RW0
RW Series Extended Inner Ring Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
RW0
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.15 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.046875"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.15625"
Outside diameter tolerance
-0.0003" to 0"
Width
0.0625"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Extended
Inner ring width
0.0937"
Shoulder diameter inner ring
0.081"
Ball & Washer Dimensions
Ball diameter
0.0236"
Ball quantity
7
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
21 lbf
Radial static load rating
6 lbf
Limiting speed
110 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.00008" to 0.0005"
Radial internal clearance
MC3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 18.13
/ each
In Stock
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RW0 Bearing Product Overview & Core Advantages
The RW0 is a high-precision, single row ball bearing designed for demanding applications requiring exceptional dimensional stability and reliable performance. Manufactured to ABEC1 tolerance class, this bearing delivers consistent operation in compact spaces. Its extended inner ring facilitates easier mounting and secure positioning. Constructed entirely from chrome steel for the rings and balls with a stainless steel cage, it offers excellent durability and corrosion resistance, making it ideal for applications where precision and longevity are critical.
RW0 Bearing Model Code Explained, Specifications & Naming Convention
| Code | Interpretation | Technical Significance |
|---|---|---|
| R | Series Designator | Indicates a specific series of miniature and instrument bearings. |
| W | Flanged Outer Ring (Not present in this model) | N/A for this open, non-flanged design. |
| 0 | Bore Size Code | Corresponds to the specific bore diameter of 0.046875". |
| (No Suffix) | Open Seal Type | The bearing is supplied without seals or shields, allowing for high-speed operation and custom lubrication schemes. |
RW0 Bearing Structural Features & Performance Benefits
- High-Precision Construction: Built to ABEC1 standards, this bearing ensures minimal runout and vibration, which is crucial for sensitive instrumentation and precision mechanisms.
- Optimized Internal Geometry: Featuring 7 high-grade chrome steel balls, the design provides a balanced radial dynamic load rating of 21 lbf for its compact size, ensuring reliable performance under load.
- Extended Inner Ring: The extended inner ring simplifies axial location and provides a larger contact surface for secure mounting, enhancing overall assembly rigidity.
- High-Speed Capability: The stainless steel cage and open design contribute to a high limiting speed of 110,000 rpm, making it suitable for high-speed spindles and miniature motors.
- Wide Temperature Range: With an operating temperature range from -86 to 230 °F, this bearing is versatile for use in various environmental conditions.
RW0 Bearing Typical Application Areas
This bearing is engineered for applications where miniaturization, precision, and speed are paramount. Key industries and equipment include:
- Precision Instruments: Optical encoders, gyroscopes, and medical devices.
- High-Speed Small Motors: Spindle motors for disk drives, drones, and dental handpieces.
- Office Automation Equipment: Scanners, printers, and copiers.
- Robotics and Automation: Miniature joints, guides, and actuators.
