SKF Thrust Ball Bearing, 120mm Inside Diameter, 170mm Outside Diameter - 51224

This thrust ball bearing is designed for applications requiring single-direction support and high load capacity. Featuring an internal diameter of 120mm and an external diameter of 170mm, it is constructed from robust steel, making it a suitable choice in various industrial contexts.

Features & Benefits

• Open type design allows easy access for lubrication
• High static load rating of 390 kN supports heavy loads
• Dynamic load rating of 127 kN ensures reliable performance
• Single row construction minimises friction and enhances speed
• Parallel bore type enhances fitting versatility
• Sheet metal cage optimises ball alignment for durability

Applications

• Utilised in rotary requiring axial load support
• Often used in machinery that necessitates high load capacity
• Suitable for assembly in limited spaces due to compact design
• Commonly found in electric motors and gearboxes
• Effective in automation systems where precise positioning is crucial

What are the main benefits of the open type design?

The open type design allows for straightforward access to the lubrication points, facilitating easier maintenance and ensuring optimal performance over time.

How does the dynamic load rating affect performance in practical use?

The dynamic load rating of 127 kN indicates the maximum load the bearing can endure during operation without permanent deformation, making it ideal for high-speed applications.

What maintenance practices should be adopted for optimal longevity?

Regularly checking and applying suitable lubricant is essential, and inspections for wear can help in anticipating and preventing failures.

What impact does the steel construction have on performance?

Using steel enhances the bearing's strength and fatigue resistance, ensuring it can withstand high pressures and prolonging its service life in demanding scenarios.

What factors should be considered when selecting this bearing for specific applications?

Consider the operating environment, including load requirements, speed limits, and potential contamination, to ensure compatibility and optimal performance.

Select all	Attribute	Value
	Brand	SKF
	Inside Diameter	120mm
	Outside Diameter	170mm
	Race Width	39mm
	Ball Bearing Type	Thrust Ball Bearing
	Sealing Arrangement	Open Type
	Bearing Clearance	CN
	Material	Steel
	Ball Material	Steel
	Cage Material	Sheet Metal
	Number of Rows	1
	Static Load Rating	390kN
	Dynamic Load Rating	127kN
	Bore Type	Parallel
	Bearing Series	1 Extra Light Thrust
	Partial Bearing Code	51224

	Select all
	Brand SKF
	Inside Diameter 120mm
	Outside Diameter 170mm
	Race Width 39mm
	Ball Bearing Type Thrust Ball Bearing
	Sealing Arrangement Open Type
	Bearing Clearance CN
	Material Steel
	Ball Material Steel
	Cage Material Sheet Metal
	Number of Rows 1
	Static Load Rating 390kN
	Dynamic Load Rating 127kN
	Bore Type Parallel
	Bearing Series 1 Extra Light Thrust
	Partial Bearing Code 51224

SKF 51224 Thrust Ball Bearing- Open Type 120mm I.D, 170mm O.D

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