SMF52zz
SMF Series Stainless Steel 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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SMF52zz Bearing Product Overview & Core Advantages
The SMF52zz is a miniature deep groove ball bearing designed for applications demanding compact size and reliable performance. This metric single row bearing features stainless steel construction and integral shields, offering excellent corrosion resistance. Its primary advantages include a high limiting speed of 76,500 rpm and the ability to handle radial loads efficiently. The compact design, with a 2 mm bore and 5 mm outside diameter, makes it ideal for space-constrained, high-precision mechanisms requiring consistent operation.
Model Code Breakdown
- SMF52: Indicates the bearing series and basic size (2mm bore, 5mm OD).
- zz: Denotes that the bearing is equipped with shields (non-contact) on both sides. This suffix signifies effective protection against contamination while maintaining high-speed capability.
SMF52zz Bearing Structural Features & Performance Benefits
Robust Construction: Manufactured entirely from stainless steel, including the rings, balls, and cage, providing superior corrosion resistance and durability in harsh environments.
High-Speed Performance: The optimized stainless steel cage and non-contact shields (zz) contribute to a very high limiting speed, making it suitable for demanding high-RPM applications.
Precision & Reliability: Built to ABEC1 tolerance class with a controlled radial internal clearance (MC3), ensuring smooth and precise rotation with minimal vibration.
Note on Lubrication: This bearing requires lubrication for optimal performance and longevity. The absence of a pre-grease suffix indicates it is supplied without lubrication, allowing for the selection of a specialized grease based on the specific application requirements.
SMF52zz Bearing Typical Application Areas
The SMF52zz is ideally suited for a wide range of miniature and precision equipment, including:
- Small DC Motors and Precision Gearboxes
- Medical Devices and Instrumentation
- Optical Encoders and Scanning Mechanisms
- Robotics and Drones
- Office Automation Equipment
