SKF Seal, Rotary Shaft Seal, 20mm Inside Diameter - 20X47X7 HMSA10 RG

This seal is a precision-engineered rotary shaft seal designed to effectively manage the sealing between rotating and stationary machine components. With 20mm internal and 47mm external diameters, this component is crafted from high-quality nitrile rubber, providing exceptional performance in diverse operating conditions. The thickness of 7mm enables a robust and resilient fit, ensuring durability in a range of environments.

Features & Benefits

• Rubber outside diameter enhances resistance to wear
• Single sealing lip optimises leakage protection
• Garter spring maintains consistent seal pressure
• Auxiliary lip improves sealing in contaminated environments
• Broad operating temperature range suits various conditions

Applications

• Utilised in hydraulic systems for efficient fluid containment
• Suitable for automotive requiring reliable sealing
• Used with machinery experiencing rotary motion
• Ideal for involving oils and greases
• Effective in environments exposed to dust and contaminants

What materials are used in the seal's construction, and how do they enhance performance?

The seal is constructed from nitrile rubber, which provides excellent resistance to oil and grease, ensuring longevity and effectiveness in sealing applications. Its material choice makes it suitable for high-temperature environments, maintaining integrity across a broad operational range.

How does the design accommodate misalignment between components?

The incorporation of a garter spring allows for a flexible fit, which accommodates minor misalignments between the shaft and housing. This adaptability ensures continued sealing performance, even when the components do not align perfectly.

What is the seal’s maximum operating temperature, and how does it affect its application?

The seal operates efficiently within a temperature range of -40°C to +100°C, with short periods reaching up to 120°C. This broad range allows for its use in diverse applications without compromising its sealing efficiency or structural integrity.

Select all	Attribute	Value
	Brand	SKF
	Inside Diameter	20mm
	Outside Diameter	47mm
	Seal Type	Rotary Shaft Seal
	Thickness	7mm
	Seal Material	Nitrile Rubber
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	+100°C

	Select all
	Brand SKF
	Inside Diameter 20mm
	Outside Diameter 47mm
	Seal Type Rotary Shaft Seal
	Thickness 7mm
	Seal Material Nitrile Rubber
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature +100°C

SKF Nitrile Rubber Seal, 20mm ID, 47mm OD, 7mm

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