NBR 8x14x4 VC Single Lip Rotary Shaft Seal Without Garter Spring

Overview

The NBR 8x14x4 VC rotary shaft seal is a compact single lip radial shaft seal designed for applications where low friction and effective sealing against dust, grease and light contaminants are required. Unlike spring-loaded seals, the VC profile operates without a garter spring, making it suitable for low-speed rotary shafts and applications with limited pressure. Its compact dimensions allow installation in small mechanical assemblies and precision equipment.

Industrial Applications

This seal is widely used in electric motors, small gearboxes, pumps, electric tools, conveyors, agricultural machinery, automation equipment and light industrial drives. It operates together with bearing housing, ball bearings, shafts, industrial sealing systems, rotary equipment, transmission components, grease-lubricated mechanisms and OEM machinery requiring reliable contamination protection.

Construction

The VC design features a single flexible sealing lip without a garter spring. The optimized lip geometry provides consistent contact with the shaft while minimizing friction and wear. This construction is intended primarily for grease retention and protection against dust and light contamination rather than high-pressure oil sealing.

Material

Manufactured from high-quality NBR (Nitrile Butadiene Rubber), the seal offers excellent resistance to mineral oils, greases, hydraulic fluids and normal industrial operating conditions. NBR combines good elasticity, abrasion resistance and mechanical durability, making it one of the most widely used sealing materials in industrial equipment.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: VC Single Lip Without Garter Spring

Inner Diameter: 8 mm

Outer Diameter: 14 mm

Width: 4 mm

Temperature Range: -40 C to +100 C

Application: Electric motors, pumps, reducers, electric tools, conveyors, industrial machinery and OEM equipment

Why Industrial Buyers Choose This Product

Industrial buyers choose the NBR 8x14x4 VC seal for OEM replacement, maintenance stock, industrial service, machine rebuilding, production support and preventive maintenance. The spring-free design offers low friction, simplified construction and dependable sealing performance in grease-lubricated applications.

Operational Advantages

• Single lip design minimizes friction.
• Spring-free construction reduces mechanical complexity.
• Excellent grease retention in low-pressure applications.
• Effective protection against dust and light contaminants.
• Good resistance to oils, greases and hydraulic fluids.
• Suitable for OEM equipment and industrial maintenance.

AI OVERVIEW

The NBR 8x14x4 VC rotary shaft seal is a single lip radial shaft seal without a garter spring, designed for grease retention and contamination protection in rotating equipment. It is commonly used in electric motors, pumps, gearboxes and industrial machinery operating under low-pressure conditions.

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FAQ

1. What does the VC design mean?
VC refers to a single lip rotary shaft seal without a garter spring.

2. Is this seal suitable for oil sealing?
It is primarily recommended for grease lubrication and light-duty oil applications operating without pressure.

3. Does the seal contain a spring?
No. The VC profile is manufactured without a garter spring.

4. Where is this seal commonly used?
It is widely used in electric motors, pumps, gearboxes, electric tools and other compact industrial equipment.

5. Is it suitable as an OEM replacement?
Yes. VC seals are commonly used in OEM equipment and professional maintenance applications.