R133zz
R Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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R133zz Bearing Product Overview & Core Advantages
The R133zz is a precision miniature ball bearing designed for demanding applications requiring reliable performance in compact spaces. As a single row deep groove ball bearing with shielded construction, it excels at handling radial loads while offering protection from contamination. Its inch-series dimensions and ABEC1 precision class make it an ideal component for high-speed, low-noise operations where consistent performance is critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| R | Flanged outer ring design |
| 133 | Bore diameter code (0.09375") |
| zz | Double-sided metal shields for superior contamination protection |
R133zz Bearing Structural Features & Performance Benefits
Compact Design & High Precision: The single row construction with deep groove raceways enables smooth operation and efficient radial load distribution. Manufactured to ABEC1 tolerance standards, this bearing ensures minimal runout and vibration.
Enhanced Contamination Protection: The dual stainless steel shields (zz) provide effective sealing against dust and particulate matter while maintaining low friction operation, extending service life in challenging environments.
Optimized Speed Capability: Featuring a stainless steel cage and chrome steel components, the R133zz achieves a limiting speed of 80,000 rpm, making it suitable for high-speed applications.
Reliable Material Selection: Constructed from chrome steel rings and balls with stainless steel cage and shields, the bearing offers excellent durability and corrosion resistance within its specified temperature range of -86 to 230 °F.
R133zz Bearing Typical Application Areas
- Small precision motors and miniature DC motors
- Medical devices and laboratory equipment
- Optical encoders and precision instrumentation
- Computer peripherals including fans and small drives
- Robotics and automation components
- Aerospace instrumentation and control systems
