6312
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6312 Bearing Product Overview & Core Advantages
The 6312 is a single row deep groove ball bearing designed for exceptional performance in a wide range of industrial applications. As a fundamental component in the metric bearing series, it excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its open design allows for versatile lubrication options, making it suitable for high-speed operation. Manufactured to ABEC-1 precision tolerances, this bearing offers a reliable and cost-effective solution for applications demanding high rotational accuracy and smooth operation.
6312 Bearing Model Code Explained, Specifications & Naming Convention
The model number 6312 follows a standard industry nomenclature. Here is a breakdown of its key characteristics:
- 63: Indicates the bearing series, defining the cross-sectional dimensions and load capacity profile.
- 12: Represents the bore diameter. For this metric bearing, the bore diameter is calculated as 12 x 5 = 60 mm.
- Open (No Seal/Suffix): The absence of a suffix indicates an open bearing, requiring external lubrication but allowing for higher limiting speeds.
6312 Bearing Structural Features & Performance Benefits
The performance of the 6312 bearing is a direct result of its robust construction and material selection.
- High Load Capacity & Durability: Constructed from chrome steel rings and balls, this bearing achieves a high radial dynamic load rating of 18,412 lbf and a static load rating of 11,735 lbf, ensuring long service life under demanding conditions.
- Optimized for Speed: The stainless steel cage provides excellent strength and low friction, contributing to a high limiting speed of 5,300 rpm. The open design facilitates efficient lubrication and heat dissipation.
- Precision Performance: Manufactured to ABEC-1 tolerance class with a standard CN radial internal clearance, this bearing ensures consistent running accuracy and low vibration, which is critical for smooth machinery operation.
- Versatile Application Range: With a temperature range of -30°C to 110°C, it is suitable for most industrial environments.
6312 Bearing Typical Application Areas
The 6312 is a versatile component found in numerous sectors due to its balanced performance characteristics. Key application areas include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial load support.
