FRW144
FRW Series Extended Inner Ring Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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FRW144 Bearing Product Overview & Core Advantages
The FRW144 is a single row ball bearing designed for high-precision applications requiring reliable performance in compact spaces. Manufactured to ABEC1 precision standards, this inch-series bearing delivers consistent operation with a radial dynamic load rating of 54 lbf. Its extended inner ring facilitates secure mounting and alignment, while the chrome steel construction ensures durability and corrosion resistance. Ideal for applications demanding high rotational accuracy and compact bearing dimensions.
FRW144 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| FRW144 | Base model number indicating specific inch dimensions and design |
| Open | No seals or shields, allowing for custom lubrication schemes |
| Extended Inner Ring | Provides additional mounting surface and axial location capability |
FRW144 Bearing Structural Features & Performance Benefits
Precision Engineering: Built to ABEC1 tolerance class with tight dimensional control (bore diameter tolerance: -0.0003" to 0") for smooth, vibration-free operation.
High-Speed Capability: Features stainless steel cage and optimized 7-ball configuration enabling operation up to 67,000 rpm limiting speed.
Radial Load Performance: Designed specifically for radial load applications with optimized internal clearance (MC3: 0.00008" to 0.0005") for precise fit and thermal management.
Material Excellence: Chrome steel rings and balls provide high hardness and wear resistance, while stainless steel cage ensures corrosion resistance and cage integrity.
FRW144 Bearing Typical Application Areas
- Precision instruments and measuring devices requiring high rotational accuracy
- Small motors and miniature drive systems in industrial and medical equipment
- Office automation equipment including printers, scanners, and copiers
- Robotic joints and miniature automation components
- Laboratory equipment and scientific instruments demanding precise motion control
- Aerospace components where compact size and reliability are critical
