6204 TN9/C4
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6204 TN9/C4 Bearing Product Overview & Core Advantages
The 6204 TN9/C4 is a single row deep groove ball bearing designed for high-performance industrial applications. Engineered to primarily handle radial loads, it features a C4 radial internal clearance and a nylon cage (TN9), making it suitable for applications requiring accommodation for thermal expansion and offering quiet operation at high speeds. Its open design allows for versatile lubrication options, while its ABEC 1 (ISO P0) precision ensures reliable performance in a wide range of machinery. This bearing is characterized by its robust construction, high limiting speed, and compliance with RoHS and REACH standards.
Model Code Breakdown
- 6204: Basic model number denoting a single row deep groove ball bearing with a 20mm bore, 47mm OD, and 14mm width.
- TN9: Designates the cage material and type. "TN9" indicates a glass fiber reinforced nylon cage, which contributes to lower friction, quieter operation, and higher speed capability.
- C4: Specifies the radial internal clearance. C4 is a greater than normal clearance, ideal for applications with significant thermal expansion or where interference fits are used.
6204 TN9/C4 Bearing Structural Features & Performance Benefits
The bearing's performance is driven by its specific construction:
- High-Speed Capability: The TN9 nylon cage reduces weight and inertial forces, enabling a high limiting speed of 15,000 rpm. Its design minimizes friction and heat generation.
- Optimized Internal Clearance: The C4 radial clearance provides extra space between the rolling elements and raceways, accommodating thermal expansion in demanding applications and preventing preload, which ensures smooth operation.
- Robust Load Capacity: Manufactured from high-grade chrome steel, the bearing offers a substantial dynamic load rating of 2878 lbf and a static load rating of 1495 lbf, ensuring durability under significant radial loads.
- Versatile Application Range: The open seal type allows for custom lubrication regimes, making it adaptable to various environmental and operational conditions within its specified temperature range.
6204 TN9/C4 Bearing Typical Application Areas
The 6204 TN9/C4 is ideally suited for a variety of industrial applications requiring reliable, high-speed operation and robust radial load support, including:
- Electric Motors
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery
