617/9 679 Minature Deep Groove Ball Bearings 9mm X 14mm X3mm Single Row Thin Section Robot Bearings
The 679 miniature deep groove ball bearing, with dimensions of 9mm inner diameter × 14mm outer diameter × 3 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 |
679 Ball Bearings 9X14X3 mm Specifications & Dimensions
| Universal |
679 |
| 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) |
9 |
| Outer Dimension D(Ø)(mm) |
14 |
| Width B (or T)(mm) |
3 |
| Lubrication |
Grease |
| Load Direction |
Radial |
| Specifications/Environment |
Standard |
| Number of Raceway Ring Rows |
Single Track |
| Size Standards |
Metric Series |
The 679 miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:
I. Industrial Manufacturing
Printing Machinery
Used in the positioning bearing units of the main rollers in sheet-fed printing presses, meeting requirements for high precision and complex operating conditions.
Chemical and Pharmaceutical Equipment
Applied in equipment like vacuum pumps and oral liquid pharmaceutical machinery, requiring corrosion resistance and low friction characteristics.
II. Precision Instruments and Micro Devices
Electronic Components
Utilized in micro devices such as 3D printers and smart locks, relying on their low noise and high-speed performance.
Medical Devices
Employed in centrifuges, laboratory instruments, and other medical equipment, where high cleanliness and precise operation are crucial.
III. Transportation
Automotive Parts
Used in transmission systems or steering mechanisms, needing to withstand high-frequency vibrations and high temperatures.
Railway Transportation
Suitable for bearing units in rail vehicles, emphasizing reliability and long service life.
IV. Emerging Technology Fields
Robot Joints
Applicable in automated robotic arms, providing necessary support and movement accuracy.
New Energy Equipment
Such as auxiliary bearings in wind turbine gearboxes, designed to handle alternating loads and complex stress conditions.
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617/9 679 Minature Deep Groove Ball Bearings 9X14X 3mm Single Row Thin Section Robot Bearings Images
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