R1-5zz
R Series Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
R1-5zz
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
1.15 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.09375"
Bore diameter tolerance
-0.0003" to 0"
Outside diameter
0.3125"
Outside diameter tolerance
-0.0003" to 0"
Width
0.1406"
Width tolerance
-0.005" to 0"
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
0.06252"
Ball quantity
6
Performance
Temperature range
-86 to 230 °F
Radial dynamic load rating
106 lbf
Radial static load rating
32 lbf
Limiting speed
60 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
Shield material
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.42
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
R1-5zz Bearing Product Overview & Core Advantages
The R1-5zz is a precision miniature ball bearing designed for demanding applications requiring compact size and reliable performance. As a single row radial ball bearing with shielded construction, it excels in handling radial loads efficiently while offering protection from contamination. Its inch-series dimensions and ABEC1 tolerance class make it an ideal component for high-speed, precision mechanisms where space is at a premium and consistent operation is critical.
R1-5zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| R1-5 | Bore size code (0.09375") and series designation | Defines the compact bearing dimensions for specific design integration |
| zz | Double-sided non-contact metal shields (Z-type) | Provides effective protection against dust and debris while maintaining high-speed capability |
R1-5zz Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row design with 6 precision chrome steel balls provides a radial dynamic load rating of 106 lbf, ensuring reliable performance under significant radial stresses.
- High-Speed Performance: Featuring a lightweight stainless steel cage and non-contact shields, this bearing achieves a limiting speed of 60,000 rpm, making it suitable for high-speed applications.
- Precision Engineering: Manufactured to ABEC1 tolerance standards with controlled radial internal clearance (MC3 group: 0.00008" to 0.0005") for consistent, smooth operation and minimal vibration.
- Durable Construction: All-steel construction using chrome steel rings and balls with 300 series stainless steel shields provides excellent wear resistance and corrosion protection.
R1-5zz Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment requiring miniature precision bearings
- Small Motors & Drives: DC motors, stepper motors, and spindle drives in compact electronic devices
- Office Automation: Printers, scanners, and copiers where reliable high-speed operation is essential
- Robotics & Automation: Small robotic joints, positioning systems, and miniature linear motion assemblies
- Aerospace & Defense: Guidance systems, instrumentation, and control mechanisms requiring inch-series miniature ball bearings
