6204 JEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6204 JEM Bearing Product Overview & Core Advantages
The 6204 is a single row deep groove ball bearing engineered for exceptional performance in a wide range of industrial applications. As a fundamental component in the metric bearing series, it is designed to primarily accommodate radial loads, while also being capable of handling moderate axial loads in both directions. Its open design allows for versatile lubrication options and facilitates high-speed operation. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers reliable precision and consistent performance, making it a cost-effective and robust solution for general machinery and equipment requiring high reliability and long service life.
6204 JEM Bearing Model Code Explained, Specifications & Naming Convention
The model number 6204 follows a standard industry nomenclature. Here is a breakdown of its key characteristics, as defined by the provided specifications:
- Basic Design (62 Series): Indicates a single row deep groove ball bearing with a standard width series.
- Bore Size (04): Specifies a 20 mm bore diameter.
- Seal Type (Not Present / Open): The absence of a suffix indicates an open bearing, which is not pre-sealed. This allows for custom lubrication and is suitable for high-speed applications.
- Cage Material: Constructed from Chrome Steel for durability and strength.
- Tolerance Class: Manufactured to ABEC 1 | ISO P0, a standard grade for general industrial use.
- Radial Internal Clearance: Designated as CN, which is the normal clearance group.
- Lubrication: None (supplied without grease/oil), providing flexibility for the end-user to apply the most suitable lubricant for the application.
6204 JEM Bearing Structural Features & Performance Benefits
The 6204 bearing's performance is derived from its optimized deep groove raceway and precision construction:
- High Load Capacity: The continuous raceway geometry enables the bearing to support significant radial dynamic load ratings of 2878 lbf and static load ratings of 1495 lbf.
- High-Speed Capability: The open design and robust chrome steel cage contribute to a high limiting speed of 15,000 rpm, minimizing friction and heat generation.
- Robust Construction: All core components—rings, balls, and cage—are made from chrome steel, providing high hardness, wear resistance, and a long operational lifespan.
- Versatile Operating Range: With a temperature range from -30°C to 120°C, this bearing is suitable for a wide array of environmental conditions.
- Precision Dimensions: Tight dimensional tolerances on the bore, outside diameter, and width ensure a precise fit and reliable performance in the assembly.
6204 JEM Bearing Typical Application Areas
The versatility and reliability of the 6204 single row deep groove ball bearing make it a preferred choice in numerous sectors, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
- General Industrial Machinery requiring a standard, high-performance ball bearing solution.
