F685 2rs
F Series Flanged Miniature Bearings
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Part No.
Part No.
F685 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
2.15 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
11 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
12.5 mm
Flange thickness
1 mm
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
137 lbf
Radial static load rating
51 lbf
Limiting speed
45 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Shield material
Nitrile Rubber
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.32
/ each
In Stock
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F685 2rs Bearing Product Overview & Core Advantages
The F685 2rs is a metric single row deep groove ball bearing engineered for reliable performance in compact spaces. Its primary design focus is providing robust radial load support while offering a sealed construction for enhanced operational longevity. This bearing is characterized by its small bore diameter of 5 mm and an overall compact cross-section, making it an ideal choice for applications demanding high precision and reliability in miniature assemblies. The integrated sealing and standard ABEC1 tolerance class ensure consistent performance and ease of integration.
F685 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| F685 | The base bearing designation, indicating a specific series with a 5mm bore and 11mm outside diameter. |
| 2RS | Signifies that the bearing is fitted with contact seals on both sides. The "RS" denotes a Nitrile Rubber seal, providing effective protection against contaminants and retention of lubricant. |
F685 2rs Bearing Structural Features & Performance Benefits
- Robust Sealed Construction: The double-sided 2RS contact seals effectively shield the internal components from dust, moisture, and other contaminants, significantly extending bearing service life and reducing maintenance needs.
- High-Quality Material Composition: Manufactured from Chrome Steel for the rings and balls, and a Stainless Steel cage, this combination ensures high durability, corrosion resistance, and stable operation.
- Optimized Internal Geometry: The deep groove raceway and eight precision balls enable efficient handling of radial dynamic loads up to 137 lbf, providing reliable support in high-speed applications.
- Precision and Consistency: Built to ABEC1 tolerance class with a controlled radial internal clearance (MC3 group), this bearing offers predictable performance and smooth rotation, which is critical for precision mechanisms.
F685 2rs Bearing Typical Application Areas
This miniature sealed ball bearing is ideally suited for a wide range of small-scale, high-speed machinery and precision instruments, including:
- Small electric motors and gearboxes
- Precision spindles in dental handpieces and laboratory equipment
- Fans, blowers, and miniature pumps
- Office automation equipment such as printers and scanners
- Radio-control models and drones
- Various instrumentation and medical devices requiring compact, reliable rotary support.
