6212-RS1Z/C3GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6212-RS1Z/C3GJN Bearing Product Overview & Core Advantages
The 6212-RS1Z/C3GJN is a single row deep groove ball bearing engineered for robust performance in demanding applications. Its core advantage lies in its versatile sealing solution, featuring one side shielded and one side sealed, offering superior protection against contamination while managing lubricant effectively. Designed to primarily handle radial loads, this bearing is characterized by its high precision (ABEC 1 | ISO P0), increased internal clearance (C3) for thermal expansion, and a wide operating temperature range. It provides a reliable, maintenance-friendly solution where long service life and consistent operation are critical.
6212-RS1Z/C3GJN Bearing Model Code Explained, Specifications & Naming Convention
- 6212: Basic model number denoting a single row deep groove ball bearing with a 60mm bore and 110mm outside diameter.
- RS1: Designates the sealing type. R indicates a low-friction contact seal on one side, and S1 indicates a non-contact shield (ZZ style) on the opposite side. Z: This suffix confirms the presence of a shield (Z) on one side, complementing the RS1 designation.
- C3: Specifies a greater radial internal clearance than the Normal (CN) group. This is essential for applications with significant thermal gradients or where interference fits are used, preventing premature failure due to excessive preload.
- GJN: Indicates the bearing is pre-lubricated with a specific, high-quality grease. This offers immediate, maintenance-free operation upon installation.
6212-RS1Z/C3GJN Bearing Structural Features & Performance Benefits
Optimized Sealing Configuration: The combination of a contact seal (RS) and a non-contact shield (Z) provides an excellent balance. The seal effectively excludes contaminants and retains grease, while the shield offers minimal friction, contributing to a higher limiting speed and efficient operation.
Robust Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing delivers a high dynamic and static load rating, ensuring durability under significant radial loads.
C3 Clearance for Operational Stability: The increased internal clearance is a critical feature for applications prone to thermal expansion, such as in electric motors or gearboxes. It prevents binding and reduces friction, thereby extending bearing life.
Ready-to-Install & Maintenance-Friendly: Being pre-lubricated (GJN), the bearing arrives ready for service, eliminating initial lubrication steps and reducing maintenance requirements for the initial operational period.
6212-RS1Z/C3GJN Bearing Typical Application Areas
This bearing's combination of sealing, clearance, and reliability makes it suitable for a wide array of industrial machinery, including:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Agricultural Machinery
- Material Handling Equipment (e.g., conveyor pulleys)
- Pumps and Fans
