
NU330EM
150
320
65
4
4
193
930000
920000
NUP330EM
150
320
65
4
4
193
930000
920000
NJ2330EM
150
320
108
4
4
193
1430000
1600000
NU2330EM
150
320
108
4
4
193
1430000
1600000
NUP2330EM
150
320
108
4
4
193
1430000
1600000
N1032
160
240
38
2.1
1.5
220
292000
340000
NF1032
160
240
38
2.1
1.5
220
292000
340000
NJ1032
160
240
38
2.1
1.5
180
292000
340000
NU1032
160
240
38
2.1
1.5
180
292000
340000
N232M
160
290
48
3
3
255
525000
570000
NF232M
160
290
48
3
3
255
525000
570000
NJ232EM
160
290
48
3
3
195
615000
665000
NUP2324EM
120
260
86
3
3
154
975000
1030000
N1026
130
200
33
2
1.1
182
211000
238000
NF1026
130
200
33
2
1.1
182
211000
238000
NJ1026
130
200
33
2
1.1
148
211000
238000
NU1026
130
200
33
2
1.1
148
211000
238000
N226M
130
230
40
3
3
204
345000
360000
N226W
130
230
40
3
3
204
335000
340000