D/W R3 R-2RS1
D/W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
D/W R3 R-2RS1
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.0031 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
0.18748"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.5"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.19598"
Width tolerance
-0.005" to 0"
Outer Ring Dimensions
Flange outer diameter
0.565"
Flange thickness
0.04201"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
167 lbf
Radial static load rating
56 lbf
Limiting speed
32 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
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In Stock
Price available upon request.
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D/W R3 R-2RS1 Bearing Product Overview & Core Advantages
The D/W R3 R-2RS1 is a single row deep groove ball bearing designed for exceptional performance in compact, precision applications. Manufactured entirely from stainless steel, it offers superior corrosion resistance. Its key advantage lies in its sealed design (2RS1) with pre-lubricated grease, providing long-term, maintenance-free operation by effectively excluding contaminants and retaining lubrication. This bearing is engineered to handle primarily radial loads and is characterized by its high limiting speed and reliable operation across a wide temperature range, making it an ideal choice for applications demanding high reliability and durability.
D/W R3 R-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer's prefix (D/W). |
| R3 | The bearing size designation, indicating a specific bore diameter of 0.1875" (3/16"). |
| R-2RS1 | The suffix "R" may refer to a standard design. The critical part "2RS1" indicates the bearing is fitted with two rubber contact seals, one on each side, providing excellent protection against contamination. |
D/W R3 R-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealed Construction: The 2RS1 rubber contact seals are the cornerstone of this bearing's durability. They provide a high degree of protection against dust, moisture, and other contaminants, while effectively retaining the pre-applied grease lubrication. This results in a maintenance-free and long-service-life solution.
- High-Speed Capability: The optimized single row deep groove raceway design, combined with a stainless steel cage and effective sealing, allows for a high limiting speed of 32,000 rpm, making it suitable for demanding high-speed applications.
- Corrosion Resistance & Cleanliness: Constructed entirely from stainless steel (rings, balls, and cage), this bearing is inherently resistant to rust and corrosion. This is critical for use in harsh environments, washdown applications, and industries with strict hygiene standards.
- Precision & Load Handling: Built to P0 tolerance class with a standard CN radial internal clearance, it ensures consistent performance and reliable handling of radial dynamic and static loads.
D/W R3 R-2RS1 Bearing Typical Application Areas
This versatile miniature bearing is ideally suited for a wide range of compact and precision equipment, including:
- Small electric motors and gearmotors
- Precision instruments and medical devices
- Food processing and packaging machinery (benefiting from its stainless steel construction)
- Office automation equipment (e.g., printers, scanners)
- Robotics and small automation drives
