6900zz
6900 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6900zz Bearing Product Overview & Core Advantages
The 6900zz is a metric single row deep groove ball bearing designed for high-performance radial load applications. Featuring shielded construction (ZZ) on both sides, this bearing offers reliable protection against contamination while maintaining smooth operation. Engineered with ABEC-1 precision tolerance and manufactured from chrome steel components, it delivers consistent performance in demanding environments. The compact design with 6mm width makes it ideal for space-constrained applications requiring reliable rotational accuracy and long service life.
Model Code Detailed Breakdown
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 6900 | Standard deep groove ball bearing series with 10mm bore, 22mm OD | Proven design for optimal load distribution |
| ZZ | Double shielded (both sides) | Enhanced contamination protection, extended service life |
6900zz Bearing Structural Features & Performance Benefits
Deep Groove Raceway Design: Optimized geometry enables excellent radial load capacity (608 lbf dynamic rating) while accommodating moderate axial loads in both directions.
Double Shielded Protection: The ZZ shields effectively retain lubrication and exclude contaminants, making this bearing suitable for applications where frequent relubrication is impractical.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with C0 radial clearance (0.003mm to 0.018mm), ensuring consistent performance and reduced vibration levels.
High-Speed Capability: With a limiting speed of 37,000 rpm and stainless steel cage, this bearing maintains stability at high rotational velocities.
Material Excellence: Chrome steel rings and balls combined with stainless steel cage provide superior durability and corrosion resistance within the operating temperature range of -30°C to 110°C.
6900zz Bearing Typical Application Areas
- Electric Motors: Small motors, servo motors, and spindle motors requiring reliable radial bearing support
- Precision Instruments: Measuring devices, optical equipment, and laboratory instruments
- Office Automation: Printers, scanners, copiers, and computer cooling fans
- Medical Equipment: Small medical devices, dental handpieces, and laboratory apparatus
- Automotive Components: Auxiliary systems, pumps, and small gearboxes
- Industrial Tools: Power tools, small machinery, and conveyor systems
