617/3 673 Minature Deep Groove Ball Bearings 3mm X 6mm X 2 mm Thin Section Robot Bearings
617/3 673 Minature Deep Groove Ball Bearings 3mm X 6mm X 2 mm Thin Section Robot 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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.