686zz
600 Series Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
686zz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
2.68 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
2 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
207 lbf
Radial static load rating
80 lbf
Limiting speed
40 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Shield material
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.13
/ each
In Stock
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686zz Bearing Product Overview & Core Advantages
The 686zz is a metric single row deep groove ball bearing designed for reliable performance in compact applications. This shielded bearing offers excellent capability for handling radial loads and moderate axial loads in one direction. Its construction ensures smooth operation, making it suitable for applications demanding high precision and consistent reliability. The combination of chrome steel components and stainless steel cage provides durability and corrosion resistance.
686zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| zz | Non-contact metal shields on both sides | Effective protection against contamination while maintaining high-speed capability and low friction. |
686zz Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & High Load Capacity: The deep groove geometry enables the bearing to support significant radial loads and moderate axial loads, providing versatile load-handling capabilities.
- Optimized for High-Speed Operation: The stainless steel cage ensures stability and reduced friction at high rotational speeds, contributing to the bearing's limiting speed of 40,000 rpm.
- Shielded Protection: The non-contact metal shields (zz) help retain lubricant and exclude larger contaminants, enhancing bearing life and reliability in various environments.
- Precision & Consistency: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3 group), ensuring predictable performance and smooth operation.
686zz Bearing Typical Application Areas
- Small electric motors and precision instruments
- Office machinery and computer cooling fans
- Medical devices and dental handpieces
- Robotics and small gearboxes
- Radio-controlled models and drones
