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COO (Country of Origin):: CN

SKF Seal, 30mm Inside Diameter, 52mm Outside Diameter - 30X52X7 HMS5 RG

This seal is a rotary shaft sealing element designed to separate rotating and stationary components and retain oil or grease within assemblies. It features a rubber outer diameter and a single elastomeric sealing lip fitted with a garter spring to maintain radial contact, making it suitable for rotating shafts in industrial equipment.

Features & Benefits

• Nitrile rubber lip provides compatible resistance to oils and greases
• Garter spring maintains a consistent radial load during rotation
• Handles circumferential speed up to 5.77 m/s for moderate-speed shafts
• Operates between −40°C to 100°C for a broad temperature range
• Withstands short-term peaks to 120°C for transient thermal events

Applications

• Suitable for Seals in motors and pumps requiring oil retention
• Ideal for rotating shafts in automation equipment
• Used in gearboxes where grease containment is required
• Can be used for shaft interfaces in electrical actuators

What shaft sizes will this component accept?

It is engineered to fit a 30mm shaft diameter and locate in a 52mm housing bore with a 7mm axial width.

How does it cope with shaft misalignment or eccentricity?

The elastomer lip and flexible rubber outer diameter permit some misalignment accommodation while the spring preserves sealing contact.

What rotational speed limits should be observed?

Maximum recommended rotational speed is 3,660 r/min to avoid exceeding the stated circumferential speed limit.

Can it be used where slight pressure differentials exist?

It tolerates a nominal pressure differential of 0.03 N/mm across the seal interface.

Are any complementary items suggested for installation?

A thin protective sleeve, such as a Speedi-Sleeve, may be used where shaft wear or grooves are present to aid correct seating.

選取全部	屬性	值
	品牌	SKF
	Product Type	Seal
	Seal Type	Rotary Shaft Seal
	Thickness	7mm
	Seal Material	Nitrile Rubber (NBR)

	選取全部
	品牌 SKF
	Product Type Seal
	Seal Type Rotary Shaft Seal
	Thickness 7mm
	Seal Material Nitrile Rubber (NBR)

SKF Nitrile Rubber (NBR) Seal, 30 mm ID, 52 mm OD, 7 mm