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Select all	Attribute	Value
	Brand	SKF
	Product Type	Radial Shaft Seal
	Material	Nitrile Rubber (NBR)
	Inside Diameter	25.4mm
	Outside Diameter	31.75mm
	Minimum Operating Temperature	-40°C
	Thickness	6.35mm
	Maximum Operating Temperature	+100°C
	Standards/Approvals	ISO 6194, DIN 3760

	Select all
	Brand SKF
	Product Type Radial Shaft Seal
	Material Nitrile Rubber (NBR)
	Inside Diameter 25.4mm
	Outside Diameter 31.75mm
	Minimum Operating Temperature -40°C
	Thickness 6.35mm
	Maximum Operating Temperature +100°C
	Standards/Approvals ISO 6194, DIN 3760

Datasheet - 9998

COO (Country of Origin):: MX

SKF Radial Shaft Seal, 25.4mm Inside Diameter, 31.75mm Outside Diameter - 9998

This radial shaft seal provides a sealing solution for rotating shafts in industrial equipment, preventing fluid leakage and contamination ingress within mechanical assemblies. It is constructed from nitrile rubber and is suitable for use across a broad temperature range in automation, electrical and mechanical systems.

Features and Benefits:

• Nitrile rubber composition resists common oils and greases • Operates up to 100°C enabling high-temperature processes • Functions down to -40°C for low-temperature environments • Meets ISO 6194 for standardised shaft sealing performance • Conforms to DIN 3760 for dimensional and functional compatibility • Thin profile offers Compact installation without compromise

Applications

• Suitable for sealing rotating shafts in automation drives • Ideal for bearing housings in electronic cooling fans • Used with gearboxes in light mechanical equipment • Can be used for oil containment in electrical motor assemblies • Used for replacement sealing in industrial maintenance tasks

What materials resist hydraulic fluids and lubricants?

The sealing lip is formed from nitrile rubber which offers resistance to many mineral oils and greases commonly used in industrial gearboxes and motor bearings.

How does the seal perform in environments with wide temperature swings?

Its elastomeric properties maintain flexibility from -40°C up to 100°C, preserving sealing contact and preventing hardening or excessive swelling within that range.

What standards ensure interchangeability with established shaft housings?

The component is produced to comply with ISO 6194 and DIN 3760, which align dimensions and functional requirements for shaft Seals used in European industrial equipment.

How does the design affect contamination exclusion?

The lip geometry and material resilience sustain consistent contact against the shaft surface, reducing particulate ingress and protecting internal components during rotation.

SKF Nitrile Rubber (NBR) Radial Shaft Seal, 25.4 mm ID, 31.75 mm OD

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