F6903ZZ
F Series Flanged 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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F6903ZZ Bearing Product Overview & Core Advantages
The F6903ZZ is a metric flanged ball bearing engineered for applications demanding compact design and reliable performance. As a single row, shielded bearing, it is primarily designed to handle radial loads efficiently. Its integral flange provides secure axial location, simplifying housing design and preventing creeping. Manufactured to ABEC-1 precision class, this bearing offers a robust solution for moderate-speed operations, ensuring high reliability and long service life in various industrial settings.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| F | Flanged outer ring design |
| 6903 | Standard bearing series designation (17mm bore, 30mm OD) |
| ZZ | Double-sided stainless steel shields providing effective contaminant protection |
F6903ZZ Bearing Structural Features & Performance Benefits
Robust Construction: The bearing features rings and balls made from chrome steel for high load capacity and durability, while the stainless steel cage ensures stable operation.
Effective Sealing: The double-sided 300 series stainless steel shields (ZZ) effectively retain lubrication and exclude contaminants, enhancing bearing life in challenging environments.
Precision Performance: Manufactured to ABEC-1 tolerance standards with a C0 radial internal clearance (0.002mm to 0.013mm), ensuring consistent and smooth operation.
Compact & Lightweight: With a width of just 7 mm and a weight of only 18.2 g, it is ideal for space-constrained applications without compromising on performance.
High-Speed Capability: The optimized design, featuring 11 precision balls of 3.969 mm diameter, supports a limiting speed of 22,000 rpm.
F6903ZZ Bearing Typical Application Areas
- Small Electric Motors and Blowers
- Office Automation Equipment (Printers, Scanners, Copiers)
- Precision Instruments and Medical Devices
- Computer Peripheral Drives (Fans, HDD Spindles)
- Textile Machinery auxiliary units
