6004 JEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6004 JEM Bearing Product Overview & Core Advantages
The 6004 is a single row deep groove ball bearing designed for outstanding performance in a wide range of industrial applications. As a metric open bearing, it excels in handling primarily radial loads and offers reliable operation under high-speed conditions. Its construction from high-grade chrome steel ensures durability and a long service life. The bearing is characterized by its compact dimensions (20mm bore, 42mm OD, 12mm width), making it an ideal choice for applications where space is at a premium and high rotational speeds are required, with a limiting speed of 17,000 rpm.
6004 JEM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6004 | Standard designation for a single row deep groove ball bearing with a 20mm bore, 42mm outside diameter, and 12mm width. |
| Open | Indicates the bearing has no seals or shields, allowing for higher speeds and easy re-lubrication, but requiring a clean operating environment. |
| ABEC 1 | ISO P0 | Specifies the tolerance class, denoting standard precision levels suitable for most general-purpose applications. |
| CN | Defines the standard radial internal clearance for normal operating conditions. |
| None (Lubrication) | The bearing is supplied without grease, providing flexibility for the user to apply a lubricant best suited for the specific application. |
6004 JEM Bearing Structural Features & Performance Benefits
The performance of the 6004 bearing is a direct result of its robust design and material selection.
- High-Speed Capability: The open design and single-row deep groove raceway minimize friction and heat generation, enabling a high limiting speed of 17,000 rpm. The pressed steel cage ensures stable operation at these velocities.
- Radial Load Capacity: Engineered with a deep groove raceway, this bearing is optimized to carry significant radial loads (dynamic: 2113 lbf, static: 1135 lbf), making it a reliable component in power transmission systems.
- Material Integrity: Manufactured entirely from chrome steel, including rings, balls, and cage, the bearing offers high hardness, wear resistance, and consistent performance across a temperature range of -30°C to 120°C.
- Precision & Versatility: The standard ABEC 1 (ISO P0) tolerance and CN clearance provide a balance of performance and cost-effectiveness, suitable for a vast array of general machinery.
6004 JEM Bearing Typical Application Areas
The 6004 deep groove ball bearing is a versatile component found in numerous sectors due to its robust performance and standard dimensions.
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Material Handling Equipment such as Conveyor Rollers
- Agricultural Machinery
- Automotive Auxiliary Units (e.g., alternators, idler pulleys)
- General Machinery and Power Tools
