627-2RZTN9/HC5C3LTF2
6000 Series HC5/HC5C3 Hybrid Ceramic Bearings
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627-2RZTN9/HC5C3LTF2 Bearing Product Overview & Core Advantages
The 627-2RZTN9/HC5C3LTF2 is a single row deep groove ball bearing engineered for high-performance applications. This sealed bearing features a hybrid ceramic design with silicon nitride balls, offering superior performance in demanding conditions. Its primary advantages include excellent high-speed capabilities and the ability to handle radial loads effectively. The combination of a nylon cage, optimized internal geometry, and C3 radial internal clearance makes it an ideal choice for applications requiring smooth operation, reduced friction, and long service life.
Model Code Breakdown
| Code Segment | Technical Meaning |
| 627 | Basic bearing series, indicating a metric, single row deep groove design. |
| 2RZ | Sealed on both sides with non-contact rubber seals. Provides effective protection against contaminants. |
| TN9 | Polyamide (Nylon) cage, snap-type design. Contributes to low friction, quiet operation, and is suitable for high speeds. |
| HC5 | Hybrid Ceramic bearing with Silicon Nitride (Si3N4) balls. Offers electrical insulation, reduced weight, and higher limiting speeds. |
| C3 | Radial internal clearance greater than Normal (C0). Suitable for applications with thermal expansion or where a tighter fit is used. |
| LT | Low Torque specification. Designed for applications requiring minimal starting and running torque. |
| F2 | A specific manufacturing or inspection process code. |
627-2RZTN9/HC5C3LTF2 Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of Silicon Nitride (Si3N4) balls in conjunction with chrome steel rings significantly reduces friction and wear. This construction provides inherent electrical insulation, higher stiffness, and allows for a much higher limiting speed compared to all-steel bearings.
Sealed & Ready-to-Use: The non-contact 2RZ rubber seals effectively shield the bearing interior from dust and moisture while minimizing friction. The bearing is supplied without lubrication ("None"), making it suitable for specific dry-running applications or for use with specialized lubricants as required by the application.
Optimized Cage & Clearance: The lightweight TN9 nylon cage ensures smooth guidance of the ceramic balls at high rotational speeds, contributing to low noise and vibration levels. The C3 radial internal clearance accommodates thermal expansion in the system, preventing preload and ensuring reliable operation under varying temperature conditions.
627-2RZTN9/HC5C3LTF2 Bearing Typical Application Areas
- High-Speed Spindles in CNC machinery and precision tools
- Electric Motors and generators requiring electrical insulation
- Medical Equipment such as dental handpieces and small centrifuges
- Aerospace & Defense instrumentation and control systems
- Robotics and automation joints requiring low torque and high responsiveness
