6205-2RS/C3 GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6205-2RS/C3 GJN Bearing Product Overview & Core Advantages
The 6205-2RS/C3 GJN is a sealed deep groove ball bearing designed for reliable performance in demanding applications. This metric single row bearing excels at handling primarily radial loads and offers robust operation due to its construction. A key advantage is its C3 radial internal clearance, which accommodates thermal expansion in applications with elevated operating temperatures or where fits result in a reduction of internal clearance. The integrated 2RS seals on both sides effectively protect against contamination, making it a maintenance-free solution for a wide range of industrial environments.
Model Code Breakdown
- 6205: Standard designation for a single row deep groove ball bearing with a 25mm bore and 52mm outside diameter.
- 2RS: Indicates the bearing is fitted with contact rubber seals on both sides. This provides excellent protection against the ingress of contaminants and the egress of lubricant.
- /C3: Specifies a greater than normal radial internal clearance. This is essential for applications involving high rotational speeds or thermal gradients to prevent pre-loading and potential bearing failure.
- GJN: Designates a specific, high-quality polyurea grease filling. This lubricant offers a wide temperature range (-30°C to +120°C), excellent stability, and long service life.
6205-2RS/C3 GJN Bearing Structural Features & Performance Benefits
The performance of the 6205-2RS/C3 GJN is derived from its carefully engineered components. The chrome steel rings and balls provide high strength and durability, contributing to its dynamic load rating of 3147 lbf and static load rating of 1765 lbf. The combination of double-lipped contact seals (2RS) and the specialized GJN polyurea grease creates a sealed-for-life system, eliminating the need for re-lubrication and ensuring consistent performance. The C3 clearance is a critical feature that prevents excessive friction and heat buildup in applications prone to thermal expansion, thereby supporting a limiting speed of 13,000 rpm. Manufactured to ABEC 1 | ISO P0 tolerance class, it guarantees reliable and smooth operation for general industrial use.
6205-2RS/C3 GJN Bearing Typical Application Areas
This versatile and robust bearing is ideally suited for a multitude of applications across various sectors, including:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor systems)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
