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모두 선택	제품 정보	값
	브랜드	SKF
	Inside Diameter	70mm
	Product Type	Radial Shaft Seal
	Outside Diameter	85mm
	Seal Type	Rotary Shaft Seal
	Thickness	8mm
	Seal Material	Nitrile Rubber (NBR)

Datasheet - 70X85X8 HMS5 RG

COO (Country of Origin):: CN

SKF Radial Shaft Seal, 70mm Inside Diameter, 85mm Outside Diameter - 70X85X8 HMS5 RG

This radial shaft seal provides a sealing solution for rotary shafts, designed to retain lubricants and exclude contaminants in rotating applications. It is constructed from nitrile rubber and intended for use where a resilient elastomeric barrier is required between a rotating shaft and its housing.

Features and Benefits:

• Nitrile elastomer resists common oils and greases
• Rotary design supports continuous shaft rotation
• Thin lip profile minimises frictional torque
• Robust construction maintains sealing under shaft movement
• Compatible with standard shaft mounting arrangements

Applications

• Suitable for sealing rotating machinery shafts
• Used with gearboxes requiring oil retention
• Appropriate for pump shaft sealing duties
• Can be used for transmission component protection
• Ideal for light industrial rotary assemblies

What material composes the seal and why is it chosen?

It is MADE from nitrile rubber, which provides resistance to mineral oils and greases, making it suitable for lubricant-exposed environments.

How does the seal accommodate shaft movement?

The rotary lip geometry allows the seal to maintain contact with the rotating surface while accommodating radial shaft motion and rotational speed.

Which dimensional attributes determine fitment to a shaft bore?

The seal’s internal diameter defines the shaft Interface while the external diameter matches the housing bore for an interference fit.

How does the seal contribute to maintenance intervals?

By retaining lubricant and excluding debris, it reduces contamination-related wear on bearing surfaces, which can extend service periods.

SKF Nitrile Rubber (NBR) Radial Shaft Seal, 70 mm ID, 85 mm OD, 8 mm