617/3 673 Minature Deep Groove Ball Bearings 3mm X 6mm X 2 mm Thin Section Robot Bearings Open Rolling Bearings
The 673 miniature deep groove ball bearing, with dimensions of 3mm inner diameter × 6mm 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 |
673 Ball Bearings 3X6X2mm Specifications & Dimensions
| Universal |
673 |
| 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 |
| Load Direction |
Radial |
| Specifications/Environment |
Standard |
| Number of Raceway Ring Rows |
Single Track |
| Size Standards |
Metric Series |
The 673 miniature deep groove ball bearing, with dimensions of 3mm inner diameter × 6mm outer diameter × 2mm width, is widely used across various industrial sectors thanks to its compact size and high precision. Below are its primary application areas and typical equipment:
1. Light Industry and Precision Equipment:
Sewing Machinery: Used in the transmission systems of sewing machines to support high-speed rotating components, such as needle bar drives and spool mechanisms.
Medical Diagnostic Equipment: Applied in the precision rotating parts of diagnostic devices, like slip rings in CT scanners and focusing mechanisms in microscopes.
Office Automation Equipment: Supports motor shafts in small devices like printers and smart locks; for instance, the MR63ZZ model is used in smart locks.
2. Industrial Machinery:
Power Transmission Systems: Supports drive shafts in equipment like bevel gear reducers and counterflow cooling tower fans.
Processing Equipment: Found in motion components of precision machinery such as laser cutting machine guides, milling machine spindles, and electronic component forming machines.
Material Handling Equipment: Utilized in rollers or conveyor belt drive systems of powder handling equipment, non-woven fabric printing machines, and band saws.
3.Automotive and Transportation:
Automotive Miniature Motors: Core support elements in automotive components like radiator fans, windshield wiper motors, and electric window regulators.
New Energy Equipment: Used in miniaturized rotating mechanisms of emerging fields such as photovoltaic panel tracking systems and sensors in electric vehicles.
4. Special Application Scenarios:
Extreme Environment Equipment: Employed in devices like low-temperature freezers and high-temperature boiler fans, often requiring special lubricants or seal designs.
Smart Devices: Applied in precision motion scenarios needing high speed and low friction coefficients, such as robot joints and 3D printer nozzles.
This bearing type provides reliable performance and precision across a wide range of demanding applications, from intricate medical devices to robust industrial machinery and innovative smart technologies.
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673 617/3 Minature Deep Groove Ball Bearings 3*6 * 2 mm Single Row Radial Open Rolling Bearings Images
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