SKF/Global Rotary Shaft Seal 403903

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Rotary Shaft Seal - 403903 - SKF/Global
Lansdale, PA, USA
Rotary Shaft Seal
403903
Rotary Shaft Seal 403903
Whenever a shaft rotates, it needs a bearing arrangement for smooth and effective operation. Wherever there is a bearing, you will always find a seal helping it to reach its maximum service life and reliability. The most common types of seals used in bearing arrangements, are radial shaft seals for use in general industrial applications with shaft diameters up to 200 mm or 8 inch respectively. The large diameter seals, for shaft diameters above 200 mm, provide special features and are intended for use in heavy and large-size engineering applications, which require either very large or specially designed seals. In general terms, a radial shaft seal is a barrier with four main functions (images 1-4).

Whenever a shaft rotates, it needs a bearing arrangement for smooth and effective operation. Wherever there is a bearing, you will always find a seal helping it to reach its maximum service life and reliability. The most common types of seals used in bearing arrangements, are radial shaft seals for use in general industrial applications with shaft diameters up to 200 mm or 8 inch respectively. The large diameter seals, for shaft diameters above 200 mm, provide special features and are intended for use in heavy and large-size engineering applications, which require either very large or specially designed seals. In general terms, a radial shaft seal is a barrier with four main functions (images 1-4).

Supplier's Site
VR4 V-Ring Seal - 403903 - SKF/Global
Lansdale, PA, USA
VR4 V-Ring Seal
403903
VR4 V-Ring Seal 403903
V-ring seals are unique all-rubber seals for rotary shafts. They are made entirely of rubber material and comprise a body and a conical shaped sealing lip, which is joined to the body by means of a resilient "hinge".

V-ring seals are unique all-rubber seals for rotary shafts. They are made entirely of rubber material and comprise a body and a conical shaped sealing lip, which is joined to the body by means of a resilient "hinge".

Supplier's Site
VR4 V-Ring Seal - 403903 - SKF/North America
Lansdale, PA, USA
VR4 V-Ring Seal
403903
VR4 V-Ring Seal 403903
V-ring seals are unique all-rubber seals for rotary shafts. They are made entirely of rubber material and comprise a body and a conical shaped sealing lip, which is joined to the body by means of a resilient "hinge".

V-ring seals are unique all-rubber seals for rotary shafts. They are made entirely of rubber material and comprise a body and a conical shaped sealing lip, which is joined to the body by means of a resilient "hinge".

Supplier's Site
Rotary Shaft Seal - 403903 - SKF/North America
Lansdale, PA, USA
Rotary Shaft Seal
403903
Rotary Shaft Seal 403903
Whenever a shaft rotates, it needs a bearing arrangement for smooth and effective operation. Wherever there is a bearing, you will always find a seal helping it to reach its maximum service life and reliability. The most common types of seals used in bearing arrangements, are radial shaft seals for use in general industrial applications with shaft diameters up to 200 mm or 8 inch respectively. The large diameter seals, for shaft diameters above 200 mm, provide special features and are intended for use in heavy and large-size engineering applications, which require either very large or specially designed seals. In general terms, a radial shaft seal is a barrier with four main functions (images 1-4).

Whenever a shaft rotates, it needs a bearing arrangement for smooth and effective operation. Wherever there is a bearing, you will always find a seal helping it to reach its maximum service life and reliability. The most common types of seals used in bearing arrangements, are radial shaft seals for use in general industrial applications with shaft diameters up to 200 mm or 8 inch respectively. The large diameter seals, for shaft diameters above 200 mm, provide special features and are intended for use in heavy and large-size engineering applications, which require either very large or specially designed seals. In general terms, a radial shaft seal is a barrier with four main functions (images 1-4).

Supplier's Site

Technical Specifications

  SKF/Global SKF/Global SKF/North America SKF/North America
Product Category Oil Seals and Grease Seals Oil Seals and Grease Seals Oil Seals and Grease Seals Oil Seals and Grease Seals
Product Number 403903 403903 403903 403903
Product Name Rotary Shaft Seal VR4 V-Ring Seal VR4 V-Ring Seal Rotary Shaft Seal
Seal Type Single Lip Oil Seal Single Lip Oil Seal; V-ring Single Lip Oil Seal; V-ring Single Lip Oil Seal
Material (ASTM Abbreviation) Nitrile (NBR) Fluoroelastomer (FKM); Nitrile (NBR) Fluoroelastomer (FKM); Nitrile (NBR) Nitrile (NBR)
Design Units English English English English
Shaft O.D. or Seal I.D. 15.35 inch (390 mm) 15.35 to 15.55 inch (390 to 395 mm) 15.35 to 15.55 inch (390 to 395 mm) 15.35 inch (390 mm)
Housing I.D. or Seal O.D. 19.88 inch (505 mm) 16.5 inch (419 mm) 16.5 inch (419 mm) 19.88 inch (505 mm)
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