51384
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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51384 Bearing Product Overview & Core Advantages
The 51384 is a thrust ball bearing designed for applications requiring high capacity axial load handling. This metric system bearing features an open design, demanding lubrication for optimal performance, and is constructed from high-grade 52100 Chrome Steel for both rings and balls, ensuring durability and reliable operation. Its primary advantage lies in its exceptional axial static load rating and robust construction, making it suitable for heavy-duty machinery where pure thrust loads are predominant.
51384 Bearing Model Code Explained, Specifications & Naming Convention
The model number 51384 follows a standard thrust ball bearing designation. Here is a breakdown of its key characteristics based on the provided specifications:
- 51384: Standard model number indicating a thrust ball bearing with a 420mm bore and 650mm outside diameter.
- Seal Type: Open - Requires external sealing and lubrication for proper operation.
- Lubrication: Required - Must be lubricated with a suitable grease or oil for the application's speed and temperature range.
- Cage Material: Chrome Steel - Provides strength and stability for the ball complement.
51384 Bearing Structural Features & Performance Benefits
The 51384's performance is derived from its specific structural design and material selection:
- High Load Capacity: Engineered to withstand substantial axial dynamic and static loads (296,748 lbf and 1,686,067 lbf respectively), making it ideal for heavy thrust applications.
- Robust Construction: The use of 52100 Chrome Steel for all critical components ensures high hardness, wear resistance, and long service life.
- Precision Dimensions: Tight tolerances on the bore diameter, outside diameter, and width ensure precise fitment and reliable performance in the assembly.
- Operating Range: A specified temperature range of -30°C to 110°C allows for use in various industrial environments.
51384 Bearing Typical Application Areas
Given its high thrust capacity and robust design, the 51384 thrust ball bearing is commonly specified in:
- Heavy Machinery: Vertical pumps, extruders, and large gearboxes.
- Industrial Equipment: Crane hooks, lifting systems, and press brakes.
- Power Generation: Thrust positions in turbines and large generators.
- Marine & Offshore: Applications such as ship propellers and steering gears requiring high axial load support.
