SF625 2rs
SF 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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SF625 2rs Bearing Product Overview & Core Advantages
The SF625 2RS is a metric single row deep groove ball bearing designed for exceptional performance in compact spaces. Engineered with stainless steel construction throughout its rings, balls, and cage, it offers superior corrosion resistance. Its key advantage lies in its sealed design (2RS), which provides effective protection against contaminants while retaining lubricant, making it a highly reliable and low-maintenance component. This bearing is optimized to handle primarily radial loads and is capable of operating at high speeds, making it an ideal choice for applications demanding precision and durability.
SF625 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SF625 | Basic bearing designation: 5mm bore, 16mm OD, 5mm width. | Defines the core bearing dimensions. |
| 2RS | Contact seals on both sides made of Nitrile Rubber (NBR). | Provides excellent contamination exclusion and grease retention for long service life. |
SF625 2rs Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The geometry is optimized for high radial load capacity and smooth operation.
- Full Complement Stainless Steel: All critical components (rings, balls, cage) are manufactured from stainless steel, ensuring excellent corrosion resistance and suitability for harsh environments.
- Double-Sealed (2RS) Construction: The nitrile rubber seals contacting the inner ring shield the bearing from dust, moisture, and other contaminants, while effectively retaining the lubricant. This design significantly enhances reliability and enables maintenance-free operation.
- ABEC 1 Precision: Manufactured to ABEC 1 tolerance class, ensuring consistent quality, smooth running, and low noise levels, suitable for a wide range of general precision applications.
- High-Speed Capability: With a limiting speed of 32,400 rpm, this bearing is engineered for applications requiring rapid rotation.
SF625 2rs Bearing Typical Application Areas
The SF625 2RS is versatile and finds use in numerous precision instruments and small machinery, including:
- Small electric motors and gearboxes
- Medical and dental handpieces
- Office automation equipment (printers, scanners)
- Radio control models and drones
- Precision spindles and small pumps
- Food processing equipment (due to its stainless steel construction)
