627-ZJEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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Product Overview and Core Advantages
The 627-ZJEM is a metric single row deep groove ball bearing designed for reliable performance in general industrial applications. This shielded bearing offers excellent radial load capacity and is manufactured to ABEC 1 precision (ISO P0 tolerance class), ensuring consistent operation and interchangeability. Its compact design, with a 7 mm bore and 22 mm outside diameter, makes it an ideal solution for space-constrained assemblies requiring robust support.
627-ZJEM Bearing Model Code Explained, Specifications & Naming Convention
- 627: Basic model number denoting a metric deep groove ball bearing series with specific dimensions (7mm bore, 22mm OD, 7mm width).
- -Z: Signifies that one side of the bearing is equipped with a shield. This non-contact metal shield helps retain lubrication and protects the internal components from large contaminants.
- -JEM: This suffix combination indicates specific manufacturer designations for internal specifications, which in this case correspond to the CN radial internal clearance and standard cage design.
Structural Features and Performance Benefits
The 627-ZJEM's performance stems from its robust construction. The single row deep groove raceway geometry is optimized for handling radial loads efficiently. The use of chrome steel for all bearing components (rings, balls, and cage) provides high hardness and durability, contributing to a long service life. The presence of a shield on one side offers a degree of protection against debris while allowing for a higher limiting speed compared to contact-sealed variants. The bearing is supplied without lubrication (None), providing flexibility for the end-user to apply a lubricant suitable for their specific application requirements.
627-ZJEM Bearing Typical Application Areas
This versatile bearing is commonly found in a wide range of light to moderate-duty machinery and devices, including:
- Small Electric Motors
- Power Tools
- Conveyor Idler Rolls
- Office Machinery
- Agricultural Equipment
- Ventilation Fans
