6911zz
6900 Series Thin Section Bearings
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6911zz Bearing Product Overview & Core Advantages
The 6911zz is a single row deep groove ball bearing featuring integral shielded protection on both sides. Engineered for radial load applications, this metric bearing delivers reliable performance in compact spaces with its 13mm width. Manufactured to ABEC-1 precision standards, it offers excellent dimensional stability and smooth operation. The combination of chrome steel components and stainless steel cage ensures durability and consistent performance across its operating temperature range of -30°C to 110°C.
Model Code Detailed Breakdown
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 69 | Deep groove ball bearing series | Standard design for versatile applications |
| 11 | Size designation: 55mm bore × 80mm OD | Optimized bearing dimensions for medium-duty applications |
| zz | Double metal shields (both sides) | Contaminant protection while maintaining high-speed capability |
6911zz Bearing Structural Features & Performance Benefits
Enhanced Contamination Resistance: The double shielded construction provides effective protection against dust and particulate ingress while allowing higher rotational speeds compared to contact seals.
Optimized Load Capacity: With a radial dynamic load rating of 3735 lbf and static load rating of 3172 lbf, this bearing delivers reliable performance in various radial load applications.
Precision Engineering: Manufactured to ABEC-1 tolerance class with bore diameter tolerance of -0.015mm to 0, ensuring consistent performance and easy installation.
Temperature Stability: The chrome steel construction maintains dimensional stability across the operating temperature range of -30°C to 110°C.
High-Speed Capability: The stainless steel cage and optimized internal geometry enable operation at limiting speeds up to 9,600 rpm.
6911zz Bearing Typical Application Areas
- Electric Motors - Main and auxiliary motor bearings for industrial equipment
- Industrial Gearboxes - Power transmission systems requiring reliable radial load support
- Material Handling Equipment - Conveyor systems, pulley assemblies, and transfer mechanisms
- Agricultural Machinery - Implement drives and PTO applications
- Industrial Fans & Blowers - Shaft support in ventilation and air movement systems
- General Industrial Machinery - Various applications requiring precision bearings with contamination protection
