SKF Nitrile Rubber (NBR) Seal, 50 mm ID, 68 mm OD, 8 mm

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€ 21,15

(excl. BTW)

€ 25,59

(incl. BTW)

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RS-stocknr.:
267-0313
Fabrikantnummer:
50X68X8 HMS5 RG
Fabrikant:
SKF
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Merk

SKF

Product Type

Seal

Seal Type

Rotary Shaft Seal

Thickness

8mm

Seal Material

Nitrile Rubber (NBR)

Land van herkomst:
CN

SKF Seal, 50mm Inside Diameter, 68mm Outside Diameter - 50X68X8 HMS5 RG


This radial shaft seal is designed to separate rotating and stationary components, retaining lubricants and excluding contaminants in mechanical systems. It features a rubber outer diameter and a single elastomer sealing lip with a garter spring to maintain contact, suitable for oil or grease service within common industrial assemblies.

Features & Benefits


• Garter spring ensures consistent radial load during operation
• Permissible circumferential speed 7.84 m/s supports moderate shaft speeds
• Operating range −40°C to 100°C allows varied thermal conditions
• Short-term temperature tolerance up to 120°C manages transient heat
• Accepts shaft misalignment to reduce leakage risk under slight offset

Applications


• Suitable for rotating shafts in automation gearboxes
• Ideal for motor and pump Seals in electrical equipment
• Used with bearings in mechanical transmission assemblies
• Can be used for oil seal replacement in industrial drives
• Suitable for rotating components in electronic cooling systems

What materials compose the sealing lip and outer surface?


The sealing lip is MADE from nitrile rubber (NBR) and the outside diameter is rubber reinforced with metal to aid installation in bores.

What rotational speeds can it withstand?


It is rated for a maximum rotational speed of 3000 r/min corresponding to a circumferential speed limit of 7.84 m/s.

How does it behave under pressure differentials?


The seal is designed for low pressure differentials, with a rated pressure differential of 0.03 N/mm across the lip.

Which measurement system and dimensions apply?


The product uses metric sizing with a 50mm shaft bore, 68mm housing outer diameter and an 8mm seal width.

Are there recommended associated components for installation?


A thin sleeve can be used on worn shafts

a compatible speedi-sleeve is listed for refurbishment tasks.

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