617/4 674 ZZ Minature Deep Groove Ball Bearings 4mm X 7mm X 2.5mm Thin Section Robot Bearings
Brand Name:CNBTZC or OEM
Certification:IATF16949:2016
Model Number:674 ZZ
Minimum Order Quantity:50000
Delivery Time:2-4 weeks
Payment Terms:L/C,T/T
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617/4 674 ZZ Minature Deep Groove Ball Bearings 4mm X 7mm X 2.5mm Thin Section Robot Bearings
The 674ZZ miniature deep groove ball bearing, with dimensions of 4mm inner diameter × 7mm outer diameter × 2.5mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.
674 ZZ Ball Bearings 4X7X2.5mm Specifications & Dimensions
| Universal | 674 ZZ |
| 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) | 4 |
| Outer Dimension D(Ø)(mm) | 7 |
| Width B (or T)(mm) | 2.5 |
| Lubrication | Grease |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |
The 674ZZ miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:
1. Consumer Electronics and Office Equipment:
Printers/Fax Machines: Acts as a precision transmission component, supporting high-speed and low-noise operation.
Micro Motors: Including motors in drones and hard drives, utilizing its high-speed rotation and low friction characteristics.
2. Precision Instruments and Industrial Equipment:
Testing Equipment: Such as centrifuges and optical instruments, relying on its high precision and stability.
Automation Equipment: Applied in robotic joints and precision transmission systems of 3D printers.
3. Automotive and Transportation:
Automotive Motors: Like fan motors and turbochargers, meeting requirements for heat resistance and long service life.
Reduction Gears: Achieving efficient power transmission in vehicle-mounted devices.
4. Medical Devices:
Dental Drills/Medical Instruments: Stainless steel versions are used in corrosion-resistant applications.
Laboratory Equipment: Critical rotating components in vacuum pumps and mixed bed equipment.
5. Models and Special Applications:
Model Aircraft/RC Toys: Ultra-thin design suitable for use in quadcopters, airplane models, etc.
Fishing Gear/Sports Equipment: Such as fishing reels, requiring corrosion resistance and lightweight design.
This bearing type offers versatile solutions across a broad range of demanding applications, ensuring reliability, precision, and efficiency in everything from consumer electronics to specialized medical and model equipment.
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 | |
617/4 674 ZZ Minature Deep Groove Ball Bearings 4mm X 7mm X 2.5mm Thin Section Robot Bearings
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