S698 2rs
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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S698 2rs Bearing Product Overview & Core Advantages
The S698 2RS is a sealed single row deep groove ball bearing engineered for precision and reliability in demanding applications. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance. Its key advantage lies in its ability to handle moderate radial loads and bidirectional axial loads simultaneously, making it a versatile and compact solution. The integral nitrile rubber seals (2RS) effectively retain lubrication and exclude contaminants, ensuring long service life and consistent performance in a wide temperature range from -30°C to 110°C. This bearing is an ideal choice for applications requiring high reliability and low maintenance.
S698 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S | Stainless Steel Construction |
| 698 | Standard bearing series designation denoting the specific bearing dimensions (8mm bore, 19mm OD, 6mm width). |
| 2RS | Indicates the bearing is fitted with contact seals on both sides, made of Nitrile Rubber (NBR). This provides superior protection against contamination and grease leakage. |
S698 2rs Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All critical components—inner ring, outer ring, balls, and cage—are manufactured from stainless steel. This provides excellent resistance to corrosion and makes the bearing suitable for harsh environments, including those with exposure to moisture or certain chemicals.
- Optimized Load Capacity: The deep groove raceway and complement of seven precision balls enable the bearing to support significant radial dynamic loads (385 lbf) and moderate axial loads in both directions, offering versatile load-handling capability.
- Sealed for Life & Low Maintenance: The double-sided contact seals (2RS) are highly effective at retaining the required grease lubricant and preventing the ingress of dust, dirt, and moisture. This design results in a maintenance-free bearing assembly, reducing total cost of ownership.
- Precision & Smooth Operation: Manufactured to ABEC1 tolerance class and featuring a controlled radial internal clearance (MC3: 0.002mm to 0.013mm), this bearing ensures smooth, quiet, and low-vibration operation, contributing to the overall precision of the application.
S698 2rs Bearing Typical Application Areas
- Food Processing and Packaging Machinery
- Medical and Dental Equipment
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
- Office Automation Equipment (e.g., printers, scanners)
- Agricultural and Marine Equipment (where corrosion resistance is critical)
