S603 2rs
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S603 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.84 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
9 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
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
47 lbf
Radial static load rating
31 lbf
Limiting speed
50.4 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
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:
$ 1.35
/ each
In Stock
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S603 2rs Bearing Product Overview & Core Advantages
The S603 2RS is a metric miniature ball bearing designed for applications demanding compact size and reliable performance. As a single row deep groove ball bearing, it is primarily engineered to support radial loads efficiently. Its sealed construction (2RS) with nitrile rubber contact seals on both sides provides robust protection against contaminants, making it suitable for environments where cleanliness and long-term reliability are critical. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, aligning with its ABEC1 precision class for consistent operation in precision instruments and small machinery.
S603 2rs Bearing Model Code Explained, Specifications & Naming Convention
The model designation S603 2RS can be broken down as follows:
- S603: Denotes the bearing series and size. 'S' typically indicates a stainless steel construction. The '603' refers to a metric series with a 3mm bore, 9mm outside diameter, and 5mm width.
- 2RS: This suffix specifies the sealing type. '2' indicates two seals, one on each side. 'RS' denotes contact seals made of Nitrile Rubber (Buna-N), which provide effective protection against dust, moisture, and other contaminants.
S603 2rs Bearing Structural Features & Performance Benefits
- Robust Sealed Design: The double-sided nitrile rubber contact seals (2RS) effectively retain lubricant and exclude contaminants, enhancing bearing life and enabling use in demanding environments. This contributes to its low maintenance characteristics.
- Stainless Steel Construction: All critical components—rings, balls, and cage—are made from stainless steel. This provides superior corrosion resistance, making the bearing ideal for applications exposed to moisture, chemicals, or requiring washdown.
- Precision Performance: Built to ABEC1 tolerance class, this bearing ensures smooth and quiet operation, which is essential for high-speed applications up to its limiting speed of 50,400 rpm.
- Optimized Internal Geometry: With a radial internal clearance of MC3 (0.002mm to 0.013mm), the bearing is well-suited for applications requiring precise fit and minimal runout under operational temperatures ranging from -30°C to 110°C.
S603 2rs Bearing Typical Application Areas
The S603 2RS is ideally suited for a wide range of small-scale, precision applications, including:
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment.
- Small Electric Motors: Used in drones, RC models, and small fans.
- Office Automation Equipment: Printers, scanners, and copiers.
- Medical Devices: Small pumps, dental handpieces, and diagnostic equipment where corrosion resistance and reliability are paramount.
- Food Processing & Packaging Machinery: Components requiring frequent washdown and corrosion resistance.
