629-Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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629-Z Bearing Product Overview & Core Advantages
The 629-Z is a metric single row deep groove ball bearing designed for exceptional performance in compact applications. Engineered with shielded protection and pre-lubricated with grease, it offers reliable operation and low maintenance. This bearing excels at handling radial loads and is manufactured to P6 tolerance class for high precision and consistent performance, making it ideal for applications demanding reliability and dimensional accuracy.
629-Z Bearing Model Code Explained, Specifications & Naming Convention
- 629: Basic model number, indicating a metric, single row deep groove ball bearing with a 9 mm bore.
- Z: Signifies that one side of the bearing is equipped with a non-contact steel shield. This shield effectively protects against contamination from solid particles while minimizing friction, contributing to the bearing's high limiting speed.
629-Z Bearing Structural Features & Performance Benefits
Robust Construction for Radial Loads: The single row deep groove raceway and high-quality chrome steel components provide a robust structure capable of handling the specified radial dynamic load rating of 1068 lbf.
Enhanced Operational Longevity: The stainless steel cage ensures uniform ball spacing and stability at high speeds, while the factory-applied grease lubrication and shielded design work in tandem to provide long-term, maintenance-free operation by retaining lubricant and excluding contaminants.
Precision and Speed: Manufactured to a P6 tolerance class with standard CN radial internal clearance, this bearing guarantees precise running accuracy. Combined with the low-friction shield, it achieves a high limiting speed of 38,000 rpm.
629-Z Bearing Typical Application Areas
The 629-Z is widely used in various precision mechanisms and small industrial equipment, including:
- Small electric motors and precision spindles
- Office automation equipment (printers, scanners)
- Medical devices and instrumentation
- Robotics and small gearboxes
- Cooling fans and pumps
