D/W R3-2RS1
D/W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
D/W R3-2RS1
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.0028 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"
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
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D/W R3-2RS1 Bearing Product Overview & Core Advantages
The D/W R3-2RS1 is a precision miniature ball bearing designed for demanding applications requiring high reliability and compact design. As a single row deep groove ball bearing with integral seals, it excels at handling radial loads while offering moderate axial load capacity. Manufactured entirely from stainless steel and pre-lubricated with grease, it provides excellent corrosion resistance and is ready for immediate use in a wide temperature range. Its inch dimensions make it ideal for replacement in North American machinery and precision instruments.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer prefix (Dodge/Wave) |
| R3 | Bearing size series and bore code |
| 2RS1 | Contact seals on both sides, providing superior contamination protection |
D/W R3-2RS1 Bearing Structural Features & Performance Benefits
- Full Stainless Steel Construction: Rings, balls, and cage are manufactured from stainless steel, offering exceptional corrosion resistance and suitability for washdown environments or applications exposed to moisture.
- Integrated Contact Seals (2RS1): The rubber contact seals effectively shield the bearing interior from contaminants like dust and moisture while retaining lubricant, contributing to a long service life and reduced maintenance.
- Pre-lubricated & Ready-to-Use: Factory-filled grease lubrication ensures immediate operation and maintenance-free performance within the specified temperature range (-30° to 120 °C).
- Precision P0 Tolerance: Manufactured to standard (P0) tolerance class, ensuring reliable performance and interchangeability for a wide range of general applications.
- Optimized for Radial Loads: The deep groove raceway geometry is primarily designed to support significant radial dynamic loads (167 lbf) efficiently.
D/W R3-2RS1 Bearing Typical Application Areas
- Precision instruments and gauges
- Small electric motors and gearboxes
- Medical and dental equipment
- Food processing machinery (due to stainless steel construction)
- Office automation equipment (printers, scanners)
- Textile machinery components
- Robotics and small automation assemblies
