RW1-5zz
RW Series Extended Inner Ring Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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RW1-5zz Bearing Product Overview & Core Advantages
The RW1-5ZZ is a miniature single row deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Engineered with inch system measurements, this shielded bearing provides effective protection against contamination while maintaining low friction operation. Its extended inner ring facilitates easier mounting and secure positioning in assemblies. With a radial dynamic load rating of 106 lbf and capability to handle limiting speeds up to 60,000 rpm, this bearing delivers exceptional performance in space-constrained applications demanding high rotational accuracy and durability.
Model Code Detailed Explanation
| Code Segment | Technical Meaning | Performance Benefit |
| RW1-5 | Bore diameter: 0.09375" (1/16") | Ultra-miniature size for compact designs |
| ZZ | Double shielded both sides | Enhanced contamination protection, extended service life |
RW1-5zz Bearing Structural Features & Performance Benefits
Deep Groove Design: The optimized raceway geometry enables smooth operation under radial loads while accommodating moderate axial loads in both directions, making it versatile for various loading conditions.
Shielded Protection: Featuring 300 Series stainless steel shields on both sides, the bearing provides effective exclusion of contaminants while maintaining low torque characteristics, crucial for high-speed applications up to 60,000 rpm.
Precision Construction: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.00008" to 0.0005"), ensuring consistent performance and reliable operation in precision mechanisms.
Material Excellence: Chrome steel rings and balls combined with stainless steel cage provide excellent wear resistance and corrosion protection, while the extended inner ring design offers improved mounting stability and alignment.
RW1-5zz Bearing Typical Application Areas
- Small precision motors and miniature DC motors
- Medical devices and dental handpieces
- Optical instruments and laboratory equipment
- Robotics and miniature automation systems
- Computer peripherals including small fans and drives
- Aerospace instrumentation and guidance systems
- Electronic assemblies requiring precise rotational components
