617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings

Brand Name:CNBTZC or OEM
Certification:IATF16949:2016
Model Number:678 ZZ
Minimum Order Quantity:50000
Delivery Time:2-4 weeks
Payment Terms:L/C,T/T
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Address: No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
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617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings

The 678 ZZ miniature deep groove ball bearing, with dimensions of 8mm inner diameter × 12mm outer diameter × 3.5mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.


678 ZZ Ball Bearings 8X12X3.5mm Specifications & Dimensions

Universal678 ZZ
TypeDeep Groove Ball
Inner/Outer Ring/ Ball MaterialChrome Steel
Cage MaterialSteel/Nylon
CageTypePunching
PrecisionP0,P6
Inner Dimension d(Ø)(mm)8
Outer Dimension D(Ø)(mm)12
Width B (or T)(mm)3.5
LubricationGrease
Load DirectionRadial
Specifications/EnvironmentStandard
Number of Raceway Ring RowsSingle Track
Size StandardsMetric Series

The 678 ZZ miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:

1. Office Equipment and Electronics

Personal Computers (Desktop/Laptop), Printers, Copiers, ATMs: Used in spindles or transmission components of these devices.

Cameras, Projectors: Employed in the rotating structures of precision optical equipment.

2. Household Appliances

Air Conditioners, Vacuum Cleaners, Power Tools (e.g., drills, angle grinders): Utilized in motor or fan components.

Smart Home Devices (e.g., robotic vacuum cleaners): Applied in the drive units of some smart home appliances.

3. Automotive Industry

Electrical Control Systems (e.g., wiper motors, window regulators), Sensors: Used in miniature mechanical parts within automotive electrical control systems.

Onboard Electronic Devices (e.g., dashboards, navigation systems): Found in auxiliary transmission structures of vehicle electronics.

4. Industrial and Precision Instruments

Fishing Reels, Textile Machinery (e.g., sizing machines, water jet looms): Applied in miniature transmission systems of fishing reels and textile machinery.

Laboratory Instruments, Medical Devices (e.g., centrifuges, micropumps): Used in high-precision rotating components of laboratory instruments and medical devices.

5. Emerging Technology Fields

Gimbals, Drone Motors: Ideal for lightweight design requirements in applications like gimbal stabilizers and drone motors.

Robot Joints, Miniature Actuators in Automated Production Lines: Employed in robot joints and miniature actuators in automation.


Bearing Number
Boundary Dimensions(mm)Basic Load Rating(N)Limiting Speed(rpm)Reference(kg)
Weight
Inner DiameterOuter DiameterWidthChamferDynamicStaticGreaseOil
dDBB1r(min)CrCorNon-contactWt ≈
617/3ZZ3622.50.12429460000710000.00020
617/4ZZ4722.50.12228854000630000.00028
617/5ZZ5822.50.12179149000570000.00032
617/6ZZ6102.530.146519643000510000.00065
617/7ZZ7112.530.155526940000470000.00067
617/8ZZ8122.53.50.151525238000450000.00075
617/9ZZ91434.50.192046536000420000.00140
China 617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings supplier

617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings

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