D/W R0-2Z
D/W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
D/W R0-2Z
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.000103 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.046875"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.15618"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.0937"
Width tolerance
-0.005" to 0"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
14 lbf
Radial static load rating
4 lbf
Limiting speed
110 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 R0-2Z Bearing Product Overview & Core Advantages
The R0-2Z is a precision miniature ball bearing designed for applications demanding high reliability in compact spaces. As a single row deep groove ball bearing with shielded construction, it excels at handling radial loads efficiently. Manufactured entirely from stainless steel and pre-lubricated with grease, it offers excellent corrosion resistance and is ready for immediate use, making it ideal for high-precision, low-maintenance applications.
D/W R0-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| R0 | Standard inch series bearing with specific bore and outside diameter. | Ensures compatibility with inch-based designs. |
| 2Z | Non-contact shields on both sides. | Provides effective contamination protection while maintaining high limiting speed. |
D/W R0-2Z Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a bore diameter of just 0.046875" and a weight of only 0.000103 kg, this bearing is engineered for space-constrained and weight-sensitive applications.
- Robust Load Capacity: The single row deep groove construction is optimized to handle the specified radial dynamic load rating of 14 lbf and radial static load rating of 4 lbf.
- High-Speed Capability: The combination of stainless steel cage, precision grinding, and non-contact shields enables a high limiting speed of 110,000 rpm.
- Maintenance-Free Operation: The integral 2Z shields and factory-applied grease lubrication seal in the lubricant and exclude contaminants, ensuring long service life without re-lubrication.
- Corrosion Resistance & Compliance: All components are made from stainless steel, providing excellent resistance to rust and corrosion. The bearing is ROHS and REACH compliant, meeting stringent environmental standards.
D/W R0-2Z Bearing Typical Application Areas
This bearing is ideally suited for:
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment.
- Small Motors: Stepper motors, coreless motors, and miniature DC motors.
- Office Automation: Printers, scanners, and copiers.
- Robotics: Small joints, actuators, and drone components.
- Any application requiring a reliable, miniature, and corrosion-resistant bearing solution.
