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
6817N
85
110
13
1
20600
20000
5600
6700
6017ZZ
85
130
22
1.1
54500
43000
6000
6817NR
85
110
13
1
20600
20000
5600
6700
6217
85
150
28
2
92500
62000
4800
6000
6015ZZ
75
115
20
1.1
43500
33500
6700
6816NR
80
100
10
0.6
13900
14500
6000
7100
6216
80
140
26
2
80000
53000
5300
6300
6215
75
130
25
1.5
73000
49500
5600
6700
6816VV
80
100
10
0.6
13900
14500
6000
6215DDU
75
130
25
1.5
73000
49500
3200
6816ZZ
80
100
10
0.6
13900
14500
6000
6215N
75
130
25
1.5
73000
49500
5600
6700
6916
80
110
16
1
27400
24000
5600
6700
6215NR
75
130
25
1.5
73000
49500
5600
6700
6916DDU
80
110
16
1
27400
24000
3200
6215VV
75
130
25
1.5
73000
49500
5600
6916N
80
110
16
1
27400
24000
5600
6700
6215ZZ
75
130
25
1.5
73000
49500
5600
6916NR
80
110
16
1
27400
24000
5600
6700
6315
75
160
37
2.1
125000
77000
4800
6000
6916VV
80
110
16
1
27400
24000
5600
6315DDU
75
160
37
2.1
125000
77000
2800
6916ZZ
80
110
16
1
27400
24000
5600
6915ZZ
75
105
16
1
26800
22600
6000