D/W R8 R
D/W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
D/W R8 R
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.019 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.5"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
1.125"
Outside diameter tolerance
-0.00078" to -0.00031"
Width
0.25"
Width tolerance
-0.005" to 0"
Outer Ring Dimensions
Flange outer diameter
1.2252"
Flange thickness
0.06201"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
994 lbf
Radial static load rating
531 lbf
Limiting speed
36 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 R8 R Bearing Product Overview & Core Advantages
The D/W R8 R is a single row deep groove ball bearing engineered for precision radial load applications. Manufactured entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance and is suitable for a wide operating temperature range from -30°C to 120°C. Its open design and P0 tolerance class make it an ideal choice for applications requiring high rotational accuracy and reliability in various industrial environments. Compliant with ROHS and REACH, it meets stringent environmental standards.
D/W R8 R Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer/Series Designation |
| R8 | Bore Size Code (0.5") |
| R | Flange Designation |
D/W R8 R Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components, including the integral cage, are made from stainless steel, providing superior corrosion resistance and durability in harsh environments.
- High Precision & Rigidity: The single row deep groove design, combined with a P0 tolerance class and tight bore/OD tolerances, ensures smooth operation, high running accuracy, and reliable performance under radial loads.
- Flange for Easy Mounting: The integrated flange (OD: 1.2252") simplifies bearing mounting and positioning, reducing installation time and cost.
- Optimized for High Speeds: With a limiting speed of 36,000 rpm, this bearing is suitable for high-speed applications. The open design allows for various lubrication options to further enhance performance.
D/W R8 R Bearing Typical Application Areas
This flanged ball bearing is widely used in:
- Precision Instruments and Optical Devices
- Small Electric Motors and Spindles
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Office Automation Equipment
