SMF104
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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SMF104 Bearing Product Overview & Core Advantages
The SMF104 is a metric miniature ball bearing designed for applications demanding compact size and reliable performance. As a single row deep groove ball bearing, it is engineered to primarily handle radial loads efficiently. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, making it suitable for various industrial environments. Its open design allows for versatile lubrication options, and its ABEC 1 precision class ensures consistent and smooth operation for a wide range of precision mechanisms.
SMF104 Bearing Model Code Explained, Specifications & Naming Convention
The SMF104 model designation follows a standard industry format. Here is a breakdown of its key specifications:
- SMF104: Indicates the specific bearing series and size (4mm bore, 10mm OD).
- Seal Type: Open: No integral seals or shields, allowing for custom lubrication and higher potential speeds.
- Tolerance Class: ABEC 1: Defines the precision level for dimensional accuracy and running performance.
- Radial Internal Clearance: MC3: Specifies a specific internal clearance range (0.002mm to 0.013mm) for operational fit.
SMF104 Bearing Structural Features & Performance Benefits
The SMF104's performance is derived from its robust construction and material selection.
- Compact & Lightweight Design: With dimensions of 4x10x3 mm and a weight of just 1.04 grams, it is ideal for space-constrained applications.
- Stainless Steel Construction: All components, including rings, balls, and cage, are made from stainless steel, providing superior corrosion resistance and durability.
- Radial Load Capacity: Engineered to handle radial dynamic loads up to 122 lbf and radial static loads up to 44 lbf, ensuring reliable performance under stress.
- High-Speed Capability: Features a limiting speed of 43,200 rpm, facilitated by its open design and precision-ground components.
- Precision Engineering: The ABEC 1 tolerance class and controlled internal clearance (MC3) contribute to low noise, low vibration, and smooth rotation.
SMF104 Bearing Typical Application Areas
The SMF104 miniature ball bearing is versatile and finds use in numerous precision industries and devices, including:
- Small Electric Motors and Gearboxes
- Precision Instruments and Optical Devices
- Medical Equipment and Dental Handpieces
- Robotics and RC Models
- Office Automation Equipment (e.g., Printers, Scanners)
- Computer Cooling Fans
