F603
F Series 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
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
F603 Bearing Product Overview & Core Advantages
The F603 is a metric single row deep groove ball bearing engineered for precision applications requiring compact dimensions and reliable performance. Designed primarily for radial load applications, this bearing features an open construction that facilitates custom lubrication solutions. With its ABEC1 tolerance class and standardized internal clearance (MC3), it delivers consistent operation in high-speed environments up to 56,000 rpm. Its miniature size (3mm bore × 9mm OD × 3mm width) and lightweight design (0.96g) make it ideal for space-constrained assemblies where precision and reliability are critical.
F603 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| F603 | Basic bearing designation | Indicates miniature deep groove ball bearing with 3mm bore diameter |
| Open | No seals or shields | Allows for custom lubrication and high-speed operation |
| MC3 | Radial internal clearance group | Provides optimal clearance (0.002-0.013mm) for precision applications |
F603 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway design enables efficient radial load distribution and accommodates moderate axial loads in both directions, making it versatile for various mounting configurations.
Precision Components: Constructed with chrome steel rings and balls combined with a stainless steel cage, this bearing ensures dimensional stability and corrosion resistance. The six precisely sized balls (1.588mm diameter) maintain smooth operation under dynamic load ratings of 52 lbf.
High-Speed Capability: The open design and stainless steel cage contribute to exceptional limiting speed performance of 56,000 rpm, while the MC3 clearance provides optimal thermal expansion management during high-speed operation.
Flange Design: The integrated flange (10.5mm diameter) facilitates secure mounting and precise axial positioning, enhancing installation accuracy and system stability.
F603 Bearing Typical Application Areas
- Small precision motors and miniature DC motors
- Medical devices including dental handpieces and surgical tools
- Office automation equipment such as printers and scanners
- Instrumentation and measurement devices requiring high rotational accuracy
- Robotics and automation components where compact bearing dimensions are critical
- Consumer electronics including small fans and optical drives
