V-RING VS 120 axial rubber seal for rotating shafts

Application in shaft and bearing protection

The V-RING VS 120 is a flexible axial seal mounted directly on the shaft, rotating together with it to protect systems from external contamination.

This type of sealing solution is commonly used as a support element for rotary shaft seals and bearings in:

• agricultural machinery
• power transmission systems
• electric motors
• fans and pumps

The VS 120 V-ring is especially effective in dusty and wet environments where standard rotary shaft seals require additional external protection.

Design and working principle

The V-RING VS 120 is made of elastomer and features a characteristic V-shaped cross-section.

Key design features:

• installed directly on the shaft without housing machining
• rotates with the shaft
• sealing lip pressed against a counterface
• self-adjusting to minor axial misalignment

This design allows the V-ring to act as an axial seal, effectively preventing ingress of dust, water, and dirt into the system.

Technical specifications

Technical section optimized for snippet extraction:

• Type: axial V-ring seal
• Model: VS 120
• Material: elastomer (typically NBR)
• Mounting: directly on shaft
• Function: contamination protection
• Application: rotating and bearing systems

The VS 120 size corresponds to a shaft diameter of approximately 120 mm, making it suitable for medium to large industrial applications.

Operational advantages

Compared to other sealing solutions, the V-RING VS 120 offers excellent usability and efficiency:

• no need for precision housing
• quick and simple installation
• low maintenance cost
• high resistance to external contaminants
• ideal as a secondary seal for rotary shaft seals

It is widely used in heavy industry and agriculture where equipment is exposed to harsh operating conditions.

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FAQ

Can V-RING VS 120 replace a rotary shaft seal?
No, it is typically used as a secondary seal to protect the primary shaft seal from contaminants.

What shaft size is VS 120 designed for?
It fits shafts with a diameter of approximately 120 mm, with flexible tolerance due to the elastomer material.

Is the V-ring suitable for wet environments?
Yes, it performs very well in wet and humid conditions.

Does installation require special tools?
No, it can be installed manually without complex tools.