W 61903-2RS1
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61903-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.017 kg
Tolerance class
P0
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
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
892 lbf
Radial static load rating
573 lbf
Limiting speed
14 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
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:
$ 9.44
/ each
In Stock
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W 61903-2RS1 Bearing Product Overview & Core Advantages
The W 61903-2RS1 is a single row deep groove ball bearing designed for high-performance applications requiring reliability and precision. Engineered with stainless steel construction throughout (rings, balls, and cage), it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) and pre-lubrication, providing protection against contaminants and ensuring long-term, maintenance-free operation. This bearing is optimized to handle primarily radial loads efficiently, making it a compact and robust solution for various industrial and precision equipment.
W 61903-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel bearing. |
| 61903 | The bearing series and size designation (17 mm bore, 30 mm OD, 7 mm width). |
| 2RS1 | Indicates the bearing is fitted with contact seals on both sides, providing effective protection against dust and moisture. |
W 61903-2RS1 Bearing Structural Features & Performance Benefits
- Robust Construction: The single-row deep groove raceway and stainless steel cage provide stable operation and high resistance to corrosion, suitable for demanding environments.
- High Load Capacity: With a dynamic load rating of 892 lbf and a static load rating of 573 lbf, this bearing reliably handles significant radial loads.
- Optimized Sealing & Lubrication: The 2RS1 seals retain grease and exclude contaminants, while the pre-applied grease lubrication supports smooth operation up to the limiting speed of 14,000 rpm.
- Precision & Longevity: Manufactured to P0 tolerance class with CN radial internal clearance, it ensures consistent performance and extended service life with minimal maintenance.
W 61903-2RS1 Bearing Typical Application Areas
- Medical and Dental Equipment
- Food Processing Machinery
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
- Office Automation Equipment
