D/W R1 R
D/W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
D/W R1 R
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.0002 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.05556"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.18748"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.07811"
Width tolerance
-0.005" to 0"
Outer Ring Dimensions
Flange outer diameter
0.23402"
Flange thickness
0.023"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
30 lbf
Radial static load rating
8 lbf
Limiting speed
130 X 1000 rpm
Lubrication
None
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 R1 R Bearing Product Overview & Core Advantages
The D/W R1 R is a single row deep groove ball bearing designed for precision applications requiring high reliability in compact spaces. Manufactured entirely from stainless steel, this bearing offers excellent corrosion resistance. Its primary function is to support radial loads efficiently. With a P0 tolerance class and a standard CN radial internal clearance, it provides consistent performance for general-purpose applications. The open design allows for versatile lubrication options, making it suitable for a wide operating temperature range from -30°C to 120°C.
D/W R1 R Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer/Series Identifier |
| R1 | Bearing size designation (Inch series) |
| R | Flange designator, indicating an outer ring flange for simplified mounting and positioning. |
D/W R1 R Bearing Structural Features & Performance Benefits
- Compact & Robust Flange Design: The integrated flange (OD: 0.23402") facilitates easy installation and axial positioning, enhancing mounting rigidity and saving space.
- Corrosion Resistance: Constructed entirely from stainless steel (rings, balls, and cage), this bearing is ideal for applications exposed to moisture or corrosive environments.
- High-Speed Capability: The single row deep groove geometry and stainless steel cage contribute to a high limiting speed of 130,000 rpm.
- Precision Performance: Manufactured to P0 tolerance class with a CN clearance, ensuring reliable and consistent operation for a wide range of general precision applications.
- Versatile Lubrication: The open seal type allows the bearing to be customized with the most suitable grease or oil for specific application requirements.
D/W R1 R Bearing Typical Application Areas
This miniature flanged ball bearing is commonly specified in:
- Precision Instruments and Optical Devices
- Small Motors and Encoders
- Medical Equipment and Dental Handpieces
- Office Automation Equipment (e.g., Printers, Scanners)
- Radio Control Models and Drones
- Low-Torque, High-Speed Spindles
