Single-Row Deep Groove Ball Bearings

**Introduction to NSK’s Single Row Deep Groove Ball Bearings: Precision, Performance, and Reliability**

NSK’s Single Row Deep Groove Ball Bearings represent the pinnacle of precision motion and control technology, engineered to deliver exceptional performance, durability, and efficiency across a wide range of industrial, automotive, and precision equipment applications. As a foundational component in rotating machinery, these bearings are designed to handle radial and axial loads simultaneously, offering smooth operation, low friction, and long service life even under demanding conditions.

### **Technical Features and Design Excellence**
NSK’s Single Row Deep Groove Ball Bearings are characterized by their robust construction and advanced material science. Key features include:
– **High-Precision Grinding:** Manufactured to ultra-tight tolerances, these bearings ensure minimal vibration and noise, making them ideal for high-speed applications.
– **Optimized Raceway Geometry:** The deep groove design allows for effective load distribution, enhancing both radial and axial load capacity.
– **Premium Steel and Lubrication Options:** Utilizing high-grade chromium steel (SUJ2 equivalent) and advanced heat treatment processes, NSK bearings achieve superior hardness and fatigue resistance. Custom lubrication options, including grease, oil, or solid lubricants, further extend service intervals.
– **Sealed and Shielded Variants:** Available with rubber seals (RS, 2RS) or metal shields (ZZ) to protect against contamination while retaining lubrication, improving reliability in harsh environments.

### **Performance Advantages**
NSK’s deep groove ball bearings are engineered to outperform competitors in critical areas:
– **Low Friction & Energy Efficiency:** Precision-ground surfaces and optimized internal geometries reduce torque losses, contributing to energy savings in motors, pumps, and automotive systems.
– **High-Speed Capability:** Advanced cage designs (stamped steel, machined brass, or polymer) minimize centrifugal forces, enabling stable operation at elevated speeds.
– **Extended Service Life:** NSK’s proprietary materials and surface treatments, such as Super-TF coating, enhance wear resistance and corrosion protection, reducing maintenance downtime.

### **Typical Applications**
These bearings are indispensable in industries where precision and reliability are paramount:
– **Industrial Machinery:** Electric motors, gearboxes, conveyors, and machine tool spindles benefit from their high load capacity and smooth rotation.
– **Automotive Systems:** Used in alternators, wheel hubs, and transmission systems, NSK bearings contribute to fuel efficiency and reduced NVH (Noise, Vibration, Harshness).
– **Precision Equipment:** Medical devices, robotics, and semiconductor manufacturing equipment rely on their quiet, vibration-free operation for accuracy.

With decades of expertise in bearing technology, NSK continues to innovate, ensuring that its Single Row Deep Groove Ball Bearings meet the evolving demands of modern engineering—delivering unmatched performance, reliability, and efficiency across global industries.

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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
6932DDU
160
220
28
2
95500
96000
1600
6932ZZS
160
220
28
2
95500
96000
2600
16032
160
240
25
1.5
109000
108000
2400
2800
6032
160
240
38
2.1
150000
135000
2400
2800
6024N
120
180
28
2
97000
80000
4000
4800
6024NR
120
180
28
2
97000
80000
4000
4800
6024VV
120
180
28
2
97000
80000
4000
6024ZZ
120
180
28
2
97000
80000
4000
6224
120
215
40
2.1
171000
131000
2600
3200
6224DDU
120
215
40
2.1
171000
131000
2000
6224VV
120
215
40
2.1
171000
131000
2600
6224ZZ
120
215
40
2.1
171000
131000
2600
6324
120
260
55
3
227000
185000
2200
2800
6324DDU
120
260
55
3
227000
185000
1800
6324ZZS
120
260
55
3
227000
185000
2200
6826
130
165
18
1.1
40500
44000
3600
4300
6826DD
130
165
18
1.1
40500
44000
2000
6826N
130
165
18
1.1
40500
44000
3600
4300
6826NR
130
165
18
1.1
40500
44000
3600
4300
6826VV
130
165
18
1.1
40500
44000
3600
6826ZZS
130
165
18
1.1
40500
44000
3600
6926
130
180
24
1.5
71500
67500
3400
4000
6926N
130
180
24
1.5
71500
67500
3400
4000
6926NR
130
180
24
1.5
71500
67500
3400
4000