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Datasheet - 50X75X10 HMSA10 RG

COO (Country of Origin):: CN

SKF Seal, 50mm Inside Diameter, 75mm Outside Diameter - 50X75X10 HMSA10 RG

This seal is a rotary shaft sealing component designed to prevent fluid and contaminant ingress in rotating equipment. It is intended for use on shafts in industrial assemblies where a resilient lip material is required to maintain sealing performance under dynamic conditions.

Features and Benefits:

• Nitrile construction resists common oils and greases • Rotary design maintains contact with moving shafts • Thin cross-section supports Compact housings • Robust exterior profile reduces extrusion risk • Compatible with standard shaft mounting procedures

Applications

• Suitable for hydraulic actuator shafts in automation systems • Ideal for electric motor drive shafts in electronics equipment • Used with gearboxes in mechanical assemblies requiring oil retention • Can be used for rotating Seals in electrical drive units

What material characteristics affect chemical compatibility?

The lip material is nitrile rubber (NBR), which offers good resistance to petroleum-based oils and greases but can be affected by strong acids, ketones and certain esters.

How should it be installed to avoid damage?

Fitment should ensure even radial compression and avoid sharp-edged housings

use a sleeve or protective ring during press-fit assembly to prevent lip nicking.

What operational behaviour should I expect under shaft misalignment?

The rotary lip seal tolerates minor shaft eccentricity but sustained significant misalignment will increase wear and reduce sealing life.

How does temperature influence performance?

NBR exhibits stable performance within moderate temperature ranges typical of industrial oil applications, with flexibility reducing at low temperatures and accelerated ageing at elevated temperatures.

Select all	Attribute	Value
	Brand	SKF
	Inside Diameter	50mm
	Product Type	Seal
	Outside Diameter	75mm
	Seal Type	Rotary Shaft Seal
	Thickness	10mm
	Seal Material	Nitrile Rubber (NBR)

	Select all
	Brand SKF
	Inside Diameter 50mm
	Product Type Seal
	Outside Diameter 75mm
	Seal Type Rotary Shaft Seal
	Thickness 10mm
	Seal Material Nitrile Rubber (NBR)

SKF Nitrile Rubber (NBR) Seal, 50 mm ID, 75 mm OD, 10 mm

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