617/4 674 Minature Deep Groove Ball Bearings 4X7X2 mm Single Row Radial Open Rolling BearingsThin Section Robot Bearings
The 674 miniature deep groove ball bearing, with dimensions of 4mm inner diameter × 7mm outer diameter × 2 mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.
Bearing Number |
Boundary Dimensions(mm) |
Basic Load Rating(N) |
Limiting Speed(rpm) |
Reference(kg)
Weight |
| Inner Diameter |
Outer Diameter |
Width |
Chamfer |
Dynamic |
Static |
Grease |
Oil |
| d |
D |
B |
B1 |
r(min) |
Cr |
Cor |
Non-contact |
Wt ≈ |
| 617/3 |
ZZ |
|
3 |
6 |
2 |
2.5 |
0.1 |
242 |
94 |
60000 |
71000 |
0.00020 |
| 617/4 |
ZZ |
|
4 |
7 |
2 |
2.5 |
0.1 |
222 |
88 |
54000 |
63000 |
0.00028 |
| 617/5 |
ZZ |
|
5 |
8 |
2 |
2.5 |
0.1 |
217 |
91 |
49000 |
57000 |
0.00032 |
| 617/6 |
ZZ |
|
6 |
10 |
2.5 |
3 |
0.1 |
465 |
196 |
43000 |
51000 |
0.00065 |
| 617/7 |
ZZ |
|
7 |
11 |
2.5 |
3 |
0.1 |
555 |
269 |
40000 |
47000 |
0.00067 |
| 617/8 |
ZZ |
|
8 |
12 |
2.5 |
3.5 |
0.1 |
515 |
252 |
38000 |
45000 |
0.00075 |
| 617/9 |
ZZ |
|
9 |
14 |
3 |
4.5 |
0.1 |
920 |
465 |
36000 |
42000 |
0.00140 |
674 Ball Bearings 4X7X2 mm Specifications & Dimensions
| Universal |
674 |
| Type |
Deep Groove Ball |
| Inner/Outer Ring/ Ball Material |
Chrome Steel |
| Cage Material |
Steel/Nylon |
| CageType |
Punching |
| Precision |
P0,P6 |
| Inner Dimension d(Ø)(mm) |
3 |
| Outer Dimension D(Ø)(mm) |
6 |
| Width B (or T)(mm) |
2 |
| Lubrication |
Oil or Grease |
| Load Direction |
Radial |
| Specifications/Environment |
Standard |
| Number of Raceway Ring Rows |
Single Track |
| Size Standards |
Metric Series |
The 674 miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:
1. Micro Motors and Precision Instruments
The 674, being a miniature deep groove ball bearing, is commonly used in devices that require high precision and compact size, such as micro motors, precision instruments, medical devices, electronic components, and clocks.
2. Industrial Machinery
General Equipment: Used in machinery requiring precise rotational support, including electric hydraulic lifting platforms, roller conveyors, and bevelling machines.
Chemical and Pharmaceutical Equipment: Suitable for mixers and reactors where good sealing properties and strong corrosion resistance are required.
Food Packaging and Inspection: Utilized in beverage production lines and food and drug packaging machines where cleanliness is crucial.
3. Transportation Equipment
Components related to power generation equipment and air purification systems may be employed in vehicle transmission systems or auxiliary equipment.
4. Specialized Industries
Energy and Metallurgy: Used in low-friction support parts in generators and mining machinery.
Textile and Printing Equipment: Ideal for scenarios requiring high-speed rotation with low noise levels.
Features and Advantages
The 674 deep groove ball bearing features a compact structure, low friction, and easy maintenance. It can accommodate both radial and axial loads, making it suitable for high-speed and low-noise environments.
This bearing's versatility makes it an essential component across various industries, providing reliable performance in demanding applications. Whether in precision-driven sectors like electronics and medical devices or in heavy-duty industrial settings, the 674 bearing supports efficient operation while maintaining high standards of quality and durability.
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617/4 674 Minature Deep Groove Ball Bearings 4X7X2 mm Single Row Radial Open Rolling BearingsThin Section Robot Bearings Images
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