52306
Double Direction Thrust Ball Bearings
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Part No.
Part No.
52306
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
0.47 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
60 mm
Outside diameter tolerance
-0.015mm to 0
Width
38 mm
Width tolerance
+0.15mm to -0.4mm
Ball & Washer Dimensions
Housing washer inner diameter
32 mm
Housing washer chamfer size
1 mm
Shaft washer chamfer size
0.3 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
8055 lbf
Axial static load rating
14738 lbf
Limiting speed
4 X 1000 rpm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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52306 Bearing Product Overview & Core Advantages
The 52306 is a metric thrust ball bearing engineered for demanding applications requiring high axial load capacity and precision operation. This thrust bearing is designed to accommodate unidirectional axial loads with exceptional efficiency. Its construction from high-grade Chrome Steel for rings and balls, combined with a Stainless Steel cage, ensures reliable performance, high durability, and excellent resistance to wear. The open seal type allows for versatile lubrication options, making it suitable for high-speed scenarios up to 4000 rpm, as indicated by its limiting speed.
52306 Bearing Model Code Explained, Specifications & Naming Convention
The model number 52306 follows a standard industry designation for metric thrust ball bearings. A breakdown of its key components is as follows:
- 52: Denotes the series, indicating a specific thrust ball bearing design with a particular height-to-diameter ratio.
- 3: Represents the bore diameter code. For this series, it corresponds to a 25 mm bore diameter.
- 06: Indicates the outside diameter code, which correlates to a 60 mm outside diameter.
- Open Seal: The absence of a suffix for seals (e.g., -2Z, -RS) confirms this is an open bearing, requiring external lubrication but allowing for higher speed capabilities.
52306 Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: Engineered specifically for thrust applications, this bearing features a robust design that delivers a high axial dynamic load rating of 8055 lbf and an axial static load rating of 14738 lbf, ensuring reliable performance under significant unidirectional axial forces.
- Precision and Stability: Manufactured with tight tolerances on the bore, outside diameter, and width, it provides precise shaft and housing fits, contributing to stable and accurate rotational performance.
- High-Speed Capability: The use of a stainless steel cage and the open design contribute to a high limiting speed of 4000 rpm, making it suitable for applications requiring rapid rotation.
- Durable Material Construction: The rings and balls are made from Chrome Steel (Gcr15), offering high hardness and fatigue resistance, while the stainless steel cage provides excellent corrosion resistance and strength.
- Compliance and Safety: The bearing is ROHS and REACH compliant, ensuring it meets stringent environmental and safety standards for use in various markets.
52306 Bearing Typical Application Areas
This thrust ball bearing is ideal for machinery and systems that require management of heavy axial loads in one direction. Common applications include:
- Automotive Transmissions: For supporting axial loads in gear assemblies.
- Industrial Gearboxes: Used in various speed reducers and gearboxes to handle thrust forces.
- Machine Tool Spindles: Where precise axial positioning and high-speed operation are critical.
- Pumps and Compressors: For managing axial thrust generated by impellers or rotors.
- Marine Propulsion Systems: In stern tubes and thrusters to accommodate propeller thrust.
