NSK 6903ZZC3E/ Deep Groove Ball Bearing/Double-sided iron cover bearings, dustproof and durable
Product Description
1. Model: NSK 6903
2. Type: Deep Groove Ball Bearing
- Deep groove ball bearings are one of the most common types of bearings, known for their high load-carrying capacity and smooth operation.
- They are suitable for various applications, including power tools, automotive components, machinery, etc.
3. Dimensional Parameters:
- Inner Diameter (d): 17 millimeters
- Outer Diameter (D): 30 millimeters
- Width (B): 7 millimeters
4. Material:
- The inner and outer rings, as well as the rolling elements, are typically made of high-quality bearing steel to provide sufficient strength and wear resistance.
| Model |
Dust cover type |
Sealing ring type |
Bore Diameter (mm) |
Outer Diameter(mm) |
Width(mm) |
| 6800 |
ZZ |
VV/DD/DDU |
10 |
19 |
5 |
| 6900 |
ZZ |
VV/DD/DDU |
10 |
22 |
6 |
| 6000 |
ZZ |
VV/DD/DDU |
10 |
26 |
8 |
| 6200 |
ZZ |
VV/DD/DDU |
10 |
30 |
9 |
| 6300 |
ZZ |
VV/DD/DDU |
10 |
35 |
11 |
| 6801 |
ZZ |
VV/DD/DDU |
12 |
21 |
5 |
| 6901 |
ZZ |
VV/DD/DDU |
12 |
24 |
6 |
| 16001 |
- |
- |
12 |
28 |
7 |
| 6001 |
ZZ |
VV/DD/DDU |
12 |
28 |
8 |
| 6201 |
ZZ |
VV/DD/DDU |
12 |
32 |
10 |
| 6301 |
ZZ |
VV/DD/DDU |
12 |
37 |
12 |
| 6802 |
ZZ |
VV/DD/DDU |
15 |
24 |
5 |
| 6902 |
ZZ |
VV/DD/DDU |
15 |
28 |
7 |
| 16002 |
- |
- |
15 |
32 |
8 |
| 6002 |
ZZ |
VV/DD/DDU |
15 |
32 |
9 |
| 6202 |
ZZ |
VV/DD/DDU |
15 |
35 |
11 |
| 6302 |
ZZ |
VV/DD/DDU |
15 |
42 |
13 |
| 6803 |
ZZ |
VV/DD/DDU |
17 |
26 |
5 |
| 6903 |
ZZ |
VV/DD/DDU |
17 |
30 |
7 |
| 16003 |
- |
- |
17 |
35 |
8 |
| 6003 |
ZZ |
VV/DD/DDU |
17 |
35 |
10 |
| 6203 |
ZZ |
VV/DD/DDU |
17 |
40 |
12 |
| 6303 |
ZZ |
VV/DD/DDU |
17 |
47 |
14 |
| 6804 |
ZZ |
VV/DD/DDU |
20 |
32 |
7 |
| 6904 |
ZZ |
VV/DD/DDU |
20 |
37 |
9 |
| 16004 |
- |
- |
20 |
42 |
8 |
| 6004 |
ZZ |
VV/DD/DDU |
20 |
42 |
12 |
| 6204 |
ZZ |
VV/DD/DDU |
20 |
47 |
14 |
| 6304 |
ZZ |
VV/DD/DDU |
20 |
52 |
15 |
| 6805 |
ZZ |
VV/DD/DDU |
25 |
37 |
7 |
| 6905 |
ZZ |
VV/DD/DDU |
25 |
42 |
9 |
| 16005 |
- |
- |
25 |
47 |
8 |
| 6005 |
ZZ |
VV/DD/DDU |
25 |
47 |
12 |
| 6205 |
ZZ |
VV/DD/DDU |
25 |
52 |
15 |
| 6305 |
ZZ |
VV/DD/DDU |
25 |
62 |
17 |
| 6806 |
ZZ |
VV/DD/DDU |
30 |
42 |
7 |
| 6906 |
ZZ |
VV/DD/DDU |
30 |
47 |
9 |
| 16006 |
- |
- |
30 |
55 |
9 |
| 6006 |
ZZ |
VV/DD/DDU |
30 |
55 |
13 |
| 6206 |
ZZ |
VV/DD/DDU |
30 |
62 |
16 |
| 6306 |
ZZ |
VV/DD/DDU |
30 |
72 |
19 |
| 6807 |
ZZ |
VV/DD/DDU |
35 |
47 |
7 |
| 6907 |
ZZ |
VV/DD/DDU |
35 |
55 |
10 |
| 16007 |
- |
- |
35 |
62 |
9 |
| 6007 |
ZZ |
VV/DD/DDU |
35 |
62 |
14 |
| 6207 |
ZZ |
VV/DD/DDU |
35 |
72 |
17 |
| 6307 |
ZZ |
VV/DD/DDU |
35 |
80 |
21 |
| 6808 |
ZZ |
VV/DD/DDU |
40 |
52 |
7 |
| 6908 |
ZZ |
VV/DD/DDU |
40 |
62 |
12 |
| 16008 |
- |
- |
40 |
68 |
9 |
| 6008 |
ZZ |
VV/DD/DDU |
40 |
68 |
15 |
| 6208 |
ZZ |
VV/DD/DDU |
40 |
80 |
18 |
| 6308 |
ZZ |
VV/DD/DDU |
40 |
90 |
23 |
| 6809 |
ZZ |
VV/DD/DDU |
45 |
58 |
7 |
| 6909 |
ZZ |
VV/DD/DDU |
45 |
68 |
12 |
| 16009 |
- |
- |
45 |
75 |
10 |
| 6009 |
ZZ |
VV/DD/DDU |
45 |
75 |
16 |
| 6209 |
ZZ |
VV/DD/DDU |
45 |
85 |
19 |
| 6309 |
ZZ |
VV/DD/DDU |
45 |
100 |
25 |
Applications of Deep Groove Ball Bearings:
Deep groove ball bearings are a common type of bearing with a wide range of applications. Here are some common applications of deep groove ball bearings:
1. Electric Motors and Engines: Deep groove ball bearings are commonly used in electric motors and engines to support the rotating motion of the rotor and withstand axial and radial loads.
2. Automotive Industry: Deep groove ball bearings are widely used in the automotive industry, including engine, transmission systems, suspension systems, wheels, and subframes.
3. Machinery Equipment: Deep groove ball bearings are suitable for various machinery equipment, such as industrial machinery, agricultural machinery, construction equipment, textile machinery, etc. They are used for power transmission, supporting rotating components, and reducing friction.
4. Pumps and Fans: Deep groove ball bearings are used in rotating equipment such as pumps and fans to support the rotation of the impeller and provide stable operation.
5. Household Appliances: Deep groove ball bearings are commonly found in household appliances such as washing machines, air conditioners, electric fans, etc., to support the rotation of motor rotors.
6. Industrial Transmissions: Deep groove ball bearings are used in various industrial transmission systems, such as gear transmissions, chain drives, etc., to support rotational motion and transmit torque.
7. Bicycles and Motorcycles: Deep groove ball bearings are widely used in bicycle and motorcycle wheels, steering systems, and engines.
These are just some common applications of deep groove ball bearings. In reality, deep groove ball bearings are widely used in various machinery and industries. Their simple structure and efficient performance make them an ideal choice for many rotating devices.
Deep groove ball bearings have several advantages:
1. High load-carrying capacity: Deep groove ball bearings can withstand both radial and axial loads, making them suitable for various load conditions.
2. Low friction and high efficiency: Deep groove ball bearings have a ball-and-groove structure, resulting in low frictional losses and providing high speed and operational efficiency.
3. Axial stability: The structure of deep groove ball bearings offers good axial stability, allowing them to withstand axial forces and prevent axial displacement.
4. Simplified installation and maintenance: Deep groove ball bearings have a simple structure, making them easy to install and dismantle, saving time and costs. Additionally, they often do not require additional lubrication or sealing devices.
5. Diverse applications: Deep groove ball bearings are widely used in various industries and fields, including machinery, automotive, power tools, and household appliances, meeting different application requirements.
6. High reliability and durability: Deep groove ball bearings are made of high-quality materials and undergo precision manufacturing, ensuring excellent reliability and durability to maintain stable performance during long-term operation.
In summary, deep groove ball bearings offer advantages such as high load-carrying capacity, low friction and high efficiency, axial stability, simplified installation and maintenance, diverse applications, and high reliability and durability. These characteristics make them a crucial type of bearing widely used in various industrial
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