Specifications
Brand Name :
CNBTZC or OEM
Model Number :
678 ZZ
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
50000
Price :
Please contact us,thanks
Payment Terms :
L/C,T/T
Supply Ability :
500000pcs per month
Delivery Time :
2-4 weeks
Packaging Details :
plastic tub/middle box,carton,pallet
Model Numbers: :
678 ZZ,678-ZZ,678-2Z
Bearing Seals :
Double Shielded ZZ - Shields on Two Sides,2RS or Open available
Interchange :
FAG 678-2ZR, NTN W678 ZZA,B678 ZZ
Clearance :
Standard
Description

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

Universal 678 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) 8
Outer Dimension D(Ø)(mm) 12
Width B (or T)(mm) 3.5
Lubrication Grease
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric 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.

617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings


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

Ask Latest Price
Brand Name :
CNBTZC or OEM
Model Number :
678 ZZ
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
50000
Price :
Please contact us,thanks
Contact Supplier
617/8 678 ZZ Minature Deep Groove Ball Bearings 8mm X 12mm X 3.5mm Thin Section Robot Bearings

Beining Intelligent Technology (Zhejiang) Co., Ltd

Verified Supplier
1 Years
zhejiang
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Total Annual :
30000000-+
Employee Number :
200~+
Certification Level :
Verified Supplier
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