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	Marque	SKF
	Product Type	Radial Shaft Seal
	Inside Diameter	42mm
	Outside Diameter	55mm
	Seal Type	Rotary Shaft Seal
	Thickness	7mm
	Seal Material	Nitrile Rubber (NBR)

Datasheet - 42X55X7 HMSA10 RG

Pays d'origine :: CN

SKF Radial Shaft Seal, 42mm Inside Diameter, 55mm Outside Diameter - 42X55X7 HMSA10 RG

This radial shaft seal is a rotary sealing component designed to prevent fluid leakage around rotating shafts in mechanical assemblies. It combines a flexible elastomeric sealing lip with a profile suited to maintain a barrier between lubricated and external environments during shaft rotation.

Features and Benefits:

• Nitrile rubber formulation resists common lubricants and oils
• Robust lip geometry reduces extrusion under dynamic conditions
• Durable material supports extended service intervals
• Temperature-capable compound for demanding thermal environments
• Construction tolerates moderate shaft misalignment during operation

Applications

• Suitable for automotive driveline and gearbox sealing duties
• Ideal for rotating pump shaft fluid containment tasks
• Used with industrial motors requiring oil retention
• Can be used for agricultural machinery exposed to oils
• Appropriate for general machine-tool spindle protection

What shaft tolerance should I check before installation?

Verify shaft running clearance and surface finish to match the seal’s sealing lip, smooth, concentric shafts ensure effective contact and minimise wear.

How is the seal retained on the housing bore?

The outer periphery relies on an interference fit in the housing bore to maintain axial and radial position during operation.

What maintenance indicators suggest a replacement is needed?

Look for oil leakage at the shaft interface, visible lip deformation or hardening of the elastomer as signs to replace it.

How should the seal be lubricated prior to fitting?

Lightly coat the sealing lip and shaft with a compatible lubricant to reduce initial friction and prevent tearing during assembly.

Are there installation precautions to prevent damage?

Use a tool that evenly presses the outer edge into the bore and avoid prising the sealing lip to prevent nicks or distortion.

SKF Nitrile Rubber (NBR) Radial Shaft Seal, 42 mm ID, 55 mm OD, 7 mm

Frais de livraison offerts pour toute commande de plus de 90,00 €