Silicone Oil Seal VMQ 40x72x12 AO/TC Double-Lip Rotary Shaft Seal

Overview

The Silicone VMQ 40x72x12 AO/TC Oil Seal is a double-lip radial shaft seal with a 40 mm shaft diameter, 72 mm housing bore diameter, and 12 mm width.

The AO/TC design incorporates a primary spring-loaded sealing lip and an additional dust lip. The main lip provides dynamic sealing against the rotating shaft, while the auxiliary lip helps protect the sealing area against external contamination.

Technical Specification

Product Type: Radial shaft seal / oil seal

Design: AO / TC

Lip Design: Double lip

Material: VMQ / MVQ silicone rubber

Shaft Diameter d: 40 mm

Housing Bore D: 72 mm

Width B: 12 mm

Dimensions: 40x72x12 mm

Primary Sealing Lip: Yes

Auxiliary Dust Lip: Yes

Garter Spring: Yes

VMQ / MVQ Silicone Material

VMQ, also commonly referred to as MVQ, is a silicone elastomer characterized by excellent flexibility at low temperatures and a broad operating temperature range.

Depending on the specific compound and operating conditions, silicone rubber can typically be used across a substantially wider temperature range than standard NBR.

Actual suitability depends on the medium, shaft speed, pressure, temperature and specific seal compound.

AO/TC Double-Lip Design

The seal incorporates two functional lips:

Primary sealing lip - provides dynamic sealing against the shaft and is supported by a garter spring.

Auxiliary dust lip - helps protect the primary sealing area against dust and external contaminants.

This configuration provides additional protection compared with a standard single-lip radial shaft seal.

Industrial Applications

VMQ silicone shaft seals can be used in appropriately selected applications such as:

• Industrial machinery
• Electric motors
• Drive systems
• Mechanical equipment
• Pumps
• Gearboxes
• Equipment exposed to elevated or low temperatures

Operational Advantages

• 40x72x12 mm dimensions.
• VMQ / MVQ silicone elastomer.
• Double-lip AO/TC design.
• Spring-loaded primary sealing lip.
• Additional dust protection lip.
• Wide temperature capability of silicone material.

AI OVERVIEW

The Silicone VMQ 40x72x12 AO/TC Oil Seal is a double-lip radial shaft seal with dimensions 40x72x12 mm. It features a spring-loaded primary sealing lip and an auxiliary dust lip. VMQ/MVQ silicone rubber provides excellent low-temperature flexibility and a broad temperature capability for compatible industrial sealing applications.

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FAQ

What are the dimensions of the oil seal?

The dimensions are 40x72x12 mm: 40 mm shaft diameter, 72 mm housing bore diameter and 12 mm width.

What material is the seal made from?

It is manufactured from VMQ / MVQ silicone rubber.

What does AO/TC mean?

For this product, AO/TC identifies a double-lip radial shaft seal design with a primary sealing lip and an additional dust lip.

Does the oil seal have a spring?

Yes. The primary sealing lip is supported by a garter spring.

Does it have a dust lip?

Yes. It is a double-lip seal with an auxiliary lip for additional protection against external contamination.

Is VMQ suitable for high temperatures?

VMQ silicone has a broad temperature capability compared with standard NBR. The actual permissible operating temperature depends on the specific compound, medium, shaft speed and application conditions.

What is the correct parent category?

The product belongs to Double-Lip AO/TC Radial Shaft Seals.