212S-HYB#1
High-Performance Custom Hybrid Ceramic Bearings (#1 Series)
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Basic Information
Main Dimensions
Performance
Materials
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212S-HYB#1 Bearing Product Overview & Core Advantages
The 212S-HYB#1 is a single row deep groove ball bearing engineered for exceptional performance in demanding applications. This precision bearing features a unique hybrid ceramic ball construction, combining a chrome steel ring with silicon nitride (Si3N4) ceramic balls. This design delivers superior high-speed capability, reduced friction, and extended service life. Its open design allows for custom lubrication schemes, making it ideal for applications requiring high reliability and precise operation under radial loads.
212S-HYB#1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 212S | Basic Bearing Series/Size | Defines the standard boundary dimensions: 60mm bore, 110mm OD, 22mm width. |
| HYB | Hybrid Construction | Indicates the use of ceramic balls (silicon nitride) with steel rings, offering higher speed and longer life. |
| #1 | Internal Design/Variant | Specifies a particular internal configuration, likely related to internal clearance or cage design. |
212S-HYB#1 Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of steel rings and silicon nitride ceramic balls significantly reduces centrifugal forces and friction, enabling a high limiting speed of 6,700 rpm. This material combination also provides inherent electrical insulation and superior performance in high-temperature or corrosive environments.
High Load Capacity: With a dynamic load rating of 12,612 lbf and a static load rating of 11,240 lbf, this bearing is built to handle significant radial loads with high reliability.
Precision & Rigidity: Manufactured to ABEC 1 / ISO P0 tolerance class with a standard CN radial internal clearance, this bearing ensures consistent performance, smooth operation, and contributes to overall system rigidity.
Open Seal & Flexibility: The open (unsealed) structure provides maximum flexibility for application-specific lubrication, allowing for the use of specialized oils or greases to optimize performance for the operating conditions.
212S-HYB#1 Bearing Typical Application Areas
- High-Speed Spindles in machining centers and precision grinding machines
- Electric Motors and generators requiring high-speed operation and long life
- Aerospace & Defense systems, including auxiliary power units and flight control mechanisms
- Medical Equipment such as high-speed dental handpieces and centrifuges
- Robotics and automation joints demanding precision and reliability
