China factories

Chat Now Send Email
China factory - Beining Intelligent Technology (Zhejiang) Co., Ltd

Beining Intelligent Technology (Zhejiang) Co., Ltd

  • China ,Zhejiang
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China 8mm Bore High Speed Deep Groove Ball Bearings 678 617/8 ZZ Minature 8 X12X3.5mm
China 8mm Bore High Speed Deep Groove Ball Bearings 678 617/8 ZZ Minature 8 X12X3.5mm

  1. China 8mm Bore High Speed Deep Groove Ball Bearings 678 617/8 ZZ Minature 8 X12X3.5mm

8mm Bore High Speed Deep Groove Ball Bearings 678 617/8 ZZ Minature 8 X12X3.5mm

  1. MOQ: 50000
  2. Price: Please contact us,thanks
  3. Get Latest Price
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
Brand Name CNBTZC or OEM
Model Number 678 ZZ
Certification IATF16949:2016
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

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
Brand Name CNBTZC or OEM Model Number 678 ZZ
Certification IATF16949:2016 Place of Origin China
High Light high speed deep groove ball bearingsdeep groove ball bearings 678

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 7mm inner diameter × 11mm outer diameter × 3mm 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

 

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. Aerospace Engine Auxiliary Systems

In auxiliary systems such as fuel pumps and cooling fans, which require small rotating components, the compact size and high-speed performance of the 678 ZZ bearing are crucial.

2. Spacecraft Precision Mechanisms

For mechanisms like camera gimbals and solar panel steering systems, this bearing provides the necessary micro-scale support for high-sensitivity operations.

3. Drone Motors

The 678 ZZ bearing supports lightweight, low-noise operation in small drones, contributing to their efficient and quiet performance.

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Seller

  • Year Established:

    2013

  • Total Annual:

    30000000-+

  • Employee Number:

    200~+

  • Ecer Certification:

    Verified Supplier

Beining Intelligent Technology Precision Bearings for High-Performance Industries At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in: CNC Machine Tool Spindles Robotics Motors With a focus on quality, automation, and... Beining Intelligent Technology Precision Bearings for High-Performance Industries At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in: CNC Machine Tool Spindles Robotics Motors With a focus on quality, automation, and...

+ Read More

Get in touch with us

  • Reach Us
  • Beining Intelligent Technology (Zhejiang) Co., Ltd
  • No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
  • https://www.precisionball-bearing.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement