S6903 2rs
S6900 Series Stainless Steel Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S6903 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
20 g
Tolerance class
ABEC-1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
30 mm
Outside diameter tolerance
-0.009mm to 0
Width
7 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
929 lbf
Radial static load rating
518 lbf
Limiting speed
19.8 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.003mm to 0.018mm
Radial internal clearance
C0
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:
$ 2.25
/ each
In Stock
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S6903 2rs Bearing Product Overview & Core Advantages
The S6903 2RS is a single row deep groove ball bearing designed for high-performance applications requiring reliable operation under radial loads. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its compact design, with a 7 mm width, makes it ideal for space-constrained assemblies. The bearing is sealed (2RS) and pre-lubricated, providing protection against contaminants and ensuring long service life with minimal maintenance, making it a robust choice for applications demanding precision and durability.
S6903 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| S | Stainless Steel Rings and Balls | Provides superior corrosion resistance. |
| 6903 | Standard deep groove ball bearing series with 17mm bore, 30mm OD. | Defines the bearing dimensions and basic type. |
| 2RS | Contact rubber seals on both sides. | Offers effective protection against dust and moisture, retaining lubricant. |
S6903 2rs Bearing Structural Features & Performance Benefits
- Robust Construction: The single-row design with a stainless steel cage ensures smooth operation and high mechanical strength.
- Radial Load Capacity: Engineered to handle significant radial dynamic load ratings of 929 lbf, providing reliable performance in demanding conditions.
- Precision & Speed: Manufactured to ABEC-1 tolerance class with a C0 radial internal clearance, ensuring consistent performance. The design supports a limiting speed of 19,800 rpm.
- Sealed & Lubricated for Life: The double-sided 2RS seals effectively shield the internals from contaminants. Pre-lubrication and sealing make the bearing essentially maintenance-free for its entire service life.
- Wide Temperature Range: Operates reliably in temperatures from -86°F to 230°F, suitable for various environmental conditions.
S6903 2rs Bearing Typical Application Areas
This bearing is ideally suited for applications requiring corrosion resistance, compact size, and reliable sealed operation. Common uses include:
- Food Processing and Packaging Machinery
- Medical and Dental Equipment
- Chemical Handling Pumps and Mixers
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
