FR1-5
FR Series Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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FR1-5 Bearing Product Overview & Core Advantages
The FR1-5 is a precision miniature ball bearing designed for applications demanding compact size and reliable performance. As an open single row radial ball bearing, it efficiently handles radial loads while offering smooth operation. Manufactured to ABEC1 tolerance class, it provides consistent quality for general precision applications. Its compact dimensions (0.09375" bore) and lightweight construction (0.67 g) make it ideal for space-constrained assemblies requiring dependable rotational performance.
FR1-5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| FR1-5 | Standard model designation for this specific miniature bearing series |
| Open | No seals or shields, allowing for custom lubrication schemes |
| MC3 | Radial internal clearance group (0.00008" to 0.0005") |
FR1-5 Bearing Structural Features & Performance Benefits
Premium Material Construction: Features chrome steel rings and balls with a stainless steel cage, providing excellent durability and corrosion resistance in demanding environments.
Optimized Load Capacity: With a radial dynamic load rating of 106 lbf and static load rating of 32 lbf, this bearing delivers reliable performance under substantial radial stresses.
High-Speed Capability: The limiting speed of 60,000 rpm makes it suitable for high-rotation applications, supported by precision-ground components and balanced cage design.
Precision Internal Clearance: The MC3 radial clearance (0.00008" to 0.0005") ensures optimal performance with minimal vibration and heat generation during operation.
Wide Temperature Range: Operates effectively from -86 to 230 °F, making it versatile for various environmental conditions.
FR1-5 Bearing Typical Application Areas
- Small precision motors and miniature DC motors
- Medical devices and dental handpieces
- Optical instruments and laboratory equipment
- Office automation equipment including printers and scanners
- Robotic joints and miniature automation systems
- Aerospace instrumentation and guidance systems
- Electronic components requiring precise rotational movement
