Genuine SKF 406503 VR4 V-Ring Seal | Heavy-Duty Axial Shaft Seal 650-660mm

Genuine SKF 406503 VR4 V-Ring Seal

The SKF 406503 is a genuine SKF VR4 V-ring axial shaft seal designed for heavy-duty applications requiring protection against water and solid contaminants. The VR4 design features the largest cross section of any V-ring, permitting the largest axial displacements. For shaft diameters 650–660 mm. Stocked in Kelowna, BC and ships Canada-wide.

Specifications

• Part Number: 406503
• Brand: SKF
• Type: V-Ring Seal, VR4 Design
• Shaft Diameter Range: 650–660 mm (25.591–25.984 in)
• Seal Width: 65 mm (2.559 in)
• Lip Material: Nitrile rubber (NBR)
• Cross-Reference: National Seals 806503

Fitment

V-ring seals are used across heavy-duty rotating shaft applications in industrial equipment, gearboxes, and construction machinery where the primary seal requires protection from water and solid contaminants. Confirm shaft diameter (650–660 mm) before ordering.

Cross-References

• National Seals: 806503

FAQ

What is a VR4 V-ring seal?

The SKF VR4 is an all-rubber axial shaft seal. It rotates with the shaft and seals against a counterface perpendicular to the shaft. VR4 is the heavy-duty design with the largest cross section, ideal as a secondary seal in highly contaminated environments.

What shaft diameter does SKF 406503 fit?

The 406503 fits shafts from 650 mm (25.591 in) to 660 mm (25.984 in) in diameter.

Where is this stocked?

In stock in Kelowna, BC. Ships Canada-wide — contact us for industrial quantity inquiries.

What is the cross-reference for SKF 406503?

The National Seals equivalent is 806503.