682x
600 Series Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
682x
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.2 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
2.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
6 mm
Outside diameter tolerance
-0.008mm to 0
Width
1.8 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.8 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
40 lbf
Radial static load rating
13 lbf
Limiting speed
71 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
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.72
/ each
In Stock
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682x Bearing Product Overview & Core Advantages
The 682x series represents a high-precision miniature ball bearing designed for applications demanding compact dimensions and reliable performance. As a single row deep groove ball bearing, it excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Manufactured to ABEC1 precision class, this bearing is engineered for smooth operation and long service life in compact assemblies, making it an ideal choice for high-speed miniature devices and precision instruments.
682x Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 68 | Series designation for extra-small, thin-section deep groove ball bearings |
| 2 | Bore diameter code (2.5 mm) |
| x | Variant placeholder (specific seal/closure type not specified in base model) |
| Open | No seals or shields, allowing for highest possible limiting speed but requiring external lubrication |
682x Bearing Structural Features & Performance Benefits
- Compact Design & Lightweight: With ultra-small bearing dimensions (2.5mm bore, 6mm OD, 1.8mm width) and a weight of just 0.2g, this bearing is perfect for space-constrained and weight-sensitive applications.
- High-Speed Capability: The combination of an open design, stainless steel cage, and precision grinding enables a high limiting speed of 71,000 rpm, making it suitable for demanding miniature motors and spindles.
- Precision Performance: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3: 0.002mm to 0.013mm), ensuring consistent running accuracy and low vibration.
- Robust Material Construction: Features chrome steel rings and balls for high load capacity and durability, coupled with a corrosion-resistant stainless steel cage for reliable operation.
- Radial Load Capacity: Engineered to handle significant radial dynamic load ratings (40 lbf) relative to its miniature size, providing reliable support in compact mechanisms.
682x Bearing Typical Application Areas
- Precision Instruments: Optical encoders, laboratory equipment, measuring devices
- Miniature Motors: Small DC motors, stepper motors, and drone propulsion systems
- Office Automation: Printers, scanners, and copier mechanisms
- Medical Devices: Dental handpieces, surgical tools, and diagnostic equipment
- Consumer Electronics: Small cooling fans, miniature drones, and precision robotics
