SF609 2rs
SF Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
SF609 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
17.4 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
9 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
24 mm
Outside diameter tolerance
-0.008mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
27 mm
Flange thickness
1.5 mm
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
578 lbf
Radial static load rating
234 lbf
Limiting speed
28.8 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
Materials
Ring material
Stainless Steel
Ball material
Stainless 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:
$ 1.59
/ each
In Stock
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SF609 2rs Bearing Product Overview & Core Advantages
The SF609 2RS is a metric single row deep groove ball bearing designed for reliable performance in demanding applications. Featuring stainless steel construction throughout its rings, balls, and cage, it offers excellent corrosion resistance. Its key advantage lies in its integrated rubber seals (2RS) on both sides, which effectively retain lubricant and exclude contaminants, making it suitable for applications requiring long-term lubrication and protection in various environments. This bearing is engineered to handle primarily radial loads and is characterized by its compact flanged design, which simplifies mounting and positioning.
Model Code In-Depth Analysis
| Code Segment | Technical Meaning |
|---|---|
| SF609 | Basic bearing designation, indicating a metric, flanged, single row deep groove ball bearing with a 9 mm bore diameter. |
| 2RS | Signifies contact-type Nitrile Rubber (NBR) Seals on both sides of the bearing. This provides superior protection against contamination and effective grease retention compared to non-contact shields. |
SF609 2rs Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & High-Quality Components: The deep groove geometry, combined with 7 precision stainless steel balls, enables efficient handling of radial dynamic loads up to 578 lbf and is suitable for moderate speeds.
- Robust Sealing Solution: The 2RS contact seals are critical for applications where moisture, dust, or other contaminants are present, significantly extending bearing service life by protecting the internal lubrication.
- Flanged Outer Ring: The integral flange (27 mm outer diameter) facilitates easy and precise axial location within a housing, simplifying assembly and reducing the need for complex housing shoulders.
- Stainless Steel Construction: Manufactured entirely from stainless steel, this bearing is ideal for applications requiring corrosion resistance, such as in food processing, medical equipment, or other corrosive environments.
- Standard Internal Clearance: The MC3 (C3) radial internal clearance provides a slightly larger than normal fit, making it suitable for applications where thermal expansion is a concern.
SF609 2rs Bearing Typical Application Areas
- Electric Motors and Small Gearboxes
- Medical and Dental Equipment
- Food and Beverage Processing Machinery
- Office Automation Equipment (Printers, Scanners)
- Conveyor System Idler Rolls
- Precision Instruments and Low-Torque Mechanisms
