ER1212 2RS
ER Series Thin Section Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
ER1212 2RS Bearing Product Overview & Core Advantages
The ER1212 2RS is a single row deep groove ball bearing designed for reliable performance in demanding applications. This inch-series bearing features a sealed construction with 2RS contact seals on both sides, providing excellent protection against contamination. Engineered with chrome steel rings and stainless steel cage, it delivers consistent operation across a temperature range of -30°C to 110°C. With its ABEC-1 precision class and optimized internal geometry, the ER1212 2RS offers smooth running characteristics and long service life, making it an ideal choice for applications requiring dependable radial load support.
ER1212 2RS Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| ER1212 | Basic bearing designation with inch dimensions (0.5" bore × 0.75" OD × 0.1562" width) | Standard inch sizing for compatibility with imperial equipment |
| 2RS | Double contact seals on both sides | Superior contamination protection and lubricant retention |
ER1212 2RS Bearing Structural Features & Performance Benefits
Sealed Construction: The 2RS contact seals provide effective barrier against dust, moisture, and other contaminants while retaining lubrication, enabling reliable operation in harsh environments.
Optimized Internal Design: Features C0 radial internal clearance (0.003mm to 0.018mm) for stable performance under normal operating conditions and temperature variations.
Premium Materials: Chrome steel rings and balls combined with stainless steel cage deliver excellent durability and corrosion resistance.
Load Capacity: With radial dynamic load rating of 207 lbf and static load rating of 121 lbf, this bearing provides reliable support for radial loads in various applications.
Speed Performance: Capable of operating at limiting speeds up to 12,000 rpm, making it suitable for moderate to high-speed applications.
ER1212 2RS Bearing Typical Application Areas
- Small electric motors and power tools
- Industrial pumps and compressors
- Office equipment and business machines
- Medical devices and dental equipment
- Textile machinery components
- Agricultural equipment accessories
- Conveyor systems and material handling equipment
