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
6817DDU
85
110
13
1
20600
20000
3200
6817N
85
110
13
1
20600
20000
5600
6700
6817NR
85
110
13
1
20600
20000
5600
6700
6817VV
85
110
13
1
20600
20000
5600
6817ZZ
85
110
13
1
20600
20000
5600
6917
85
120
18
1.1
35000
29600
5300
6300
6917DDU
85
120
18
1.1
35000
29600
3000
6917N
85
120
18
1.1
35000
29600
5300
6300
6917NR
85
120
18
1.1
35000
29600
5300
6300
6917VV
85
120
18
1.1
35000
29600
5300
6917ZZ
85
120
18
1.1
35000
29600
5300
16017
85
130
14
0.6
36000
31500
5000
6000
6017
85
130
22
1.1
54500
43000
6000
7100
6017DDU
85
130
22
1.1
54500
43000
3000
6017N
85
130
22
1.1
54500
43000
6000
7100
6017NR
85
130
22
1.1
54500
43000
6000
7100
6017VV
85
130
22
1.1
54500
43000
6000
6017ZZ
85
130
22
1.1
54500
43000
6000
6217
85
150
28
2
92500
62000
4800
6000
6217DDU
85
150
28
2
92500
62000
2800
6217N
85
150
28
2
92500
62000
4800
6000
6217NR
85
150
28
2
92500
62000
4800
6000
6217VV
85
150
28
2
92500
62000
4800
6217ZZ
85
150
28
2
92500
62000
4800