627-ZTN9/LT
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Materials
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627-ZTN9/LT Bearing Product Overview & Core Advantages
The 627-ZTN9/LT is a single row deep groove ball bearing engineered for precision and reliability in compact applications. This shielded bearing offers robust radial load capacity and is manufactured to ABEC 1 precision class. Its key advantages include a lightweight nylon cage for smooth, high-speed operation, and a design optimized for applications requiring a small cross-section with dependable performance. The combination of chrome steel components and a pre-defined CN radial internal clearance ensures consistent operation and long service life.
Model Code Breakdown
| Model Segment | Technical Meaning |
|---|---|
| 627 | Standard bearing series designation, indicating a metric, single row deep groove ball bearing with a 7mm bore, 22mm OD, and 7mm width. |
| Z | Denotes a non-contact steel shield on one side, protecting the bearing interior from large contaminants with minimal friction. |
| TN9 | Specifies a glass fiber reinforced polyamide (nylon) cage, design code "TN9". This cage is lightweight, promotes lower friction, and is ideal for high-speed applications. |
| LT | Indicates a special low-temperature grease filling, suitable for the specified operating temperature range. |
627-ZTN9/LT Bearing Structural Features & Performance Benefits
Optimized for High Speeds: The lightweight nylon cage (TN9) reduces centrifugal forces, enabling smoother operation and contributing to the bearing's high limiting speed of 30,000 rpm.
Effective Contamination Protection: The non-contact steel shield (Z) helps retain grease and exclude larger particles, enhancing bearing reliability in various environments without a significant increase in torque.
Robust Load Handling: Manufactured from high-grade chrome steel, this bearing provides a high dynamic and static radial load rating for its compact size, ensuring durability under demanding conditions.
Precision and Consistency: Built to ABEC 1 (ISO P0) tolerance standards with a standard CN radial internal clearance, this bearing guarantees precise running accuracy and consistent performance, making it a reliable precision bearing choice.
627-ZTN9/LT Bearing Typical Application Areas
The 627-ZTN9/LT is ideally suited for a wide range of compact, high-speed machinery and devices, including:
- Small Electric Motors: Used in fans, blowers, and precision drive systems.
- Office Automation Equipment: Such as printers, scanners, and copiers.
- Medical Devices: Including small pumps and handheld diagnostic tools.
- Precision Instruments: For applications requiring smooth, low-noise, and reliable rotation.
