S604
600 Series Stainless Steel Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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S604 Bearing Product Overview & Core Advantages
The S604 is a metric single row deep groove ball bearing engineered for high performance in compact spaces. Constructed entirely from stainless steel, it offers excellent corrosion resistance and is designed to handle primarily radial loads. Its open design allows for versatile lubrication options, making it suitable for applications demanding cleanliness and moderate operating speeds. With an ABEC1 precision class and standardized dimensions, this bearing provides a reliable and cost-effective solution for a wide range of industrial equipment.
S604 Bearing Model Code Explained, Specifications & Naming Convention
The model designation S604 can be broken down as follows:
- S: Denotes the bearing is constructed from Stainless Steel, providing enhanced corrosion resistance.
- 6: Indicates the bearing series, which defines the cross-sectional dimensions and load capacity characteristics.
- 04: Specifies the bore diameter. In this case, a bore of 4 mm.
- Open: The absence of a seal or shield suffix indicates an open bearing, requiring external lubrication but allowing for higher potential speeds.
S604 Bearing Structural Features & Performance Benefits
The performance of the S604 is derived from its robust construction and material selection:
- Full Stainless Steel Construction: Both rings, the 7 balls, and the cage are made from stainless steel, ensuring consistent performance and resistance to rust in challenging environments.
- Deep Groove Raceway: The geometry of the raceway is optimized not only for high radial dynamic load rating (165 lbf) but also for accommodating some axial loads from both directions.
- High-Speed Capability: The open design and stainless steel cage contribute to a high limiting speed of 43,200 rpm, making it suitable for demanding applications.
- Precision Engineering: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3 group), ensuring smooth and quiet operation.
S604 Bearing Typical Application Areas
The S604's compact size, corrosion resistance, and high-speed performance make it ideal for a variety of precision applications, including:
- Small Electric Motors and Gearboxes
- Medical and Dental Handpieces
- Precision Instruments and Optical Devices
- Office Automation Equipment (e.g., printers, scanners)
- Food Processing and Packaging Machinery (where corrosion resistance is key)
