S603
600 Series Stainless Steel Miniature Bearings
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Part No.
Part No.
S603
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.84 g
Tolerance class
ABEC1
Seal type
Open
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
3 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
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 Bearing Product Overview & Core Advantages
The S603 is a metric single row deep groove ball bearing engineered for precision radial load applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance and reliable performance. Its compact design, with a 3mm bore and 9mm outside diameter, makes it ideal for space-constrained, high-precision mechanisms requiring ABEC1 tolerance and consistent operation.
S603 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| S6 | Series Designation | Indicates a specific dimension series for miniature and instrument bearings. |
| 03 | Bore Diameter Code | Specifies a 3 mm bore diameter. |
| Open (Implied) | Seal Type | No seals or shields, allowing for higher limiting speeds and custom lubrication. |
| MC3 Clearance | Internal Clearance | Defines a radial internal clearance group of 0.002mm to 0.013mm, suitable for precision applications. |
S603 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are manufactured from stainless steel, providing superior corrosion resistance and durability in harsh environments, with a temperature range of -30°C to 110°C.
- Precision Radial Load Capacity: The single row deep groove raceway is optimized to support significant radial dynamic load ratings (47 lbf) and radial static load ratings (31 lbf) for its compact size.
- High-Speed Capability: The open, stainless steel cage and precision grinding contribute to a high limiting speed of 50,400 rpm, making it a capable high-speed bearing.
- Precision Engineering: Manufactured to ABEC1 tolerance class with controlled internal clearance, ensuring smooth, low-vibration, and low-noise operation essential for sensitive instruments.
S603 Bearing Typical Application Areas
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment.
- Small Electric Motors: Spindle motors in small fans, drones, and miniature DC motors.
- Medical Devices: Surgical handpieces, dental tools, and small pump systems.
- Office Automation: High-speed scanners, printers, and copiers.
- Robotics and Automation: Joints and guides in small robotic arms and precision linear actuators.
